3-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride
Also known as: 4-Methyl-1,2,3,6-tetrahydrophthalic anhydride, 3-Methyltetrahydrophthalic anhydride, 4-Methyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione, 4-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride, MTHPA, 3-Methyl-1,2,3,6-tetrahydrophthalic anhydride, Maleic anhydride and 1,3-pentadiene adduct, 4-MTHPA
3-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride (CAS 5333-84-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O3 and a molecular weight of 166.174 g/mol. Key properties include a melting point of 62°C, a boiling point of 303.0±41.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 142.9±24.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5333-84-6
- Jingsj CID
- J-49120-3
- Molecular Formula
- C9H10O3
- Molecular Weight
- 166.174 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 62°C |
|---|---|
| Boiling Point | 303.0±41.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 142.9±24.8 °C |
| Exact Mass | 166.062988 |
| PSA | 43.37000 |
| LogP | 0.57 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.508 |
Customs & Trade Information
| 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% |
Frequently Asked Questions
What is the CAS number of 3-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride?
The CAS number of 3-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride is 5333-84-6.
What are the molecular formula and molecular weight of 3-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride?
3-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride has molecular formula C9H10O3 and molecular weight 166.174 g/mol.
What are the upstream and downstream products of 3-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride?
For 3-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride, Upstream Products: trans-1,3-pentadiene, Fumaric acid, N,N-Dibutylaniline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride (CAS 5333-84-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49120-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.