Functional Roles
Industries Served
GHS / SDS Safety
Danger
Irritant
Health Hazard
Flammable
Corrosive
- H335 (66.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H225 (97.6%): Highly Flammable liquid and vapor [Danger Flammable liquids]
- H225: Highly Flammable liquid and vapor [Danger Flammable liquids]
- H336: May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]
- H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
- Not Classified
- H332: Harmful if inhaled [Warning Acute toxicity, inhalation]
- H318 (66.7%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H315 (57.2%): Causes skin irritation [Warning Skin corrosion/irritation]
- H320: Causes eye irritation [Warning Serious eye damage/eye irritation]
- H319 (33.3%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H319 (53.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H315 (66.7%): Causes skin irritation [Warning Skin corrosion/irritation]
- H225 (33.3%): Highly Flammable liquid and vapor [Danger Flammable liquids]
- H335 (43.4%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H317 (14.8%): May cause an allergic skin reaction [Warning Sensitization, Skin]
Chemical Identity
| CAS Number | 1185-55-3 |
| IUPAC Name | trimethoxy(methyl)silane |
| InChI Key | BFXIKLCIZHOAAZ-UHFFFAOYSA-N |
| PubChem CID | 14456 |
| INCI Name | METHYLTRIMETHOXYSILANE |
Synonyms & Trade Names
Full Description
Methyltrimethoxysilane (MTMS) is an organosilane with the molecular formula C4H12O3Si, functioning as a crosslinking and coupling agent in industrial applications. It is widely used in coatings & construction, industrial manufacturing, and plastics & polymers for surface modification, water repellency treatments, and as a precursor in sol-gel processes.