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Home > Product > Material & Chemicals > Polymer/Macromolecule > Hexahydro-4-methylphthalic anhydride

Hexahydro-4-methylphthalic anhydride | CAS Number: 19438-60-9

Catalog Number
ACM19438609
Product Name
Hexahydro-4-methylphthalic anhydride
Structure
CAS Number
19438-60-9
EC Number
243-072-0
IUPAC Name
5-methyl-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione
Synonyms
HEXAHYDRO-4-METHYLPHTHALIC ANHYDRIDE;HEXAHYDRO-3-METHYLPHTHALIC ANHYDRIDE;3-METHYL-1,2-CYCLOHEXANEDICARBOXYLIC ANHYDRIDE;4-METHYL-1,2-CYCLOHEXANEDICARBOXYLIC ANHYDRIDE;4-METHYLCYCLOHEXANE-1,2-DICARBOXYLIC ANHYDRIDE;MHHPA;3-Isobenzofurandione,hexahydro-5-m
Molecular Weight
168.19
Exact Mass
168.07900
Molecular Formula
C9H12O3
Boiling Point
120ºC (1 mmHg)
Melting Point
-29ºC
Flash Point
140ºC
Density
1.162
Purity
96%
Appearance
clear liquid
SMILES
CC1CCC2C(C1)C(=O)OC2=O
InChIKey
FKBMTBAXDISZGN-UHFFFAOYSA-N
H-Bond Donor
0
H-Bond Acceptor
3
Safty Description
S22-S24-S26-S37/39
Hazard Statements
Xn:Harmful;
WGK Germany
1
Stability
Stable at room temperature in closed containers under normal storage and handling conditions.
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1An Exceptionally Facile Two-Step Structural Isomerization and Detoxication via a Water-Assisted Double Lossen Rearrangement.

Li F1, Huang CH1, Xie LN1, Qu N1, Shao J1, Shao B1, Zhu BZ1,2.

Sci Rep. 2016 Dec 23;6:39207. doi: 10.1038/srep39207.

N-hydroxyphthalimide (NHPI), which is best known as an organocatalyst for efficient C-H activation, has been found to be oxidized by quinoid compounds to its corresponding catalytically active nitroxide-radical. Here, we found that NHPI can be isomerized into isatoic anhydride by an unusually facile two-step method using tetrachloro-1,4-benzoquinone (TCBQ, p-chloranil), accompanied by a two-step hydrolytic dechlorination of highly toxic TCBQ into the much less toxic dihydroxylation product, 2,5-dichloro-3,6-dihydroxy-1,4-benzoquinone (chloranilic acid). Read More

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