4-Methyltetrahydrophthalic anhydride

Modify Date: 2024-01-04 17:48:31

4-Methyltetrahydrophthalic anhydride Structure
4-Methyltetrahydrophthalic anhydride structure
Common Name 4-Methyltetrahydrophthalic anhydride
CAS Number 3425-89-6 Molecular Weight 166.174
Density 1.2±0.1 g/cm3 Boiling Point 303.0±41.0 °C at 760 mmHg
Molecular Formula C9H10O3 Melting Point 59-60°C
MSDS N/A Flash Point 142.9±24.8 °C

 Names

Name 5-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 303.0±41.0 °C at 760 mmHg
Melting Point 59-60°C
Molecular Formula C9H10O3
Molecular Weight 166.174
Flash Point 142.9±24.8 °C
Exact Mass 166.062988
PSA 43.37000
LogP 0.57
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.508

 Safety Information

Hazard Codes Xn
Risk Phrases R41;R42/43
Safety Phrases S22-S24-S26-S37/39
RIDADR 3335
HS Code 2932999099

 Synthetic Route

~95%

4-Methyltetrahydrophthalic anhydride Structure

4-Methyltetrahy...

CAS#:3425-89-6

Literature: Zhu, Zuolin; Espenson, James H. Journal of the American Chemical Society, 1997 , vol. 119, # 15 p. 3507 - 3512

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4-Methyltetrahydrophthalic anhydride Structure

4-Methyltetrahy...

CAS#:3425-89-6

Literature: US4559405 A1, ;

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

Methyltetrahydrophthalic anhydride,MTHPA
5-Methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione
Isomethyltetrahydrophthalic anhydride
3a,4,7,7atetrahydro-5-methylisobenzofuran-1,3-dione
1,3-Isobenzofurandione,3a,4,7,7a-tetrahydro-5-methyl
1,2,3,6-Tetrahydro-4-methylphthalic anhydride
4,4-methyltetrahydrophthalic anhydride
4-Methyltetrahydrophthalic anhydride
4-methylcyclohex-4-ene-1,2-dicarboxylic acid anhydride
1,3-Isobenzofurandione, 3a,4,5,7a-tetrahydro-5-methyl-
4-Methyl-1,2,3,6-tetrahydrophthalic anhydride
EINECS 222-323-8
4-Methyl-4-cyclohexene-1,2-dicarboxylic Anhydride
MFCD00067707
4-Methyl-Δ4-tetrahydrophthalic Anhydride
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