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Aluminum sodium sulfate

HCID 24939
NotesReactions
Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
Substructure searchFind similar structures

Basic information

CAS
10102-71-3
Standard SMILES
O=S(=O)([O-])[O-].O=S(=O)([O-])[O-].[Al+3].[Na+]
InChIKey
GJPYYNMJTJNYTO-UHFFFAOYSA-J
Molecular formula
AlNaO8S2
Average molar mass
242.1 g/mol
Monoisotopic mass
241.874767

Overview

Sodium aluminum sulphate appears as a colorless crystalline solid. Used in textiles, paper making, water purification, food processing.

Names & identifiers

Preferred name
Aluminum sodium sulfate
IUPAC
aluminum;sodium;disulfate
English name
SODIUM ALUMINUM SULFATE
Molecular formula
AlNaO8S2
Molecular weight
242.1

Names & synonyms

ALUMINUM SODIUM SULFATESoda alumAluminum sodium disulfateSodium aluminium sulfateSulfuric acid, aluminum sodium salt (2:1:1)Aluminum sodium sulphateUNII-0CM6A697VVAluminium sodium bis(sulphate)Aluminum sodium sulfate (AlNa(SO4)2)XUANMINGFEN0CM6A697VVHSDB 571
Show more names
SODIUM ALUMaluminiumsodiumsulfateSODIUMALUMINIUMSULPHATEALUMINIUMSODIUMSULPHATESODIUM ALUMINUM SULFATEaluminum,sodium,disulfatealuminiumsodiumbis(sulfate)aluminiumsodiumbis(sulphate)
EINECS 233-277-3Aluminum sodium sulfate, NaAl(SO4)2Sodium aluminum sulfate (NaAl(SO4)2)SODIUM ALUM ANHYDROUSALUMINIUM SODIUM SULFATEINS NO.521NATRII SULFAS EXSICCATUSSODIUM ALUMINUM SULPHATE

Database identifiers

CAS
10102-71-3
PubChem CID
24939

Properties

Computed structural properties

Topological polar surface area
177 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
8
Rotatable bonds
0
Heavy atoms
12
Formal charge
0
Complexity
62.2

Experimental & physicochemical properties

Chemical ClassesMetals -> Metals, Inorganic Compounds
DensityColorless crystals or white granules or powder. Density: 1.61; mp about 60 °C. Soluble in 1 part water. Practically insoluble in alcohol. /Dodecahydrate/
Solubility110 g anhydrous salt/100 cc of water at 15 °C
Physical Description · 2 items

Sodium aluminum sulphate appears as a colorless crystalline solid. Used in textiles, paper making, water purification, food processing.

Dodecahydrate: Colorless solid; Effloresces in air; [Hawley] White odorless powder; Soluble in water; [MSDSonline]

Stability/Shelf Life · 2 items

Low melting solids or colorless, volatile liquids. /Alkylaluminum halides/

Less sensitive than trialkylaminums to oxidation upon exposure to air. /Alkylaluminum halides/

Other Experimental PropertiesSaline, astringent taste; effloresces in air /Dodecahydrate/

Physicochemical properties

Melting point

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 3 items

This chemical does not meet GHS hazard criteria for 100% (2 of 2) of all reports.

Not Classified

Aggregated GHS information provided per 2 reports by companies from 1 notifications to the ECHA C&L Inventory.

Hazard information

Regulatory InformationSulfuric acid, aluminum sodium salt (2:1:1): Does not have an individual approval but may be used under an appropriate group standard
DOT LabelClass 9
Fire HazardsExcerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]:
Fire Potential · 3 items

Certain polymerization catalysts, such as aluminum alkyls, react & burn violently on contact with water. /Aluminum alkyls/

Aluminum alkyls are organic aluminum compounds that are highly reactive and dangerous because of spontaneous burning in air. /Aluminum alkyls/

Prophoric material in flammable solvent. Vapors are heavier than air & may travel to a source of ignition & flash back. /Aluminum alkyls/

Health HazardsExcerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]:
Hazards SummaryMay cause eye irritation; [HSDB] May cause irritation; [MSDSonline] The dodecahydrate is CAS # 7784-28-3 (sodium alum); See Aluminum potassium sulfate dodecahydrate. See Aluminum.
FDA Requirements · 3 items

Sodium aluminum sulfate is an indirect food additive for use only as a component of adhesives.

