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(3-Methacryloxy-2-hydroxypropoxy)propylbis(trimethylsiloxy)methylsilane

Also known as: (3-Methacryloxy-2-hydroxypropoxy)propylbis(trimethylsiloxy)methylsilane, tech-90, (3-Methacryloxy-2-hydroxypropoxy)propylbis(trimethylsiloxy)methylsilane, tech-95, 3-(3-Methacryloxy-2-hydroxypropoxy)propylbis(trimethylsiloxy)methylsilane, SiGMA, Methyl di(trimethylsiloxy)silyl propyl glycerol methacrylate, Methyl bis(trimethylsiloxy)silylpropylglycerol monomethacrylate, 2-Propenoic acid, 2-methyl-, 2-hydroxy-3-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]disiloxanyl]propoxy]propyl ester

(3-Methacryloxy-2-hydroxypropoxy)propylbis(trimethylsiloxy)methylsilane (CAS 69861-02-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C17H38O6Si3 and a molecular weight of 422.74300 g/mol. Key properties include a boiling point of 362.1±52.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 172.8±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
69861-02-5
Jingsj CID
J-993879-8
Molecular Formula
C17H38O6Si3
Molecular Weight
422.74300 g/mol
Category
Aliphatic Hydrocarbons
Last updated
11/2/2026

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Physicochemical Properties

Boiling Point362.1±52.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point172.8±30.7 °C
Exact Mass364.155762
PSA64.99000
LogP5.68
Vapor Pressure0.0±1.8 mmHg at 25°C
Refractive Index1.442

Frequently Asked Questions

What is the CAS number of (3-Methacryloxy-2-hydroxypropoxy)propylbis(trimethylsiloxy)methylsilane?

The CAS number of (3-Methacryloxy-2-hydroxypropoxy)propylbis(trimethylsiloxy)methylsilane is 69861-02-5.

What are the molecular formula and molecular weight of (3-Methacryloxy-2-hydroxypropoxy)propylbis(trimethylsiloxy)methylsilane?

(3-Methacryloxy-2-hydroxypropoxy)propylbis(trimethylsiloxy)methylsilane has molecular formula C17H38O6Si3 and molecular weight 422.74300 g/mol.

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

Last updated:

How to cite: Jingsj. "(3-Methacryloxy-2-hydroxypropoxy)propylbis(trimethylsiloxy)methylsilane (CAS 69861-02-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-993879-8 (accessed 2026-11-09).

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