3-(Trihydroxysilyl)propyl methylphosphonate monosodium salt

3-(三羟基硅基)丙基甲基膦酸单钠盐

Also known as: 3-(TRIHYDROXYSILYL)PROPYL METHYLPHOSPHONATE, MONOSODIUM SALT, sodium methyl(3-trihydroxysilylpropoxy)phosphinate, MFCD00274617, Phosphonic acid, methyl-, mono[3-(trihydroxy-silyl)propyl] ester, monosodium salt, Sodium (3-(trihydroxysilyl)propyl)methyl phosphonate, dow corning product q1-6083, sodium,methyl(3-trihydroxysilylpropoxy)phosphinate

3-(Trihydroxysilyl)propyl methylphosphonate monosodium salt (CAS 84962-98-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H12NaO6PSi and a molecular weight of 238.18400 g/mol. It is also known as 3-(TRIHYDROXYSILYL)PROPYL METHYLPHOSPHONATE, MONOSODIUM SALT, sodium methyl(3-trihydroxysilylpropoxy)phosphinate and MFCD00274617. Key properties include a boiling point of 421ºC at 760 mmHg, a density of 1.252 g/mL at 25ºC and a flash point of 174 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 84962-98-1
Jingsj CID: J-26640-8
Molecular Formula: C₄H₁₂NaO₆PSi
Chinese Name: 3-(三羟基硅基)丙基甲基膦酸单钠盐
Molecular Weight: 238.18400 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	421ºC at 760 mmHg
Density	1.252 g/mL at 25ºC
Flash Point	174 °F

GHS Safety & Compliance

Irritant / Health HazardSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-(Trihydroxysilyl)propyl methylphosphonate monosodium salt?

The CAS number of 3-(Trihydroxysilyl)propyl methylphosphonate monosodium salt is 84962-98-1.

What are the molecular formula and molecular weight of 3-(Trihydroxysilyl)propyl methylphosphonate monosodium salt?

3-(Trihydroxysilyl)propyl methylphosphonate monosodium salt has molecular formula C4H12NaO6PSi and molecular weight 238.18400 g/mol.

Is 3-(Trihydroxysilyl)propyl methylphosphonate monosodium salt hazardous?

3-(Trihydroxysilyl)propyl methylphosphonate monosodium salt has GHS signal word Warning.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3-(Trihydroxysilyl)propyl methylphosphonate monosodium salt (CAS 84962-98-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26640-8 (accessed 2026-10-23).

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