Aluminum sodium sulfate is generally recognized as safe when used in accordance with good manufacturing practice.

Chemistry & industry

Pharmacology

Metabolism/Metabolites · 1 item

Aluminum is poorly absorbed following either oral or inhalation exposure and is essentially not absorbed dermally. The bioavailability of aluminum is strongly influenced by the aluminum compound and the presence of dietary constituents which can complex with aluminum and enhance or inhibit its absorption. Aluminum binds to various ligands in the blood and distributes to every organ, with highest concentrations found in bone and lung tissues. In living organisms, aluminum is believed to exist in four different forms: as free ions, as low-molecular-weight complexes, as physically bound macromolecular complexes, and as covalently bound macromolecular complexes. Absorbed aluminum is excreted principally in the urine and, to a lesser extent, in the bile, while unabsorbed aluminum is excreted in the faeces. (L739)

Uses & manufacturing

Uses · 6 items

Used in textiles (mordant and waterproofing), ceramics, tanning, matches, and inks; Also used in paper sizing (precipitant), sugar refining, water purification, food additives, engraving, and veterinary medications (dusting powder on wounds, astringent, hemostatic agent, and oral treatment of laminitis in horses); [HSDB]

Pulp and Paper Processing [Category: Industry]

Ceramics making [Category: Hobbies]

Textiles (mordant, waterproofing); dry colors; ceramics; tanning; paper size precipitant; matches; inks; sugar refining; water purification; ... confectionery; baking powder; food additive; engraving. /Dodecahydrate/

/Firming agent/ ... added during the preparation of pickles and relishes.

MEDICATION

ImpuritiesPotassium sulfate, sodium silicate and alkali (soda ash)
Methods of Manufacturing · 1 item

... Produced by adding a clear solution of sodium sulfate to aluminum sulfate. After dilution to 30 deg Baume and subsequent heating, a sludge of potassium sulfate, sodium silicate, and caustic soda is added to improve the purity of the product. The mixture is pumped into a stirred vessel, where it is mixed for several hours. During this stage, the ratio of aluminum sulfate to sodium sulfate is adjusted to the stoichiometric amount. Afterwards, the melt is pumped into a evaporator and concentrated to such an extent that it solidifies to a hard cake on pouring into a cooling tank. This sodium alum cake is then heated and finally ground to the desired size (99% through a sieve of 100 mesh).

Related reactions

3 records
New reaction record
HRID 2035292 reaction equation
HRID 2035292As reactantuspto-grants-2013_11
HRID 2035293 reaction equation
HRID 2035293As reactantuspto-grants-2013_11
HRID 2035294 reaction equation
HRID 2035294As reactantuspto-grants-2013_11

Compound notes

Loading…

On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
UNII
0CM6A697VV
EC Number
233-277-3
60 ℃ · ~60℃ [MER06]
Density
1.61 · 1.610
refractive index
1.4388 · 1.4388
solubility
insoluble in ethanol
form
colorless crystals
color
colorless crystals, crystalline
Water Solubility
100 g · g anhydrous/100 g H2O: 37.4 (0°C), 39.7 (20°C), 43.8 (40°C) [LAN05]; insoluble alcohol [MER06]
Cosmetics Ingredients Functions
ANTIPERSPIRANTASTRINGENT
InChI
InChI=1S/Al.Na.2H2O4S/c;;2*1-5(2,3)4/h;;2*(H2,1,2,3,4)/q+3;+1;;/p-4
InChIKey
GJPYYNMJTJNYTO-UHFFFAOYSA-J
SMILES
S([O-])(=O)(=O)[O-].S([O-])([O-])(=O)=O.[Al+3].[Na+]
LogP
-1.031 · -1.031 (est)
CAS DataBase Reference
10102 · 10102-71-3
Indirect Additives used in Food Contact Substances
ALUMINUM SODIUM SULFATE, ANHYDROUS
FDA 21 CFR
175.105 · 175.105; 178.3120
FDA UNII
0 CM6A697VV · 0CM6A697VV
EPA Substance Registry System
Aluminum sodium disulfate (10102-71-3)
TSCA
TSCA listed
Hazardous Substances Data
10102 · 10102-71-3(Hazardous Substances Data)

Aluminum sodium sulfate used as a general purpose food additive in animal drugs, feeds, and related products is generally recognized as safe when used in accordance with good manufacturing or feeding practice.

