Dimethylpolysiloxane (CAS 107-51-7) — formula C8H24O2Si3, molecular weight 236.53; category chemical.
| CAS Number | 107-51-7 |
|---|---|
| Molecular Formula | C8H24O2Si3 |
| Molecular Weight | 236.53 |
| Applications | Uses: Used as a base for extreme temperature silicone oils, fluids and as a foam suppressant in petroleum lubricating oils, [Merck Index] Used mainly to make polydimethylsiloxane (PDMS) polymers, oligomers, and mixtures, Also used to make basic chemicals, paints, coatings, adhesives, soaps, cleaning compounds, toiletries, plastics, semiconductors, and other electronic components, and in building construction, lubricants, diluents, solvents, and cosmetics, [Government of Canada - Chemicals Management Plan], Semiconductor Manufacturing [Category: Industry], Use Classification: Cosmetics -> Skin conditioning, Industry Uses: Intermediate, Diluent, Heat transferring agent, Other, Consumer Uses: Diluent, Household Products: Cosmetics product ingredient: Trisiloxane, octamethyl- (Octamethyltrisiloxane, Trisiloxane), Reason for Listing: Listed as Persistent, Bioaccumulative, and Inherently Toxic to the environment by the Canadian Environmental Protection Act Environmental Registry Domestic Substances List., Potential Health Impacts: Bioaccumulation, Environmental Persistence, and Undefined Toxicity, Product count: 124, U.S. Production: 2023: 1, 000, 000 - <5, 000 lb, 2022: 1, 2021: 1, 2020: 1, General Manufacturing Information: Other (requires additional information), All Other Chemical Product and Preparation Manufacturing, Electrical Equipment, Appliance, and Component Manufacturing, All Other Basic Inorganic Chemical Manufacturing, Trisiloxane, 1, 3, 5, 5-octamethyl-: ACTIVE |
| Category | Sweeteners |
Documented applications: Uses: Used as a base for extreme temperature silicone oils, fluids and as a foam suppressant in petroleum lubricating oils, [Merck Index] Used mainly to make polydimethylsiloxane (PDMS) polymers, oligomers, and mixtures, Also used to make basic chemicals, paints, coatings, adhesives, soaps, cleaning compounds, toiletries, plastics, semiconductors, and other electronic components, and in building construction, lubricants, diluents, solvents, and cosmetics, [Government of Canada - Chemicals Management Plan], Semiconductor Manufacturing [Category: Industry], Use Classification: Cosmetics -> Skin conditioning, Industry Uses: Intermediate, Diluent, Heat transferring agent, Other, Consumer Uses: Diluent, Household Products: Cosmetics product ingredient: Trisiloxane, octamethyl- (Octamethyltrisiloxane, Trisiloxane), Reason for Listing: Listed as Persistent, Bioaccumulative, and Inherently Toxic to the environment by the Canadian Environmental Protection Act Environmental Registry Domestic Substances List., Potential Health Impacts: Bioaccumulation, Environmental Persistence, and Undefined Toxicity, Product count: 124, U.S. Production: 2023: 1, 000, 000 - <5, 000 lb, 2022: 1, 2021: 1, 2020: 1, General Manufacturing Information: Other (requires additional information), All Other Chemical Product and Preparation Manufacturing, Electrical Equipment, Appliance, and Component Manufacturing, All Other Basic Inorganic Chemical Manufacturing, Trisiloxane, 1, 3, 5, 5-octamethyl-: ACTIVE.
Dimethylpolysiloxane is a chemical compound with CAS registry number 107-51-7 and molecular formula C8H24O2Si3 (molecular weight 236.53), belonging to the chemical segment of chemical raw materials.
CAS number: 107-51-7
Its molecular formula C8H24O2Si3 comprises 8 C, 24 H, 2 O, 3 Si atoms.
