Basic information
- CAS
141-62-8- Standard SMILES
C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C- InChIKey
YFCGDEUVHLPRCZ-UHFFFAOYSA-N- Molecular formula
- C10H30O3Si4
- Average molar mass
- 310.68 g/mol
- Monoisotopic mass
- 310.12720095
Names & identifiers
- Preferred name
- Decamethyltetrasiloxane
- IUPAC
- [dimethyl(trimethylsilyloxy)silyl]oxy-dimethyl-trimethylsilyloxysilane
- English name
- Decamethyltetrasiloxane
- Molecular formula
- C10H30O3Si4
- Molecular weight
- 310.69
Names & synonyms
DECAMETHYLTETRASILOXANE141-62-81,1,1,3,3,5,5,7,7,7-DecamethyltetrasiloxaneTetrasiloxane, decamethyl-Tetrasiloxane, 1,1,1,3,3,5,5,7,7,7-decamethyl-C23WAL597TEINECS 205-491-7TETRASILOXANE, DECAMETHYLDTXSID2044551EC 205-491-7DECAMETHYLTETRASILOXANE [MI]RefChem:585342
Show more names
D3780CD3780KF 96L1.5SH 200-1.5CS'PMX-200 1.5 CSDC 200 Fluid 1.5DimethylcyclosilaneDECAMETHYLETRASILOXANE
DTXCID00245511,1,1,3,3,5,5,7,7,7DecamethyltetrasiloxaneTetrasiloxane, 1,1,1,3,3,5,5,7,7,7decamethyl205-491-7decamethyl tetrasiloxaneSimethicone Impurity 7MFCD00008263[(CH3)3SiOSi(CH3)2]2O
Database identifiers
- CAS
141-62-8- PubChem CID
- 8852
- DTXSID
DTXSID2044551- UNII
- C23WAL597T
- EC Number
- 205-491-7
- Nikkaji
- J129.388E
Properties
Computed structural properties
- Topological polar surface area
- 27.7 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 3
- Rotatable bonds
- 6
- Heavy atoms
- 17
- Formal charge
- 0
- Complexity
- 227
Experimental & physicochemical properties
Chemical ClassesMetals -> Metalloid Compounds (Silicon)
CosmeticsCosmetics ingredient -> Conditioning/Emollient; Opacifying Agent; Solvent
SpringerMaterials PropertiesBoiling point
Vapor Pressure0.37 [mmHg]
Physical Description
Liquid
Liquid; [Merck Index] Clear colorless liquid; [Acros Organics MSDS]
Physicochemical properties
- Melting point
- -68 °C · -68 °C (lit.)
- Boiling point
- 194 °C · 194 °C (lit.)
- Density
- 0.854 g/mL · 0.854 g/mL at 25 °C (lit.)
- vapor density
- 1 · >1 (vs air)
- vapor pressure
- 73 Pa · 73Pa at 25℃
- refractive index
- 20 · n20/D 1.389(lit.)
- Flash point
- 144 °F · 144 °F
- storage temp.