Reactive GroupSalts, Acidic
Special Reports · 1 item

Anon; Information profiles on Potential Occupaional Hazards: Aluminum & Compounds, 2nd Draft (Revised); GRA & I Issue 21 NTIS/PB89-216238 (1989)> TD3: Information profiles are working papers used by the National Institute for Occupational Safety and Health to assist the Institute in establishing priorities. The proile summarizes data on organic and inorganic substances containing aluminum as the only metal. Each summary presents data on known and suspected health effects, the extent of worker exposure, physical and chemical properties and the industrial importance of the following aluminum compounds: aluminum metal, aluminum ammonium sulfate, aluminum chlorhydrate, aluminum chloride anhydrous, aluminum chloride hydrous, aluminum distearate, aluminum ethoxide, aluminum fluoride, aluminum hydride, aluminum hydroxide, aluminum nitrate, aluminum oxide, aluminum ortho-phosphate, aluminum potassium sulfate, aluminum silicate, aluminum sodium sulfate, aluminum sulfate, calcium aluminum silicate, diethylaluminum chloride, sodium aluminate, tri-n-butylaluminum, triethylaluminum, tri-n-hexylaluminum, triisobutylaluminum, tri-n-octylaluminum. Detailed literature searches are conducted to identify information to be used in the profile sumaries. Sponsored by National Inst. for Occupational Safety and Health, Rockville, MD.

OSHA StandardsVacated 1989 OSHA PEL TWA 2 mg/cu m is still enforced in some states. /Aluminum (soluble salts & alkyls, as Al)/
Reactivity ProfileSODIUM ALUMINUM SULPHATE gives acidic solutions in water.
Air and Water ReactionsSolid effloresces in air. Water soluble.

Safety & protection

Fire FightingExcerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]:
First AidExcerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]:
Fire Fighting Procedures · 1 item

Stop flow of liquid before extinguishing fire. Use dry chemical or carbon dioxide. DO NOT use water as straight stream directly on spilled material. Water fog can be used to control fire. DO NOT use halogenated extinguishing agents on spilled material. Violent reaction may result. Use water spray to keep fire-exposed containers cool. Fight fire from protected location or maximum possible distance. /Aluminum Alkyls/

Storage Conditions · 5 items

Extremely reactive with air, moisture and compounds containing active hydrogen and therefore must be kept under a blanket of inert gas. /Aluminum alkyls/

In general, materials ... toxic as stored or which can decompose into toxic components ... Should be stored in cool ... ventilated place, out of ... sun, away from ... fire hazard ... be periodically inspected and monitored. Incompatible materials should be isolated ...

All possibility of contact with water must be avoided. Solution containing not more than 20% of these compounds in non-reactive solvents, however, can be handled without risk of spontaneous ignition. /Aluminum alkyls/

Must be stored in an inert atmosphere; sensitive to oxidation and hydrolysis in air. /Trialkylaluminums/

Separate from air, water, halocarbons, alcohols. Store in a cool, dry, well-ventilated location. Outside or detached storage is preferred. Inside storage should be in a standard flammable liquid storage warehouse, room, or cabinet. /Aluminum alkyls/

Nonfire Spill ResponseExcerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]:
Disposal Methods · 2 items

Aluminum compounds are treated under anhydrous conditions to prevent violent reactions, recover solvent, and form Al compounds suitable for landfill by reaction with anhydrous hydrolysis agent, eg calcium hydroxide. /Aluminum compounds/

SRP: The most favorable course of action is to use an alternative chemical product with less inherent propensity for occupational exposure or environmental contamination. Recycle any unused portion of the material for its approved use or return it to the manufacturer or supplier. Ultimate disposal of the chemical must consider: the material's impact on air quality; potential migration in soil or water; effects on animal, aquatic, and plant life; and conformance with environmental and public health regulations.

