1,3-Dibenzyl-1,1,3,3-tetramethyldisiloxane
Also known as: Disiloxane, 1,1,3,3-tetramethyl-1,3-bis(phenylmethyl)-, 1,1,3,3-Tetramethyl-1,3-bis(phenylmethyl)disiloxane, Benzyl-[benzyl(dimethyl)silyl]oxy-dimethyl-silane, [Dimethyl(phenylmethyl)silyl]oxy-dimethyl-(phenylmethyl)silane, 1,3-Dibenzyltetramethyldisiloxane, EINECS 217-391-0, Sym-Dibenzyl-tetramethyl-disiloxan
1,3-Dibenzyl-1,1,3,3-tetramethyldisiloxane (CAS 1833-27-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H26OSi2 and a molecular weight of 314.56900 g/mol. Key properties include a boiling point of 342ºC at 760mmHg, a density of 0.962g/cm3 and a flash point of 133.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1833-27-8
- Jingsj CID
- J-1150358-5
- Molecular Formula
- C18H26OSi2
- Molecular Weight
- 314.56900 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 342ºC at 760mmHg |
|---|---|
| Density | 0.962g/cm3 |
| Flash Point | 133.4ºC |
| Exact Mass | 314.15200 |
| PSA | 9.23000 |
| LogP | 5.50980 |
| Vapor Pressure | 0.000153mmHg at 25°C |
| Refractive Index | 1.511 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1,3-Dibenzyl-1,1,3,3-tetramethyldisiloxane?
The CAS number of 1,3-Dibenzyl-1,1,3,3-tetramethyldisiloxane is 1833-27-8.
What are the molecular formula and molecular weight of 1,3-Dibenzyl-1,1,3,3-tetramethyldisiloxane?
1,3-Dibenzyl-1,1,3,3-tetramethyldisiloxane has molecular formula C18H26OSi2 and molecular weight 314.56900 g/mol.
What are the upstream and downstream products of 1,3-Dibenzyl-1,1,3,3-tetramethyldisiloxane?
For 1,3-Dibenzyl-1,1,3,3-tetramethyldisiloxane, Upstream Products: Benzylchlorodimethylsilane, Benzylmethoxydimethylsilane, Benzyldimethylsilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3-Dibenzyl-1,1,3,3-tetramethyldisiloxane (CAS 1833-27-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1150358-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.