S

Succinic anhydride

IUPAC: oxolane-2,5-dione

C4H4O3 Organic Compounds CAS 108-30-5
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Quick Reference
Formula / NotationC4H4O3
CAS Number108-30-5
Molecular Weight100.07
Melting Point247.3 °F (NTP, 1992)
Boiling Point502 °F at 760 mmHg (NTP, 1992)
Density1.234 at 68 °F (NTP, 1992) - Denser than water; will sink
Solubilityless than 1 mg/mL at 70 °F (NTP, 1992)
AppearanceSuccinic anhydride appears as colorless needles or white crystalline solid. Melting point 237 °F. Sublimes at 239 °F at 5 mmHg pressure; and at 198 °F and 1 mmHg pressure. Moderately toxic and a...
Also Known Asoxolane-2,5-dione; 108-30-5; Succinic acid anhydride; Succinyl oxide; Dihydro-2,5-furandione; 2,5-Diketotetrahydrofuran; Butanedioic anhydride; Succinyl anhydride; 2,5-Furandione, dihydro-; Rikacid SA
CategoryOrganic Compounds

What is Succinic anhydride?

Succinic anhydride is a cyclic dicarboxylic anhydride and a tetrahydrofurandione. It is functionally related to a succinic acid.

Formula & Notation

C4H4O3

IUPAC Name: oxolane-2,5-dione

Other Names / Synonyms: oxolane-2,5-dione; 108-30-5; Succinic acid anhydride; Succinyl oxide; Dihydro-2,5-furandione; 2,5-Diketotetrahydrofuran; Butanedioic anhydride; Succinyl anhydride; 2,5-Furandione, dihydro-; Rikacid SA

Properties & Characteristics

Appearance: Succinic anhydride appears as colorless needles or white crystalline solid. Melting point 237 °F. Sublimes at 239 °F at 5 mmHg pressure; and at 198 °F and 1 mmHg pressure. Moderately toxic and a.... Molecular formula: C4H4O3. Molecular weight: 100.07 g/mol. Boiling point: 502 °F at 760 mmHg (NTP, 1992). Melting point: 247.3 °F (NTP, 1992). Density: 1.234 at 68 °F (NTP, 1992) - Denser than water; will sink. Solubility: less than 1 mg/mL at 70 °F (NTP, 1992). Vapor pressure: 1 mmHg at 197.6 °F ; 5 mmHg at 239.0 °F; 10 mmHg at 262.8 °F (NTP, 1992). LogP: -0.5.

Physical Data

PropertyValue
Melting Point247.3 °F (NTP, 1992)
Boiling Point502 °F at 760 mmHg (NTP, 1992)
Density1.234 at 68 °F (NTP, 1992) - Denser than water; will sink
Molecular Weight100.07
Solubilityless than 1 mg/mL at 70 °F (NTP, 1992)
AppearanceSuccinic anhydride appears as colorless needles or white crystalline solid. Melting point 237 °F. Sublimes at 239 °F at 5 mmHg pressure; and at 198 °F and 1 mmHg pressure. Moderately toxic and a...

Uses & Applications

Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.

Safety Information

Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Succinic anhydride
Formula C4H4O3
CAS Number 108-30-5
Molecular Weight 100.07
Synonyms oxolane-2,5-dione; 108-30-5; Succinic acid anhydride; Succinyl oxide; Dihydro-2,5-furandione; 2,5-Diketotetrahydrofuran; Butanedioic anhydride; Succinyl anhydride; 2,5-Furandione, dihydro-; Rikacid SA

Frequently Asked Questions

Succinic anhydride is a cyclic dicarboxylic anhydride and a tetrahydrofurandione. It is functionally related to a succinic acid.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.