1,3-Bis(chloromethyldimethylsiloxy)benzene
1,3-双(氯甲基二甲基硅氧基)苯
Also known as: 1,3-Bis(chloromethyldimethylsilyloxy)benzene, 1,3-bis(chloromethyldimethylsilyloxy)-benzene, chloromethyl-[3-[chloromethyl(dimethyl)silyl]oxyphenoxy]-dimethylsilane, Benzene, 1,3-bis[[(chloromethyl)dimethylsilyl]oxy]-, [1,3-Phenylenebis(oxy)]bis[(chloromethyl)(dimethyl)silane]
1,3-Bis(chloromethyldimethylsiloxy)benzene (CAS 203785-58-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H20Cl2O2Si2 and a molecular weight of 323.363 g/mol. It is also known as 1,3-Bis(chloromethyldimethylsilyloxy)benzene, 1,3-bis(chloromethyldimethylsilyloxy)-benzene and chloromethyl-[3-[chloromethyl(dimethyl)silyl]oxyphenoxy]-dimethylsilane. Key properties include a melting point of <20ºC, a boiling point of 294.6±35.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 110.3±18.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 203785-58-4
- Jingsj CID
- J-1523843-6
- Molecular Formula
- C12H20Cl2O2Si2
- Chinese Name
- 1,3-双(氯甲基二甲基硅氧基)苯
- Molecular Weight
- 323.363 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | <20ºC |
|---|---|
| Boiling Point | 294.6±35.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 110.3±18.1 °C |
Frequently Asked Questions
What is the CAS number of 1,3-Bis(chloromethyldimethylsiloxy)benzene?
The CAS number of 1,3-Bis(chloromethyldimethylsiloxy)benzene is 203785-58-4.
What are the molecular formula and molecular weight of 1,3-Bis(chloromethyldimethylsiloxy)benzene?
1,3-Bis(chloromethyldimethylsiloxy)benzene has molecular formula C12H20Cl2O2Si2 and molecular weight 323.363 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3-Bis(chloromethyldimethylsiloxy)benzene (CAS 203785-58-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523843-6 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.