exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride

外-3,6-环氧-1,2,3,6-四氢邻苯二甲酸酐

Also known as: exo-7-Oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride, (3aR,4S,7R,7aS)-3a,4,7,7a-Tetrahydro-4,7-epoxy-2-benzofuran-1,3-dione, 4,7-Epoxyisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, (3aR,4S,7R,7aS)-, exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride 97%, exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride 98+%, MFCD00151506, EINECS 226-570-2, anhydride of rel-(1R,2S,3R,4S)-7-oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid

exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride (CAS 6118-51-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6O4 and a molecular weight of 166.131 g/mol. It is also known as exo-7-Oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride, (3aR,4S,7R,7aS)-3a,4,7,7a-Tetrahydro-4,7-epoxy-2-benzofuran-1,3-dione and 4,7-Epoxyisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, (3aR,4S,7R,7aS)-. Key properties include a melting point of 118ºC, a boiling point of 372.0±42.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 172.2±27.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6118-51-0
Jingsj CID
J-46689-3
Molecular Formula
C8H6O4
Chinese Name
外-3,6-环氧-1,2,3,6-四氢邻苯二甲酸酐
Molecular Weight
166.131 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point118ºC
Boiling Point372.0±42.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point172.2±27.9 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride?

The CAS number of exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride is 6118-51-0.

What are the molecular formula and molecular weight of exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride?

exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride has molecular formula C8H6O4 and molecular weight 166.131 g/mol.

Is exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride hazardous?

exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride (CAS 6118-51-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46689-3 (accessed 2026-10-22).

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