Cobalt(II) acetate tetrahydrate
Cobalt diacetate · COBALTOUS ACETATE TETRAHYDRATE · ACETIC ACID COBALT (II) SALT TETRAHYDRATE · COBALT ACETAT · CobaltAcetateAr · octankobaltnaty · ANTI-MOUSE LAMP-1 · ANTI-MOUSE CD107A

Identifiers & Physical Properties
| CAS No. | 6147-53-1 |
|---|---|
| Molecular formula | C4H6CoO4.4H2O |
| Average molar mass | 249.08 g/mol |
| Monoisotopic mass | 249.00206241 g/mol |
| SMILES | CC(=O)[O-].CC(=O)[O-].O.O.O.O.[Co+2] |
| InChIKey | ZBYYWKJVSFHYJL-UHFFFAOYSA-L |
| PubChem CID | 61372 |
| EC No. | 612-153-6 |
| DTXSID | DTXSID80210423 |
Chemical & Physical Properties
| Topological polar surface area | 84.3 |
|---|---|
| Hydrogen bond donors | 4 |
| Hydrogen bond acceptors | 8 |
| Rotatable bonds | 0 |
| Heavy atoms | 13 |
| Formal charge | 0 |
| Complexity | 25.5 |
| Chemical classes | Metals -> Organic Acids, Metal Salts |
| Density | 1.7 g/cm³1,71 g/cm3 |
| Solubility | Solubility in water, g/100ml at 25 °C: (very good)348g/l380 g/L (20 ºC) |
| Melting point | 140 °C |
| Physical Description | Dry PowderIntense red solid[Merck Index] Violet crystals, soluble in water[MSDSonline] Delliquescent[Ullmann]RED CRYSTALS. |
| Bulk density | 850kg/m3 |
| Refractive index | 1.542 |
| Storage conditions | Store at +5°C to +30°C. |
| Physical state | Solid |
| Color | Red |
| Specific gravity | 1.71 |
| Odor | Acetic acid odour |
| PH Range | 6.8 |
| pH | 7.2 (50g/l, H2O, 20℃) |
| Sensitivity | Hygroscopic |
| Merck | 14,2433 |
| BRN | 3731397 |
| Stability | Stable. Avoid moisture, heat. |
| InChI | 1S/2C2H4O2.Co.4H2O/c2*1-2(3)4/h2*1H3,(H,3,4)4*1H2/q+2/p-2 |
| InChIKey | ZBYYWKJVSFHYJL-UHFFFAOYSA-L |
| SMILES | [H]O[H].[H]O[H].[H]O[H].[H]O[H].CC(=O)O[Co]OC(C)=O |
| CAS DataBase Reference | 6147-53-1(CAS DataBase Reference) |
| FDA UNII | 7648Z91O1N |
| EPA Substance Registry System | Cobalt acetate tetrahydrate (6147-53-1) |
| UNSPSC Code | 12352300 |
| NACRES | NB.24 |
| GHS pictogram | GHS07,GHS08,GHS09 |
| Signal word | Danger |
| GHS hazard statements | H302-H317-H319-H334-H341-H350i-H360F-H410 |
| GHS precautionary statements | P273-P280-P301+P312-P302+P352-P305+P351+P338-P308+P313 |
| Hazard symbols | Xn,N,T |
| Risk statements (R) | 22-38-40-43-53-50/53-42/43-36/37/38-20/21/22-68-60-49 |
| Safety statements (S) | 36/37-61-45-29-24-22-37/39-36/37/39-26-60-53 |
| UN transport number | 3077 |
| Water hazard class (WGK) | 2 |
| RTECS number | AG3325000 |
| TSCA inventory status | No |
| Hazard class | 9Acute Tox. 4 OralAquatic Acute 1Aquatic Chronic 1Carc. 1B InhalationEye Irrit. 2Muta. 2Repr. 1BResp. Sens. 1Skin Sens. 1 |
| Packing group | III |
| Customs code | 29152300 |
| Storage class | 6.1C - Combustible acute toxic Cat.3toxic compounds or compounds which causing chronic effects |
Safety & Regulations
| GHS classification | DangerH317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]P203, P233, P260, P261, P271, P272, P273, P280, P284, P302+P352, P304+P340, P318, P321, P333+P317, P342+P316, P362+P364, P391, P403, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 2209 reports by companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.H350: May cause cancer [Danger Carcinogenicity] |
|---|---|
| Regulatory information | Chemical: Acetic acid, cobalt(2+) salt, tetrahydrateRegulation (EC) No 1831/2003 (amended)Acetic acid, cobalt(2+) salt, hydrate (2:1:2) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Acetic acid, cobalt(2+) salt, hydrate (2:1:2) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Cobalt (II) acetate tetrahydrate: Does not have an individual approval but may be used under an appropriate group standard |
| Other safety information | IMAP assessments - Soluble cobalt (II) and salts: Human health tier II assessment |
| Fire hazards | Not combustible. Gives off irritating or toxic fumes (or gases) in a fire. |
| Hazards summary | A skin, eye, and respiratory tract irritantMay cause skin sensitization[ICSC] Harmful if swallowedMay cause skin and respiratory tract sensitization[MSDSonline] See Cobalt. |