Preventive Measures · 5 items

SRP: The scientific literature for the use of contact lenses in industry is conflicting. The benefit or detrimental effects of wearing contact lenses depend not only upon the substance, but also on factors including the form of the substance, characteristics and duration of the exposure, the uses of other eye protection equipment, and the hygiene of the lenses. However, there may be individual substances whose irritating or corrosive properties are such that the wearing of contact lenses would be harmful to the eye. In those specific cases, contact lenses should not be worn. In any event, the usual eye protection equipment should be worn even when contact lenses are in place.

Work clothing that becomes wet or significantly contaminated should be removed and replaced. /Aluminum (soluble salts and alkyls, as Al)/

Workers whose clothing may have become contaminated should change into uncontaminated clothing before leaving the work premises. /Aluminum (soluble salts and alkyls, as Al)/

The worker should immediately wash the skin when it becomes contaminated. /Aluminum (soluble salts and alkyls, as Al)/

SRP: Contaminated protective clothing should be segregated in such a manner so that there is no direct personal contact by personnel who handle, dispose, or clean the clothing. Quality assurance to ascertain the completeness of the cleaning procedures should be implemented before the decontaminated protective clothing is returned for reuse by the workers. Contaminated clothing should not be taken home at end of shift, but should remain at employee's place of work for cleaning.

Isolation and EvacuationExcerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]:
Minimum Risk LevelIntermediate Oral: 1.0 mg/kg/day (L134) Chronic Oral: 1.0 mg/kg/day (L134)
Threshold Limit Values (TLV) · 3 items

8 hr Time Weighted Avg (TWA): 1 mg/cu m, respirable fraction. /Aluminum metal and insoluable compounds/

Excursion Limit Recommendation: Excursions in worker exposure levels may exceed 3 times the TLV-TWA for no more than a total of 30 minutes during a work day, and under no circumstances should they exceed 5 times the TLV-TWA, provided that the TLV-TWA is not exceeded. /Aluminum metal and insouble compounds/

A4: Not classifiable as a human carcinogen. /Aluminum metal and insouble compound/

Personal Protective Equipment (PPE) · 4 items

Excerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]:

Wear appropriate personal protective clothing to prevent skin contact. /Aluminum (soluble salts and alkyls, as Al/

Wear appropriate eye protection to prevent eye contact. /Aluminum (soluble salts and alkyls, as Al)/

Protective clothing and a high standard of training in the necessary precautionary measures are essential for the handling of the materials. /Aluminum alkyls/

Toxicology

Treatment · 1 item

EYES: irrigate opened eyes for several minutes under running water. INGESTION: do not induce vomiting. Rinse mouth with water (never give anything by mouth to an unconscious person). Seek immediate medical advice. SKIN: should be treated immediately by rinsing the affected parts in cold running water for at least 15 minutes, followed by thorough washing with soap and water. If necessary, the person should shower and change contaminated clothing and shoes, and then must seek medical attention. INHALATION: supply fresh air. If required provide artificial respiration.

InteractionsAstringent gingival deflection agents such as alum, aluminum sulfate, & aluminum chloride exert no systemic effects. ... /Aluminum sulfate/
Health Effects · 1 item

Aluminum targets the nervous system and causes decreased nervous system performance and is associated with altered function of the blood-brain barrier. The accumulation of aluminum in the body may cause bone or brain diseases. High levels of aluminum have been linked to Alzheimer's disease. A small percentage of people are allergic to aluminium and experience contact dermatitis, digestive disorders, vomiting or other symptoms upon contact or ingestion of products containing aluminium. (L739, L740)

Exposure RoutesOral (L739) ; inhalation (L739)
Toxicity Summary · 1 item

The main target organs of aluminum are the central nervous system and bone. Aluminum binds with dietary phosphorus and impairs gastrointestinal absorption of phosphorus. The decreased phosphate body burden results in osteomalacia (softening of the bones due to defective bone mineralization) and rickets. Aluminum's neurotoxicity is believed to involve several mechanisms. Changes in cytoskeletal protein functions as a results of altered phosphorylation, proteolysis, transport, and synthesis are believed to be one cause. Aluminum may induce neurobehavioral effects by affecting permeability of the blood-brain barrier, cholinergic activity, signal transduction pathways, lipid peroxidation, and impair neuronal glutamate nitric oxide-cyclic GMP pathway, as well as interfere with metabolism of essential trace elements because of similar coordination chemistries and consequent competitive interactions. It has been suggested that aluminum's interaction with estrogen receptors increases the expression of estrogen-related genes and thereby contributes to the progression of breast cancer (A235), but studies have not been able to establish a clear link between aluminum and increased risk of breast cancer (A15468). Certain aluminum salts induce immune responses by activating inflammasomes. (L739, A235, A236)

