Diphenylsilanediol
Also known as: Dihydroxydiphenylsilane, Diphenyldihydroxysilane, Diphenylsilandiol, Silanediol, diphenyl-, Silanediol, 1,1-diphenyl-, Difenyl-dihydroxysilan, MFCD00002101
Diphenylsilanediol (CAS 947-42-2) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C12H12O2Si and a molecular weight of 216.308 g/mol. Key properties include a melting point of 144-147 °C, a boiling point of 352.6±25.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 167.1±23.2 °C. It is classified under GHS with signal word Danger and hazard statements H228. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 947-42-2
- Jingsj CID
- J-18769-9
- Molecular Formula
- C12H12O2Si
- Molecular Weight
- 216.308 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 144-147 °C |
|---|---|
| Boiling Point | 352.6±25.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 167.1±23.2 °C |
| Exact Mass | 216.060654 |
| PSA | 40.46000 |
| LogP | 4.41 |
| Additional Property | >1 (vs air) |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.615 |
| Additional Property | reacts |
GHS Safety & Compliance
- H228
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Diphenylsilanediol?
The CAS number of Diphenylsilanediol is 947-42-2.
What are the molecular formula and molecular weight of Diphenylsilanediol?
Diphenylsilanediol has molecular formula C12H12O2Si and molecular weight 216.308 g/mol.
Is Diphenylsilanediol hazardous?
Diphenylsilanediol has GHS signal word Danger and hazard statements H228.
What are the upstream and downstream products of Diphenylsilanediol?
For Diphenylsilanediol, Upstream Products: Diphenylsilane, Dichlorodiphenylsilane, Diphenyldiethoxysilane; Downstream Products: Hexaphenylcyclotrisiloxane, Octaphenylcyclotetrasiloxane, Diphenyldiethoxysilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diphenylsilanediol (CAS 947-42-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18769-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.