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Diphenylmethylethoxysilane

Also known as: ethoxymethyldiphenylsilane, Methyldiphenylethoxysilane, Diphenylethoxymethylsilane, Methylethoxydiphenylsilane, Diphenyl-ethoxy-methylsilane, Diphenyl-methyl-ethoxysilane, Benzene, 1,1'-(ethoxymethylsilylene)bis-

Diphenylmethylethoxysilane (CAS 1825-59-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H18OSi and a molecular weight of 242.388 g/mol. Key properties include a melting point of -27ºC, a boiling point of 281.0±13.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 121.3±10.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1825-59-8
Jingsj CID
J-1398886-8
Molecular Formula
C15H18OSi
Molecular Weight
242.388 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-27ºC
Boiling Point281.0±13.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point121.3±10.0 °C
Exact Mass242.112686
PSA9.23000
LogP5.66
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.541
Storage Conditions2~8℃,Seal

Customs & Trade Information

HS Code2931900090
Summary2931900090. 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 Diphenylmethylethoxysilane?

The CAS number of Diphenylmethylethoxysilane is 1825-59-8.

What are the molecular formula and molecular weight of Diphenylmethylethoxysilane?

Diphenylmethylethoxysilane has molecular formula C15H18OSi and molecular weight 242.388 g/mol.

What are the upstream and downstream products of Diphenylmethylethoxysilane?

For Diphenylmethylethoxysilane, Upstream Products: Ethanol, Methyldiphenylsilane, Diphenyldiethoxysilane; Downstream Products: hydroxymethyldiphenylsilane, Chlorodiphenylmethylsilane, Diphenylmethylfluorosilane.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Diphenylmethylethoxysilane (CAS 1825-59-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1398886-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.