(-)-trans-1,2-cyclohexanedicarboxylic anhydride

(-)-反-1,2-环己烷二羧酸酐

Also known as: (-)-trans-1,2-cyclohexanedicarboxylic anhydride, (3aS,7aS)-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione, (3aS,7aS)-hexahydroisobenzofuran-1,3-dione, (S,S)-cyclohexane-1,2-dicarboxylic anhydride, trans-hexahydrophthalic anhydride, 1,3-isobenzofurandione, hexahydro-, (3aS,7aS)-

(-)-trans-1,2-cyclohexanedicarboxylic anhydride (CAS 31982-85-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C8H10O3 and a molecular weight of 154.163 g/mol. It is also known as (3aS,7aS)-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione, (3aS,7aS)-hexahydroisobenzofuran-1,3-dione and (S,S)-cyclohexane-1,2-dicarboxylic anhydride. Key properties include a melting point of 166ºC, a boiling point of 283.4±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 143.9±16.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 31982-85-1
Jingsj CID: J-871-6
Molecular Formula: C₈H₁₀O₃
Chinese Name: (-)-反-1,2-环己烷二羧酸酐
Molecular Weight: 154.163 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	166ºC
Boiling Point	283.4±0.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	143.9±16.5 °C

Frequently Asked Questions

What is the CAS number of (-)-trans-1,2-cyclohexanedicarboxylic anhydride?

The CAS number of (-)-trans-1,2-cyclohexanedicarboxylic anhydride is 31982-85-1.

What are the molecular formula and molecular weight of (-)-trans-1,2-cyclohexanedicarboxylic anhydride?

(-)-trans-1,2-cyclohexanedicarboxylic anhydride has molecular formula C8H10O3 and molecular weight 154.163 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "(-)-trans-1,2-cyclohexanedicarboxylic anhydride (CAS 31982-85-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-871-6 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.