| Chemical Dangers | Decomposes on heating. This produces irritating fumes. Reacts with strong oxidants. This generates fire and explosion hazard. |
| Packaging and Labelling | Do not transport with food and feedstuffs. |
| Hazard Classes and Categories | Skin Sens. 1 (100%)Acute toxicity - category 4Acute toxicity (Oral) - Category 4Carcinogenicity - Category 1B |
| Fire fighting | In case of fire in the surroundings, use appropriate extinguishing media. |
| First aid measures | Fresh air, rest. Refer for medical attention.Remove contaminated clothes. Rinse skin with plenty of water or shower. Seek medical attention if you feel unwell.First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.Rinse mouth. Give one or two glasses of water to drink. Refer for medical attention . |
| Safe storage | Separated from strong oxidants. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing. |
| Exposure control and personal protection | Biological Exposure Indices (BEI) [ACGIH] - Cobalt in urine = 15 ug/Lsample at end of shift at end of workweek |
| Spillage disposal | Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Then store and dispose of according to local regulations. |
| Eye Prevention | Wear safety goggles or eye protection in combination with breathing protection. |
| Inhalation Risk | A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered. |
| Skin Prevention | Protective gloves. Protective clothing. |
| Exposure Prevention | PREVENT DISPERSION OF DUST! AVOID ALL CONTACT! |
| Ingestion Prevention | Do not eat, drink, or smoke during work. Wash hands before eating. |
| Inhalation Prevention | Use local exhaust or breathing protection. |
| Threshold Limit Values (TLV) | 0.02 [mg/m3], as Co |
| Adverse effects | Skin Sensitizer - An agent that can induce an allergic reaction in the skin. |
| Exposure routes | The substance can be absorbed into the body by inhalation and by ingestion. |
| Signs and Symptoms | Cough. Shortness of breath. Sore throat.Redness.Redness. Pain.Abdominal pain. Nausea. Vomiting. |
| ICSC Environmental Data | Bioaccumulation of this chemical may occur in seafood. |
| Water hazard class (WGK) | 2 |
| TSCA inventory status | No |
| RTECS number | AG3325000 |
| UN transport number | 3077 |
| Customs code | 29152300 |
| Risk statements (R) | 22-38-40-43-53-50/53-42/43-36/37/38-20/21/22-68-60-49 |
| Signal word | Danger |
| GHS pictogram | GHS07,GHS08,GHS09 |
| Hazard symbols | Xn,N,T |
| Safety statements (S) | 36/37-61-45-29-24-22-37/39-36/37/39-26-60-53 |
| Hazard class | 9Acute Tox. 4 OralAquatic Acute 1Aquatic Chronic 1Carc. 1B InhalationEye Irrit. 2Muta. 2Repr. 1BResp. Sens. 1Skin Sens. 1 |
| Storage class | 6.1C - Combustible acute toxic Cat.3toxic compounds or compounds which causing chronic effects |
| Packing group | III |
| GHS hazard statements | H302-H317-H319-H334-H341-H350i-H360F-H410 |
| GHS precautionary statements | P273-P280-P301+P312-P302+P352-P305+P351+P338-P308+P313 |
Applications & Uses
Uses
Cobalt(II) acetate tetrahydrate is used as an industrial catalyst to harden paints and varnishes, an active catalyst for oxidation and esterification reactions. It is also used to prepare metal complexes having unusual coordination geometry.
Uses
Cobalt(II) acetate tetrahydrate may be used in the preparation of [Co3(OH)2(H2O)2(aptet)4] (aptet = 4-aminophenyltetrazolate) and new tetradentate cobalt(II)-Schiff base complex.
Uses
Cobalt(II) acetate tetrahydrate is used to prepare complexes for examination of the properties of metals with unusual coordination geometries. used as a catalyst for oxidation and esterification. used as an industrial catalyst to harden paints and varnishes, an active catalyst for oxidation and esterification reactions.
General Description
Cobalt(II) acetate tetrahydrate has an octahedral structure, the central cobalt orbit is coordinated by four water molecules and two acetate ligands. Cobalt(II) acetate tetrahydrate becomes anhydrous by 140oC.