KBM-703

Shin-Etsu Chemical Co., Ltd.

Shin-Etsu Chemical Co., Ltd. · KBM

KBM-703 is a chloropropyl-functional silane coupling agent, specifically 3-Chloropropyltrimethoxysilane, used to enhance adhesion between organic and inorganic materials. It provides improved mechanical strength, moisture resistance, and chemical resistance, making it ideal for use in epoxy and ABS resins in coatings, adhesives, and composites.

Specifications

Identifiers

Chemical name
3-Chloropropyltrimethoxysilane
CAS number(s)
2530-87-2
EC number
219-787-9
Molecular formula
C6H15ClO3Si
InChI key
OXYZDRAJMHGSMW-UHFFFAOYSA-N
Synonyms
Chloropropyl-functional Silane Coupling Agent, γ-Chloropropyltrimethoxysilane, (3-Chloropropyl)trimethoxysilane, Silane (3-Chloropropyl)tris(methoxy)-

Technical specifications

Properties

PropertyValueUnit
Physical StateLiquid-
Boiling Point195°C
Melting Point< -50°C
ColorColorless or yellowish, clear-
Molecular Weight198.72g/mol

Specifications

Test ConditionSpecificationValueUnitTest Method
at 25 °CDensity1.09g/ml-
at 750 mmHgBoiling Point195°C-
-Flash Point58°C-
-Melting Point-50°C-
-Purity by GC> 99%-
Industries
CareChemical Manufacturing
Product groups
SilanesSiliconesSilanes & Siloxanes
Applications
ResinsPolymers
Functions
Adhesion promoterSurface modifierWater repellentCoupling agentAdditive
Market segments
Specialty chemicals