dimethylsilanediol
Also known as: 1,1-Dimethylsilanediol, Dihydroxydimethylsilane, Dimethyldihydroxysilane, Si(OH)2Me2, Silanediol, 1,1-dimethyl-, Silanediol, dimethyl-, Silanediol,1,1-dimethyl, Silanediol,dimethyl, Simethicone Impurity 1, Simethicone Impurity 1 (Dimethylsilanediol), dihydroxy(dimethyl)silane, dihydroxy-dimethyl-silane, dimethyl dihydroxy silane, dimethyl siloxane, dimetyhsilanediol
dimethylsilanediol (CAS 1066-42-8) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C2H8O2Si and a molecular weight of 92.16920 g/mol. Key properties include a melting point of >75 °C (dec.) (lit.), a boiling point of 122.2ºC at 760mmHg, a density of 0.998g/cm3 and a flash point of 27.7ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 1066-42-8
- Jingsj CID
- J-962539-2
- Molecular Formula
- C2H8O2Si
- Molecular Weight
- 92.16920 g/mol
- Category
- Alcohols
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >75 °C (dec.) (lit.) |
|---|---|
| Boiling Point | 122.2ºC at 760mmHg |
| Density | 0.998g/cm3 |
| Flash Point | 27.7ºC |
| Exact Mass | 92.02940 |
| PSA | 40.46000 |
| Vapor Pressure | 6.73mmHg at 25°C |
| Refractive Index | 1.414 |
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 dimethylsilanediol?
The CAS number of dimethylsilanediol is 1066-42-8.
What are the molecular formula and molecular weight of dimethylsilanediol?
dimethylsilanediol has molecular formula C2H8O2Si and molecular weight 92.16920 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "dimethylsilanediol (CAS 1066-42-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-962539-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.