Methylhexahydrophthalic anhydride (MHHPA)

Name: Methylhexahydrophthalic anhydride, MHHPA, Methyl-1,2-cyclohexanedicarboxylic anhydride, mixture of isomers.
CAS No: 25550-51-0
Formula: C9H12O3
Formula Weight: 168.19
Properties: Soluble in benzene, acetone, etc. Sensitive to moisture. specific gravity 1.162.
Application: MHHPA is a thermo-setting epoxy resin curing agent mainly used in electric and electron field. With the many advantages, e.g. low melting point, low viscosity of the mixtures with alicyclic epoxy resins, long applicable period, high heat-resistance of the cured material and excellent electrical properties at high temperature, MHHPA is widely used for impregnating electrical coils, casting electricity components and sealing semiconductors, e.g. outdoor insulators, capacitors, light emitting diodes and digital displays.
Package: Packed in 25 kg plastic drums or 220kg iron drums.
Cautions: Store in cool, dry places and keep away from fire and moisture.
Specification
Appearance Colorless liquid
Iodine Value ≤1.0
Viscosity ( 25) 40-50mPa·s
Free Acid ≤1.0 %
Freezing Point ≤-15

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