Diphenyldimethoxysilane
Also known as: Dimethoxydiphenylsilane, DMDPS, DPDMS, KBM202, TSL8172, Z6074, dimethoxydiphenyl-silan, diphenyldimethoxylsilicane, Benzene, 1,1'-(dimethoxysilylene)bis-, Benzene, 1,1'-(diMethoxysilylene)bis-, Dimethoxy(diphenyl)silane, Diphenyldimethoxylsilane, EINECS 229-929-1, MFCD00025690, ay43-047, kbm202ls5300, z6074
Diphenyldimethoxysilane (CAS 6843-66-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H16O2Si and a molecular weight of 244.361 g/mol. Key properties include a melting point of <0ºC, a boiling point of 286.6±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 159.1±7.4 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 6843-66-9
- Jingsj CID
- J-2830-8
- Molecular Formula
- C14H16O2Si
- Molecular Weight
- 244.361 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | <0ºC |
|---|---|
| Boiling Point | 286.6±13.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 159.1±7.4 °C |
| Exact Mass | 244.091949 |
| PSA | 18.46000 |
| LogP | 3.86 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.543 |
GHS Safety & Compliance
- H315 — Causes skin irritation
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 Diphenyldimethoxysilane?
The CAS number of Diphenyldimethoxysilane is 6843-66-9.
What are the molecular formula and molecular weight of Diphenyldimethoxysilane?
Diphenyldimethoxysilane has molecular formula C14H16O2Si and molecular weight 244.361 g/mol.
Is Diphenyldimethoxysilane hazardous?
Diphenyldimethoxysilane has GHS signal word Warning and hazard statements H315 — Causes skin irritation.
What are the upstream and downstream products of Diphenyldimethoxysilane?
For Diphenyldimethoxysilane, Upstream Products: Methanol, Diphenylsilane, Bromobenzene; Downstream Products: 4-Nitrobiphenyl, 4-Bromobiphenyl, Octaphenylcyclotetrasiloxane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diphenyldimethoxysilane (CAS 6843-66-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2830-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.