3-Mercaptopropylmethyldimethoxysilane

巯丙基甲基二甲氧基硅烷

Also known as: (3-Mercaptopropyl)methyldimethoxysilane, 3-(Dimethoxymethylsilyl)-1-propanethiol, 3-[Dimethoxy(methyl)silyl]propane-1-thiol, 3-Mercaptopropyl(dimethoxy)methylsilane, KBM-802, SG-Si590, HD-105, gamma-mercaptopropylmethyldimethoxysilane, methylmercaptopropyldimethoxysilane, 3-thiopropylmethyldimethoxysilane

3-Mercaptopropylmethyldimethoxysilane (CAS 31001-77-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H16O2SSi and a molecular weight of 180.340 g/mol. It is also known as (3-Mercaptopropyl)methyldimethoxysilane, 3-(Dimethoxymethylsilyl)-1-propanethiol and 3-[Dimethoxy(methyl)silyl]propane-1-thiol. Key properties include a boiling point of 181.1±13.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 63.4±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
31001-77-1
Jingsj CID
J-18787-1
Molecular Formula
C6H16O2SSi
Chinese Name
巯丙基甲基二甲氧基硅烷
Molecular Weight
180.340 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point181.1±13.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point63.4±19.8 °C

Frequently Asked Questions

What is the CAS number of 3-Mercaptopropylmethyldimethoxysilane?

The CAS number of 3-Mercaptopropylmethyldimethoxysilane is 31001-77-1.

What are the molecular formula and molecular weight of 3-Mercaptopropylmethyldimethoxysilane?

3-Mercaptopropylmethyldimethoxysilane has molecular formula C6H16O2SSi and molecular weight 180.340 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Mercaptopropylmethyldimethoxysilane (CAS 31001-77-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18787-1 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.