Name | Dihydroxydiphenylsilane |
Synonyms | diphenyl-silanedio DIPHENYLSILANEDIOL Diphenylsilanediol Silanediol, diphenyl- Dihydroxydiphenylsilane DIHYDROXYDIPHENYLSILANE Diphenyldihydroxysilane Silane, dihydroxydiphenyl- Diphenylsilanediolwhitepowder DIPHENYLSILANEDIOL HIGH PURITY Diphenylsilanediol(Dihydroxydiphenylsilane) |
CAS | 947-42-2 |
EINECS | 213-427-4 |
InChI | InChI=1/C12H12O2Si/c13-15(14,11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10,13-14H |
Molecular Formula | C12H12O2Si |
Molar Mass | 216.31 |
Density | 0.87 |
Melting Point | 144-147°C |
Boling Point | 353°C [760mmHg] |
Flash Point | 129°F |
Water Solubility | reacts |
Vapor Presure | 0Pa at 25℃ |
Vapor Density | >1 (vs air) |
Appearance | Powder |
Color | white |
BRN | 2523445 |
pKa | 12.06±0.53(Predicted) |
Storage Condition | Inert atmosphere,Room Temperature |
Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
Sensitive | Air & Light Sensitive |
Refractive Index | 1.615 |
Physical and Chemical Properties | White needle crystal. Melting point 140-141 ℃ (water loss decomposition). |
Use | Used as silicone rubber structure control agent, raw material of benzyl silicone oil and intermediate of other silicon products |
Hazard Symbols | F - Flammable |
Risk Codes | R11 - Highly Flammable R10 - Flammable |
Safety Description | S16 - Keep away from sources of ignition. S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S37 - Wear suitable gloves. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
UN IDs | UN 1325 4.1/PG 3 |
WGK Germany | 1 |
RTECS | VV3640000 |
TSCA | Yes |
HS Code | 29319090 |
Hazard Class | 4.1 |
Packing Group | III |