Name | methyltrimethoxysilane |
Synonyms | Z 6070 silanea-163 unioncarbidea-163 Union carbide a-163 Methytrimethoxysilane methyltrimethoxysilane trimethoxymethyl-silan methyltrimethoxy-silan Methyl-trithoxysilicane Trimethoxy(methyl)silane Silane, methyltrimethoxy- |
CAS | 1185-55-3 |
EINECS | 214-685-0 |
InChI | InChI=1/C4H12O3Si/c1-5-4(8,6-2)7-3/h1-3,8H3 |
InChIKey | BFXIKLCIZHOAAZ-UHFFFAOYSA-N |
Molecular Formula | C4H12O3Si |
Molar Mass | 136.22 |
Density | 0.955g/mLat 25°C(lit.) |
Boling Point | 102-104°C(lit.) |
Flash Point | 52°F |
Water Solubility | decomposes |
Vapor Presure | 2990 hPa (20 °C) |
Appearance | liquid |
Specific Gravity | 0.955 |
Color | colorless |
BRN | 1736151 |
Storage Condition | Store below +30°C. |
Stability | Stable, but moisture sensitive. Highly flammable. Incompatible with water, strong acids, strong oxidizing agents. |
Sensitive | Moisture Sensitive |
Refractive Index | n20/D 1.371(lit.) |
Physical and Chemical Properties | Density 0.955 boiling point 102°C refractive index 1.3695-1.3715 flash point 11°C water-soluble decomposers |
Use | Used as a crosslinking agent for room temperature vulcanized silicone rubber, a treatment agent for glass fiber and reinforced plastic laminates, and a coupling agent for silica |
Risk Codes | R11 - Highly Flammable R43 - May cause sensitization by skin contact |
Safety Description | S16 - Keep away from sources of ignition. S24 - Avoid contact with skin. |
UN IDs | UN 1993 3/PG 2 |
WGK Germany | 3 |
RTECS | VV4650000 |
TSCA | Yes |
HS Code | 29310095 |
Hazard Class | 3 |
Packing Group | II |
Toxicity | LD50 orally in Rabbit: 11808 mg/kg LD50 dermal Rabbit > 9600 mg/kg |
LogP | -2.4-0.7 at 20℃ |
NIST chemical information | information provided by: webbook.nist.gov (external link) |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
Performance | good stability; good bonding effect; strong durability; Wide application range; as one of the most common alkoxy crosslinking agents, it has high reactivity. |
Use | as a RTV one-component silicone rubber crosslinking agent, it is also a raw material for preparing silicone resin, and can also handle various inorganic fillers. used in the manufacture of organosilicon compounds used as a crosslinking agent for room temperature vulcanized silicone rubber, a treating agent for glass fiber and reinforced plastic laminates, a coupling agent for silica A crosslinking agent for room temperature vulcanized silicone rubber, coupling Agent for the treatment of glass fiber and reinforced plastic laminates. |
autoignition temperature | 225°C |