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3-Methyltetrahydrophthalic Anhydride

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Origin: China

Cas No: 5333-84-6

Specification: 99%min

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Supply Ability: 100 mt/month

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Product Description

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CAS No.: 5333-84-6 Formula: C9H10O3 Molecular Weight: 166.17400

Description

3-Methyl-4-cyclohexene-1,2-dicarboxylic Anhydride is used in the curing of kinetics and thermal property characterization of Bisphenol-F. Also used in the synthesis of liquid crystalline epoxy resins.

Basic Info

Chemical Name	3-Methyltetrahydrophthalic Anhydride
Synonyms	3-Methyl-4-cyclohexene-1,2-dicarboxylic Anhydride; 3-Methyltetrahydrophthalic anhydride; 3-Methyl-Δ4-tetrahydrophthalic Anhydride; 4-Methyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione;
CAS No.	5333-84-6
Molecular Formula	C9H10O3
Molecular Weight	166.17400
PSA	43.37000
LogP	0.89820

Properties

Appearance & Physical State	white solid
Density	1.204 g/cm3
Boiling Point	303ºC at 760 mmHg
Melting Point	62ºC
Refractive Index	1.507

Safety Info

Safety Statements	S26-S36-S37-S39
HS Code	2932999099
Risk Statements	R36/37/38

Synthesis Route

trans-1-Methylbutadiene+fumaric acid→3-Methyltetrahydrophthalic Anhydride
trans-1-Methylbutadiene+fumaric acid→3-Methyltetrahydrophthalic Anhydride+3-Methyltetrahydrophthalic Anhydride
N,N-Dibutylaniline+(3-methyl)tetrahydrophthalic anhydride→3-Methyltetrahydrophthalic Anhydride+4-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione

Precursor

fumaric acid
N,N-Dibutylaniline
(3-methyl)tetrahydrophthalic anhydride
trans-1-Methylbutadiene

Downstream Product

4-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
2,4-dimethylisoindole-1,3-dione
(3-methyl)tetrahydrophthalic anhydride

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