Also known as: Dimethylpolysiloxane · 二甲基聚硅氧烷 · Octamethyltrisiloxane
Category: chemical
The CAS registry number of Dimethylpolysiloxane is 107-51-7.
Molecular formula C8H24O2Si3, molecular weight 236.53.
It is also registered under: Dimethylpolysiloxane, 二甲基聚硅氧烷, Octamethyltrisiloxane.
Recorded applications: Uses: Used as a base for extreme temperature silicone oils, fluids and as a foam suppressant in petroleum lubricating oils, [Merck Index] Used mainly to make polydimethylsiloxane (PDMS) polymers, oligomers, and mixtures, Also used to make basic chemicals, paints, coatings, adhesives, soaps, cleaning compounds, toiletries, plastics, semiconductors, and other electronic components, and in building construction, lubricants, diluents, solvents, and cosmetics, [Government of Canada - Chemicals Management Plan], Semiconductor Manufacturing [Category: Industry], Use Classification: Cosmetics -> Skin conditioning, Industry Uses: Intermediate, Diluent, Heat transferring agent, Other, Consumer Uses: Diluent, Household Products: Cosmetics product ingredient: Trisiloxane, octamethyl- (Octamethyltrisiloxane, Trisiloxane), Reason for Listing: Listed as Persistent, Bioaccumulative, and Inherently Toxic to the environment by the Canadian Environmental Protection Act Environmental Registry Domestic Substances List., Potential Health Impacts: Bioaccumulation, Environmental Persistence, and Undefined Toxicity, Product count: 124, U.S. Production: 2023: 1, 000, 000 - <5, 000 lb, 2022: 1, 2021: 1, 2020: 1, General Manufacturing Information: Other (requires additional information), All Other Chemical Product and Preparation Manufacturing, Electrical Equipment, Appliance, and Component Manufacturing, All Other Basic Inorganic Chemical Manufacturing, Trisiloxane, 1, 3, 5, 5-octamethyl-: ACTIVE.
Category: Sweeteners.
Independent reference data for Dimethylpolysiloxane (CAS 107-51-7), compiled from public chemistry databases.
| CAS Registry Number | 107-51-7 |
|---|---|
| PubChem CID | 24705 |
| Molecular formula | C8H24O2Si3 |
| IUPAC name | dimethyl-bis(trimethylsilyloxy)silane |
| UNII (FDA) | 9G1ZW13R0G |
| Molecular Weight | 236.53 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 4 |
| Exact Mass | 236.10840961 |
| Monoisotopic Mass | 236.10840961 |
| Topological Polar Surface Area | 18.5 |
| Heavy Atom Count | 13 |
| Vapor Pressure | 3.34 [mmHg] |
|---|
OCTAMETHYLTRISILOXANE; 107-51-7; Trisiloxane, octamethyl-; 1,1,1,3,3,5,5,5-Octamethyltrisiloxane; dimethyl-bis(trimethylsilyloxy)silane; Pentamethyl(trimethylsilyloxy)disiloxane; DTXSID9040710; Dimethylbis(trimethylsiloxy)silane; 9G1ZW13R0G; Pentamethyl(trimethylsiloxy)disiloxane; CHEBI:9147; DTXCID7020710; RefChem:1093790; 203-497-4; Dimethicone 350; Simethicone Impurity 6
| Regulatory & Food Contact | CIR / INCI: Skin conditioning |
|---|---|
| GHS notification summary | 11.1% (49 / 443) |
| GHS notification summary | 11.1% (49 / 443) |
|---|---|
| Reported hazard statements | H226 (88.9%), H413 (27.1%) |
This chemical does not meet GHS hazard criteria for 11.1% (49 of 443) of reports.
H226 (88.9%): Flammable liquid and vapor [Warning Flammable liquids]
Octamethyltrisiloxane · CAS 107-51-7 · C8H24O2Si3. UNII 9G1ZW13R0G. Vapor Pressure: 3.34 [mmHg].
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 二甲基聚硅氧烷