Signs and Symptoms · 1 item

Inhalating aluminum dust causes coughing and abnormal chest X-rays. A small percentage of people are allergic to aluminium and experience contact dermatitis, digestive disorders, vomiting or other symptoms upon contact or ingestion of products containing aluminium. (L739, L740)

Natural Pollution SourcesOccurs naturally as the mineral mendozite
Carcinogen Classification · 1 item

Not listed by IARC. IARC classified aluminum production as carcinogenic to humans (Group 1), but did not implicate aluminum itself as a human carcinogen. (L135) A link between use of aluminum-containing antiperspirants and increased risk of breast cancer has been proposed (A235), but studies have not been able to establish a clear link (A15468).

Non-Human Toxicity Excerpts/LABORATORY ANIMALS: Acute Exposure/ ...For anhydrous sodium aluminum lethal oral dose for rabbit is about 2 g/kg.
Evidence for CarcinogenicityA4: Not classifiable as a human carcinogen. /Aluminum metal and insouble compound/
Probable Routes of Human Exposure · 2 items

WORKMEN ... CONTAMINATED WITH ALUM /THROUGH EYES/ ... . /ALUM/

Production of aluminum sulfate and aluminum fluoride is associated with exposure to several irritant substances. Such production has been connected with reversible bronchial obstruction or asthma. In an aluminum plant in Sweden, 6 cases of asthma occurred in 1975, and 7 in 1976. The number of exposed workers was 35-40. The levels of aluminum fluoride (personal sampling) were measured during these two years, and the mean concentrations were 3-6 mg/cu m. In 1977, improvements were made at this plant thereby reducing the mean levels of aluminum fluoride to 0.4-1.0 mg/cu m. During the years 1978-1980, only two cases of asthma occurred. /Aluminum sulfate/

Regulatory information

FDA Requirements · 3 items

Sodium aluminum sulfate is an indirect food additive for use only as a component of adhesives.

Aluminum sodium sulfate is generally recognized as safe when used in accordance with good manufacturing practice.

Aluminum sodium sulfate used as a general purpose food additive in animal drugs, feeds, and related products is generally recognized as safe when used in accordance with good manufacturing or feeding practice.

State Drinking Water Standards(CA) CALIFORNIA 1000 ug/l /Aluminum/
State Drinking Water Guidelines · 3 items

(AZ) ARIZONA 73 ug/l /Aluminum/

(CA) CALIFORNIA 200 ug/l /Aluminum/

(ME) MAINE 1430 ug/l /Aluminum/

Federal Drinking Water GuidelinesEPA 50-200 ug/l /Aluminum/

Safety data

tsca
TSCA listed
Hazardous Substances Data
10102-71-3(Hazardous Substances Data)
Formulations/PreparationsGrades: pure crystals; Technical; CP; FCC /food chemicals codex/. /Dodecahydrate/
Use ClassificationFood Additives -> ACIDITY_REGULATOR; FIRMING_AGENT -> JECFA Functional Classes
General Manufacturing Information · 2 items

Sulfuric acid, aluminum sodium salt (2:1:1): ACTIVE

... Used in pools, cooling water, etc.

Applications · 3 items

UsesSodium Aluminum Sulfate is a leavening agent that releases the majority of the gas during baking, and is not used alone but in com- bination with a faster-acting leavening agent such as monocalcium phosphate. this results in a double-acting baking powder. it is almost nonreactive until heat is applied. it is used in baked goods.

UsesAluminum Sodium Sulfate is a general purpose food additive that functions as a buffer, neutralizing agent, and firming agent. It is anhydrous and slowly soluble in water. The dodecahydrate form is readily soluble in water. It is also termed soda alum.

