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Methyltetrahydrophthalic anhydride Methyl Tetrahydrophthalic Anhydride CAS:26590-20-5
MTHPA Methyl Tetrahydrophthalic Anhydride |
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CAS | 26590-20-5 |
Chemical formula | C9H10O3 |
Physical and chemical properties | light yellow transparent oil liquid, soluble in acetone, ethanol, toluene, etc. Good stability in air i is not easy to precipitate crystallization. |
color: ≤200 #
Crystal point: ≤-15℃
Adhesion(m Pa.S.25℃): ≤50
Acid level(mg KOH/g) :660-685
Anhydride-base content: ≥40.5%
Free acid:≤ 0.5%
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