Diphenyldiethoxysilane
Also known as: Diethoxydiphenylsilane, Diethoxy(diphenyl)silane, DPDES, Benzene, 1,1'-(diethoxysilylene)bis-, Silane, diethoxydiphenyl-
Diphenyldiethoxysilane (CAS 2553-19-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H20O2Si and a molecular weight of 272.414 g/mol. Key properties include a boiling point of 320.8±15.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 187.0±8.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2553-19-7
- Jingsj CID
- J-6722-1
- Molecular Formula
- C16H20O2Si
- Molecular Weight
- 272.414 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 320.8±15.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 187.0±8.0 °C |
| Exact Mass | 272.123260 |
| PSA | 18.46000 |
| LogP | 4.92 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.535 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory 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 Diphenyldiethoxysilane?
The CAS number of Diphenyldiethoxysilane is 2553-19-7.
What are the molecular formula and molecular weight of Diphenyldiethoxysilane?
Diphenyldiethoxysilane has molecular formula C16H20O2Si and molecular weight 272.414 g/mol.
Is Diphenyldiethoxysilane hazardous?
Diphenyldiethoxysilane has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Diphenyldiethoxysilane?
For Diphenyldiethoxysilane, Upstream Products: Ethanol, Diphenylsilane, Dichlorodiphenylsilane; Downstream Products: Diphenylsilanediol, Octaphenylcyclotetrasiloxane, 3,3-Diphenylhexamethyltrisiloxane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diphenyldiethoxysilane (CAS 2553-19-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6722-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.