- Sealed in dry,Room Temperature
- solubility
- 0.1 mg/l · <0.1mg/l
- form
- liquid
- Specific Gravity
- 0.854 · 0.854
- color
- Colourless to Pale Yellow
- Viscosity
- 1.3 mm2/s · 1.3mm2/s
- Water Solubility
- 6.74 μg/L · 6.74μg/L at 23℃
- Hydrolytic Sensitivity
- 1 · 1: no significant reaction with aqueous systems
- Merck
- 14 · 14,2850
- BRN
- 1776881 · 1776881
- Henry's Law Constant
- 1.4 · 1.4×10-7 mol/(m3Pa) at 25℃, Xu and Kropscott (2014)
- Dielectric constant
- 2.4 · 2.4(20℃)
- Stability
- Moisture Sensitive
- Cosmetics Ingredients Functions
- ANTIFOAMING
- InChI
- 1S/C10H30O3Si4/c1-14(2,3)11-16(7,8)13-17(9,10)12-15(4,5)6/h1-10H3
- InChIKey
- YFCGDEUVHLPRCZ-UHFFFAOYSA-N
- SMILES
- C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C
- LogP
- 8.21 at · 8.21 at 25.1℃
- Substances of Very High Concern (SVHC) Candidate List
- decamethyltetrasiloxane (141-62-8)
- CAS DataBase Reference
- 141 · 141-62-8(CAS DataBase Reference)
- EWG's Food Scores
- 2 · 2
- FDA UNII
- 23 WAL597T · C23WAL597T
- NIST Chemistry Reference
- Tetrasiloxane, decamethyl-(141-62-8)
- EPA Substance Registry System
- Tetrasiloxane, decamethyl- (141-62-8)
- UNSPSC Code
- 12352103 · 12352103
- NACRES
- 22 · NA.22
- Symbol(GHS)
- 9 · GHS09
- Signal word
- Warning
- Hazard statements
- 410 · H410
- Precautionary statements
- 273 · P273-P391-P501
- PPE
- Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
- Hazard Codes
- Xi
- Risk Statements
- 36 · 36/37/38
- Safety Statements
- 23 · 23-24/25-37/39-26
- WGK Germany
- 3 · 3
- TSCA
- TSCA listed
- HS Code
- 29319090 · 29319090
- Storage Class
- 10 · 10 - Combustible liquids
- Hazard Classifications
- 1 Aquatic · Aquatic Acute 1Aquatic Chronic 1
- REACH Registrations
- Active
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
This chemical does not meet GHS hazard criteria for 24.1% (84 of 348) of reports.
Warning
H226 (38.8%): Flammable liquid and vapor [Warning Flammable liquids]
P210, P233, P240, P241, P242, P243, P273, P280, P303+P361+P353, P370+P378, P403+P235, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 348 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Regulatory Information
Chemical: Tetrasiloxane, decamethyl-
Hazard Traits - Bioaccumulation; Environmental Persistence
Tetrasiloxane, 1,1,1,3,3,5,5,7,7,7-decamethyl- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Tetrasiloxane, 1,1,1,3,3,5,5,7,7,7-decamethyl- 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)
REACH registered substance: Decamethyltetrasiloxane (EC: 205-491-7)
Substance: decamethyltetrasiloxane
Tetrasiloxane, decamethyl-: Does not have an individual approval but may be used under an appropriate group standard
Other Safety InformationIMAP assessments - Tetrasiloxane, decamethyl-: Human health tier II assessment
Hazards SummaryAn irritant; [Acros Organics MSDS] See Octamethyltrisiloxane.
Hazard Classes and CategoriesFlam. Liq. 3 (38.8%)
Safety data
- PPE
- Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
- wgk
- 3
- tsca
- TSCA listed
- hs_code
- 29319090
- risk_code
- 36/37/38
- Signal word
- Warning
- Symbol(GHS)
- GHS09
- hazard_code
- Xi
- safety_code
- 23-24/25-37/39-26
- Storage Class
- 10 - Combustible liquids
- Hazard statements
- H410
- REACH Registrations
- Active
- Hazard Classifications
- Aquatic Acute 1Aquatic Chronic 1
- Precautionary statements
- P273-P391-P501
Chemistry & industry
Uses & manufacturing
UsesUsed to make extreme temperature silicone oils and as a foam suppressant in lubricating oils; [Merck Index]
U.S. Production2023: 1,000,000 - <2,500,000 lb
Consumer UsesDiluent
Industry UsesOther
Household Products
Cosmetics product ingredient: Decamethyltetrasiloxane (Tetrasiloxane)
Information on 13 consumer products that contain Decamethyltetrasiloxane in the following categories is provided:
General Manufacturing Information
All Other Chemical Product and Preparation Manufacturing
Tetrasiloxane, 1,1,1,3,3,5,5,7,7,7-decamethyl-: ACTIVE
Applications
UsesA non-cyclic silicone oligomer. Used in the methylation of mercury(II) salts. Study shows that it transformed by a specific microflora and in the natural environment degraded by mechanisms similar to other organic compounds.
UsesDecamethyltetrasiloxane can be used as a basis for silicone oils or fluids designed to withstand extremes of temp; as a foam suppressant in petroleum lubricating oil.