General DescriptionA colorless crystalline solid. Used in textiles, paper making, water purification, food processing.

Upstream & downstream products

Upstream raw materials

Aluminum sulfate

Suppliers53 total

湖北永阔科技有限公司027-59223108 15972152991 · [email protected]
Shandong chuangyingchemical Co., Ltd.18853181302 · [email protected]
湖北万得化工有限公司15377098680 15377098680 · [email protected]
Hebei Chuanghai Biotechnology Co., Ltd+86-17732866630 · [email protected]
山东隆汇化工有限公司531-88613858 15562516958 · [email protected]
武汉吉业升化工有限公司027-83360216 18040558719 · [email protected]
Hebei Yanxi Chemical Co., Ltd.+86-17531190177 · [email protected]
武汉吉业升化工有限公司15387013945 · [email protected]
武汉市恒久化工有限公司17317534732 17671758929 · [email protected]
武汉吉业升化工有限公司13545274181 15307147230 · [email protected]
广东云星生物技术有限公司0751-18902340975/189023400307 18902340307 · [email protected]
广东方信生物科技有限公司0751-2838688 13376594225 · [email protected]
湖北广奥生物科技有限公司027-02702759223056 18162699093 · [email protected]
河北茹麒科技有限公司176-03256889 17603256889 · [email protected]
湖北成海化工有限公司027-59220433 18327245847 · [email protected]
武汉吉业升化工有限公司027-13545242311 13545242311 · [email protected]
斯百全化学(上海)有限公司021-021-021-67601398-809-809-809 15221380277 · [email protected]
武汉吉业升化工有限公司15927657268 · [email protected]
湖北巨胜科技有限公司027-59599241 18871490274 · [email protected]
天津荣燊化工有限公司18317763565; 18317763565 · [email protected]
Hebei Runbin Biotechnology Co. LTD13180553332 · [email protected]
广东翁江化学试剂有限公司0751-2815987 13927875076 · [email protected]
HANGZHOU LEAP CHEM CO., LTD.+86-571-87711850 +86-15355479329 · [email protected]
武汉吉业升化工有限公司13343438917 · [email protected]
武汉吉业升化工有限公司15927120776 · [email protected]
武汉吉业升化工有限公司15307169873 · [email protected]
启源(广东)医药化工有限公司18026564465 · [email protected]
陕西缔都医药化工有限公司+86-29-81139210 +86-17392587031 · [email protected]
湖北齐飞医药化工有限公司027-59322506 18071128681 · [email protected]
河北贞佳新材料有限公司0319-5925599 13315915972 · [email protected]
BOC Sciences[email protected]
陕西缔都医药化工有限公司029-81154043 17391733319 · [email protected]
河南中梵实业发展有限公司+86-18906033525 · [email protected]
杭州洁汉化工有限公司+86-571-86217390; +8618058761490 · [email protected]
Jiangsu Kolod Food Ingredients Co.,Ltd.+86-18805133257; +86-18652417778 · [email protected]
海蔚化学86-21-51086038 · [email protected]
湖北摆渡化学有限公司027-59106051 13627137652 · [email protected]
爆牛贸易重庆有限公司+86-023-6139-8061 +86-86-13650506873 · [email protected]
湖北信康医药化工有限公司027-027-59308705 18871579363 · [email protected]
武汉吉业升化工有限公司15927657172 · [email protected]
湖北拓邦化工有限公司027-59106185 13986192185 · [email protected]
江阴市贝壳化学有限公司0510-15312220685 15312220685 · [email protected]
BOC Sciences+1-631-485-4226 · [email protected]
湖北恒捷化工有限公司15623078521; 15623078521 · [email protected]
Hebei Fengmu Trading Co., Ltd.+86-15632192160 · [email protected]
Hangzhou Zelixir Biotech Co., Ltd.[email protected]
DAYANG CHEM (HANGZHOU) CO.,LTD+86-88938639 +86-17705817739 · [email protected]
天门恒昌化工有限公司027-59322316 15172518801 · [email protected]
广东九号化学试剂有限公司13380726545 · [email protected]
武汉吉业升化工有限公司027-1537705-6467 15377056467 · [email protected]