Silanes & Organosilanes Available to Source

(3-Chloropropyl)trimethoxysilane

CPTMS
CAS 2530-87-2 · MF C6H15ClO3Si · MW 198.72 g/mol

(3-Chloropropyl)trimethoxysilane (CPTMS, CAS 2530-87-2) is an organosilane coupling agent with molecular formula C6H15ClO3Si that provides adhesion promotion between organic and inorganic materials. This silane compound functions as a coupling agent in agriculture, coatings & construction, industrial manufacturing, and plastics & polymers applications. The reactive chloropropyl and trimethoxysilyl functional groups enable…

SDS / TDS Download
CAS Number
2530-87-2
Molecular Formula
C6H15ClO3Si
Molecular Weight
198.72 g/mol
Material Family
Silanes & Organosilanes
Physical Properties
physical_description
Liquid; [Reference #1] Colorless liquid; [Alfa Aesar MSDS]
vapor_pressure
0.39 [mmHg]
GHS / SDS Safety Warning
Irritant Health Hazard Flammable
  • H315: Causes skin irritation [Warning Skin corrosion/irritation]
  • H226: Flammable liquid and vapor [Warning Flammable liquids]
  • H336: May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]
  • H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
  • H226 (11.5%): Flammable liquid and vapor [Warning Flammable liquids]
  • H320: Causes eye irritation [Warning Serious eye damage/eye irritation]
Chemical Identity
CAS Number2530-87-2
IUPAC Name3-chloropropyl(trimethoxy)silane
InChI KeyOXYZDRAJMHGSMW-UHFFFAOYSA-N
PubChem CID 62449
Synonyms & Trade Names
3-Chloropropyltrimethoxysilane (3-Chloropropyl)trimethoxysilane Silane, (3-chloropropyl)trimethoxy- 3-(Trimethoxysilyl)propyl chloride KBM 703 A 143 SH 6076 Z 6076 T21BNL1S7F DTXCID207490 CPTMS cpd RefChem:400119 3-chloropropyl(trimethoxy)silane CPS-M 3-Chloropropyltrimethyoxysilane
Full Description

(3-Chloropropyl)trimethoxysilane (CPTMS, CAS 2530-87-2) is an organosilane coupling agent with molecular formula C6H15ClO3Si that provides adhesion promotion between organic and inorganic materials. This silane compound functions as a coupling agent in agriculture, coatings & construction, industrial manufacturing, and plastics & polymers applications. The reactive chloropropyl and trimethoxysilyl functional groups enable chemical bonding to substrates for enhanced adhesion performance in composite materials and surface treatments.