Methyltrimethoxysilane (CAS 1185-55-3) — formula C4H12O3Si, molecular weight 136.22; category organic chemicals.
| CAS Number | 1185-55-3 |
|---|---|
| Molecular Formula | C4H12O3Si |
| Molecular Weight | 136.22 |
| Boiling Point | 103.5 °C @760 [mm Hg] |
| Applications | Uses: Used in household products for conditioning and waterproofing leather, [REPROTOX], The uses of Methyltrimethoxysilane (MTMS) include as a coupling agent in thermoplastics and thermosetting resins, a cross-linker in silicone sealants, a water repellent component, and in silicone hard-coats for plastics., Industry Uses: Monomers, Not Known or Reasonably Ascertainable, Catalyst, Sealant (barrier), Surface modifier, Intermediate, Adhesion, cohesion promoter, Consumer Uses: Other, Household Products: Information on 24 consumer products that contain Methyltrimethoxysilane in the following categories is provided:, • Auto Products, • Home Maintenance, • Landscaping, Yard, U.S. Production: 2023: 5, 000, 000 - <10, 000 lb, 2022: 5, 2021: 5, 2020: 5, General Manufacturing Information: Petrochemical Manufacturing, Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing), Paint and Coating Manufacturing, Adhesive Manufacturing, Construction, All Other Chemical Product and Preparation Manufacturing, Electrical Equipment, Appliance, and Component Manufacturing, All Other Basic Inorganic Chemical Manufacturing, Silane, trimethoxymethyl-: ACTIVE |
| Category | Organic Chemicals |
Documented applications: Uses: Used in household products for conditioning and waterproofing leather, [REPROTOX], The uses of Methyltrimethoxysilane (MTMS) include as a coupling agent in thermoplastics and thermosetting resins, a cross-linker in silicone sealants, a water repellent component, and in silicone hard-coats for plastics., Industry Uses: Monomers, Not Known or Reasonably Ascertainable, Catalyst, Sealant (barrier), Surface modifier, Intermediate, Adhesion, cohesion promoter, Consumer Uses: Other, Household Products: Information on 24 consumer products that contain Methyltrimethoxysilane in the following categories is provided:, • Auto Products, • Home Maintenance, • Landscaping, Yard, U.S. Production: 2023: 5, 000, 000 - <10, 000 lb, 2022: 5, 2021: 5, 2020: 5, General Manufacturing Information: Petrochemical Manufacturing, Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing), Paint and Coating Manufacturing, Adhesive Manufacturing, Construction, All Other Chemical Product and Preparation Manufacturing, Electrical Equipment, Appliance, and Component Manufacturing, All Other Basic Inorganic Chemical Manufacturing, Silane, trimethoxymethyl-: ACTIVE.
Methyltrimethoxysilane is a carbon-based organic compound with CAS registry number 1185-55-3 and molecular formula C4H12O3Si (molecular weight 136.22), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 1185-55-3
Its molecular formula C4H12O3Si comprises 4 C, 12 H, 3 O, 1 Si atoms.
Also known as: Methyltrimethoxysilane · 甲基三甲氧基硅烷
Category: organic chemicals
The CAS registry number of Methyltrimethoxysilane is 1185-55-3.
Molecular formula C4H12O3Si, molecular weight 136.22.
It is also registered under: Methyltrimethoxysilane, 甲基三甲氧基硅烷.
Recorded applications: Uses: Used in household products for conditioning and waterproofing leather, [REPROTOX], The uses of Methyltrimethoxysilane (MTMS) include as a coupling agent in thermoplastics and thermosetting resins, a cross-linker in silicone sealants, a water repellent component, and in silicone hard-coats for plastics., Industry Uses: Monomers, Not Known or Reasonably Ascertainable, Catalyst, Sealant (barrier), Surface modifier, Intermediate, Adhesion, cohesion promoter, Consumer Uses: Other, Household Products: Information on 24 consumer products that contain Methyltrimethoxysilane in the following categories is provided:, • Auto Products, • Home Maintenance, • Landscaping, Yard, U.S. Production: 2023: 5, 000, 000 - <10, 000 lb, 2022: 5, 2021: 5, 2020: 5, General Manufacturing Information: Petrochemical Manufacturing, Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing), Paint and Coating Manufacturing, Adhesive Manufacturing, Construction, All Other Chemical Product and Preparation Manufacturing, Electrical Equipment, Appliance, and Component Manufacturing, All Other Basic Inorganic Chemical Manufacturing, Silane, trimethoxymethyl-: ACTIVE.
Category: Organic Chemicals.
Independent reference data for Methyltrimethoxysilane (CAS 1185-55-3), compiled from public chemistry databases.
| CAS Registry Number | 1185-55-3 |
|---|---|
| PubChem CID | 14456 |
| Molecular formula | C4H12O3Si |
| IUPAC name | trimethoxy(methyl)silane |
| UNII (FDA) | 0HI0D71MCI |
| Molecular Weight | 136.22 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 3 |
| Exact Mass | 136.05557077 |
| Monoisotopic Mass | 136.05557077 |
| Topological Polar Surface Area | 27.7 |
| Heavy Atom Count | 8 |
| Boiling Point | 103.5 °C @760 [mm Hg] |
|---|---|
| Density | 0.949 @ 20°C |
Methyltrimethoxysilane; 1185-55-3; Trimethoxy(methyl)silane; Trimethoxymethylsilane; Silane, trimethoxymethyl-; DTXSID3027370; Z 6070; 0HI0D71MCI; GLASCA B; NSC-93883; SILQUEST A 1630; DTXCID407370; DOW CORNING 7-5300 FILM-IN-PLACE COATING; DOW CORNING (R) 7-5310 FILM-IN-PLACE BASE; RefChem:818737; 214-685-0
| GHS notification summary | 1.7% (22 / 1271) |
|---|
| GHS notification summary | 1.7% (22 / 1271) |
|---|---|
| Reported hazard statements | H225 (97.6%), H315 (57.2%), H317 (14.8%), H319 (53.7%), H335 (43.4%), H318 (66.7%), H320, H332 |
This chemical does not meet GHS hazard criteria for 1.7% (22 of 1271) of reports.
H225 (97.6%): Highly Flammable liquid and vapor [Danger Flammable liquids]
Methyltrimethoxysilane · CAS 1185-55-3 · C4H12O3Si. UNII 0HI0D71MCI. Boiling Point: 103.5 °C @760 [mm Hg]; Density: 0.949 @ 20°C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 甲基三甲氧基硅烷