Basic information
CAS NO
11070-44-3;19438-64-3;34090-76-1
EINECS
234-290-7;251-823-9
Molecular Formula
C9H10O3
Molecular Weight
166.1766
English Name
3a-methyl-5,6-dihydro-4H-isobenzofuran-1,3-dione
Synonyms
tetrahydromethylphthalic anhydride, Tetrahydromethyl-1,3-isobenzofurandione, 4-Methyl tetrahydro phthalic anhydride, 1,3-Isobenzofurandione, tetrahydromethyl, 3a-methyl-3a,4,5,6-tetrahydro-2-benzofuran-1,3-dione, 7a-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione, 1,3-Isobenzofurandione, tetrahydromethyl-, cis-4-Methyl-1,2,3,6-tetrahydrophthalic anhydride, 4-Methyl Tetrahydrophthalic Anhydride, 4-Methylcyclohexane-1,2-dicarboxylic anhydride, 5-methyl-4,5,6,7-tetrahydro-2-benzofuran-1,3-dione, 6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione, 4-Methylhexahydrophthalic anhydride, MeH-HPA, MTHPA, Methyl tetrahydrophthalic anhydride, Methyltetrahydrophthalic anhydride, Methy tetra-Hydro Phthalic Anhydride, Methyltetrahydrophthalicanhydride, Methyl tetrahydro phthalic anhydride
Physical and Chemical Properties
Density
1.251g/cm3
Refractive index
1.53
Boiling point
292.4°C at 760 mmHg
Flash point
136.1°C
Vapour Pressure
0.00184mmHg at 25°C
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