Methyl tetrahydrophthalic anhydride MTHPA CAS 19438-64-3

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Model: MOS19438-64-3
Place of Origin: Sichuan,China (Mainland)
Brand Name: MOSINTER
CAS No.: 19438-64-3
Brand: MOSINTER
Molecular formula: C9H10O3
Molecular mass: 166.17
Freezing point: <-15 -20 -15℃
Acid value(mgKOH/g): 650~675 660~685 630~650
Viscosity (25 ℃): 40~70 ≤50 70~120mPa.s
Density: 1.251g/cm3
Boiling point: 292.4°C at 760 mmHg
Flashing point: 136.1°C
Vapour pressure: 0.00184mmHg at 25°C

Methyl tetrahydrophthalic anhydride(MTHPA)(CAS: 19438-64-3)

Item Index
Appearance Light yellowtransparent liquid
Colour degree(pt-co),   ≤ 300
Crystallization point, ℃≤ -15
Acid value, mgKOH/g 660.0~685.0
Dextran-based Content, ≥ 40.50
Viscosity, Pa.s(25℃)≤ ≤0.0500
Density, g/cm3(20℃) 1.210±0.05
Free acid, % ≤ 0.50
Volatile matter,   %(120℃)< <2.00

Packaging

25 kg plastic drum or 220 kg drum packaging.

Application

Used in epoxy resin curing agent, solvent free paint, laminate, epoxy adhesive, etc. Curing agent for epoxy resin, has the long-term storage at room temperature, low freezing point, low volatility, low toxicity, excellent performance. Widely used in motor, dry type transformer, high voltage switch, transformer, line output transformer, household appliances, electric power capacitor resistor, capacitor impregnated, pouring of integrated circuits and winding, etc.

One Warning 

Suitable to pay attention to during the process of airtight, moisture. Stable performance, high quality stored at room temperature for more than a year.