3,4,5,6-Tetrahydrophthalic anhydride
3,4,5,6-四氢邻苯二甲酸酐
Also known as: 1-Cyclohexene-1,2-dicarboxylic anhydride, 4,5,6,7-Tetrahydroisobenzofuran-1,3-dione, 4,5,6,7-Tetrahydro-2-benzofuran-1,3-dione, Cyclohexene-1,2-dicarboxylic anhydride, Δ1-Tetrahydrophthalic anhydride, 3,4,5,6-THPA
- CAS No.
- 2426-02-0
- Jingsj CID
- J-49116-1
- Molecular Formula
- C8H8O3
- Chinese Name
- 3,4,5,6-四氢邻苯二甲酸酐
- Molecular Weight
- 152.147 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 69-73 °C(lit.) |
|---|---|
| Boiling Point | 302.3±11.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 146.1±16.5 °C |
GHS Safety & Compliance
Corrosion / Health HazardSignal word: Danger
Frequently Asked Questions
What is the CAS number of 3,4,5,6-Tetrahydrophthalic anhydride?
2426-02-0
What are the molecular formula and molecular weight of 3,4,5,6-Tetrahydrophthalic anhydride?
C8H8O3, molecular weight 152.147 g/mol
Is 3,4,5,6-Tetrahydrophthalic anhydride hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026