Upstream & downstream products
Upstream raw materials
Downstream products
Suppliers100 total
梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
湖南韵邦生物科技股份有限公司0731-88532326 13319508186 · [email protected]
湖北科孚乐材料科技有限公司027-84459282 13720265353 · [email protected]
湖北万得化工有限公司15377098680 15377098680 · [email protected]
艾吉析科技（上海）有限公司17717235263 · [email protected]
毕佳索（上海毕得医药科技股份有限公司）400-6005915 · [email protected]
上海麦克林生化科技股份有限公司021-50706066 15221275939 · [email protected]
湖北科麦迪化工有限公司18372743325 · [email protected]
湖北成丰化工有限公司13125175253 · [email protected]
上海炎泽化工有限公司15345144255 19975051755 · [email protected]
上海比阳实业有限公司+86-21-52699951; +8613917686115 · [email protected]
河南多贝化工有限公司0370-6999054 17550096163 · [email protected]
温州共赢化学有限公司+86-0086-577-64498589 +86-15355981851 · [email protected]
上海毕得医药科技股份有限公司400-1647117 13681763483 · [email protected]
Dayang Chem (Hangzhou) Co.,Ltd.+86-0571-88938639 17705817739 · [email protected]
郑州鸿晟医药科技有限公司0371-55695890 15637198702 · [email protected]
Syntechem Co.,Ltd[email protected]
上海迈瑞尔生化科技有限公司4006356688 18621169109 · [email protected]
上海颖心实验室设备有限公司021-59178156 17002132182 · [email protected]
河南英田生物科技有限公司0370-4053511; 18339993703 · [email protected]
梯希爱（上海）化工贸易有限公司021-61109150 · [email protected]
上海瀚鸿科技股份有限公司021-54306202 13764082696 · [email protected]
上海比阳实业有限公司+86-15021878111 · [email protected]
石家庄建鑫生物科技有限公司0311-1906231-3169 19062313169 · [email protected]
上海毕楷科技有限公司18516304666 · [email protected]
山东西亚化学有限公司13355009207 13355009207 · [email protected]
玛雅试剂+86 (573) 82222445 (0)18006601000 452520369 · [email protected]
湖南汇百侍生物科技有限公司0731-85526065 13308475853 · [email protected]
上海祈铭新材料有限公司021-36010885 13661599081;13701898138 · [email protected]
江苏艾康生物医药研发有限公司025-66113011 13913916777 · [email protected]
TCI AMERICA800-4238616 · [email protected]
TOKYO CHEMICAL INDUSTRY CO., LTD.03-36680489 · [email protected]
TCI Europe320-37350700 · [email protected]
深圳振强药物研发有限公司0755-66853366 13670046396 · [email protected]
上海楚青新材料科技有限公司021-61530618; 18721685818 · [email protected]
深圳菲斯生物科技有限公司0755-83725350 13380397412 · [email protected]
上海探圭新材料科技有限公司18516111942 · [email protected]
上海石洋化工有限公司021-56795766 · [email protected]
成都零六生物科技有限公司400-1166-196 13458535857 · [email protected]
凯试（上海）科技有限公司021-50135380 · [email protected]
湖北巨胜科技有限公司027-59599241 18871490274 · [email protected]
Sigma-Aldrich西格玛奥德里奇(上海)贸易有限公司021-61415566 800-8193336 · [email protected]
铜陵恒优生物科技有限公司021-50426030 13856289449;13124863828 · [email protected]
Shanghai Enchem Industry Co., Ltd.15021317485
壮铭新材料科技江苏有限公司17312398916 051386936896 15216715905 · [email protected]
TargetMol中国（陶术生物）021-021-33632979 15002134094 · [email protected]
上海陶术生物科技股份有限公司+1-781-999-5354; +1-00000000000 · [email protected]
九鼎化学（上海）科技有限公司4009209199 · [email protected]
Henan Alfa Chemical Co., Ltd+8618339805032 · [email protected]
湖北玖丰隆化工有限公司13277936479 · [email protected]
Related reactions
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Compound notes
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