KBM-602

Shin-Etsu Chemical Co., Ltd.

Shin-Etsu Chemical Co., Ltd. · KBM

KBM-602 is a diamino-functional silane, specifically N-(2-Aminoethyl)-3-aminopropylmethyldimethoxysilane, used in a wide range of applications including coatings, adhesives, sealants, and composites. It enhances adhesion, flexibility, and hydrolytic stability, particularly in waterborne systems. It is commonly used in thermoplastics, thermosets, and elastomers to improve bonding and mechanical properties.

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Specifications

Identifiers

Chemical name
N-(2-Aminoethyl)-3-aminopropylmethyldimethoxysilane
CAS number(s)
3069-29-2
EC number
221-336-6
Molecular formula
C8H22N2O2Si
InChI key
MQWFLKHKWJMCEN-UHFFFAOYSA-N
Synonyms
Diaminosilane Coupling Agent, N-{3-[Dimethoxy(methyl)silyl]propyl}-1,2-ethanediamine, 3-(2-Aminoethylamino)propyldimethoxymethylsilane

Technical specifications

Properties

PropertyValueUnit
Physical StateLiquid-
ColorColorless, transparent-
OdorAmine odor-
Boiling Point234°C
Vapor Pressure< 10 (at 25 °C)mmHg
Vapor Density7.1 (Air = 1)-
Specific Gravity0.975 (at 25 °C)-
Evaporation Rate< 1 (Butyl acetate = 1)-
Solubility in WaterSoluble-
Flash Point86 (Closed cup), 110 (Open cup)°C

Specifications

Test ConditionSpecificationValueUnitTest Method
-AppearanceLight straw--
at 25 °CSpecific Gravity0.975--
at 25 °CRefractive Index1.4447--
-Purity by GC> 98%-
Industries
Adhesives & SealantsCASECareCeramics & glassChemical ManufacturingElectronics & ElectricalPaints & Coatings
Product groups
Silane Coupling AgentsSiliconesSilanes & Siloxanes
Applications
Adhesives & sealants formulationsPaints & coatings formulationsFiller surface treatmentGlass-reinforced compositesOptical fibersPolymers
Functions
Adhesion promoterFlow modifierCoupling agentViscosity controllerChemical resistanceDispersant
Market segments
Paints & coatings additivesSpecialty chemicalsAdhesivesElectronic componentsGlass & optics

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