CAS 5333-84-6|4-Methyl-1,2,3,6-tetrahydrophthalic Anhydride

Introduction：Basic information about CAS 5333-84-6|4-Methyl-1,2,3,6-tetrahydrophthalic Anhydride, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Synonyms

Common Name	4-Methyl-1,2,3,6-tetrahydrophthalic Anhydride
CAS Number	5333-84-6	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	62°C
MSDS	/	Flash Point	142.9±24.8 °C

Names

Name	3-Methyltetrahydrophthalic Anhydride
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	62°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
InChIKey	XPEKVUUBSDFMDR-UHFFFAOYSA-N
SMILES	CC1C=CCC2C(=O)OC(=O)C12

Safety Information

Hazard Codes	Xi
Risk Phrases	R36/37/38
Safety Phrases	S26-S36/37/39
HS Code	2932999099

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

5-Methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione

4-Methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione

4-Methyl-1,2,3,6-tetrahydrophthalic Anhydride

MFCD00014585

1,3-Isobenzofurandione, 3a,4,5,7a-tetrahydro-4-methyl-

1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-5-methyl-

3-Methyl-4-cyclohexene-1,2-dicarboxylic Anhydride

3-Methyltetrahydrophthalic anhydride

EINECS 226-247-6

4-Methyltetrahydrophthalic anhydride, 4-MTHPA

4-Methyl-4-cyclohexene-1,2-dicarboxylic Anhydride

3-Methyl-Δ4-tetrahydrophthalic Anhydride

4-Methyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione

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