Introduction：Basic information about CAS 3425-89-6|4-Methyltetrahydrophthalic anhydride, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| 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 | / | 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 |
|---|
| InChIKey | OEMSKMUAMXLNKL-UHFFFAOYSA-N |
|---|
| SMILES | CC1=CCC2C(=O)OC(=O)C2C1 |
|---|
Safety Information
| Hazard Codes | Xn |
|---|
| Risk Phrases | R41;R42/43 |
|---|
| Safety Phrases | S22-S24-S26-S37/39 |
|---|
| RIDADR | 3335 |
|---|
| 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
| 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 |
