C5H4O3
112.08 g/mol
Industrial ChemicalDanger
Citraconic Anhydrides
CAS616-02-4EC210-459-0
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
Monomer for unsaturated polyester resins
Citraconic Anhydrides is an industrial chemical reported in natural sources such as coffee and Schisandra chinensis. It is primarily significant as a monomer for the production of specialty unsaturated polyester resins and as an analytical reagent for alkalies, alcohols, and amines.
Monomer for specialty unsaturated polyester resinsAnalytical reagent for alkalies, alcohols, and amines
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
1,3-diamino-2-propanol
CAS616-29-5
chemical intermediate
ReferenceSame Category
Dimethyl carbonate
CAS616-38-6
Specialty solvent and organic synthesis reagent
ReferenceSame Category
2-pyrrolidone
CAS616-45-5
Solvent and monomer for copolymers
ReferenceSame Category
1-methylimidazole
CAS616-47-7
specialty solvent and base
Referencesame scaffold
3,4-Difluorofuran-2,5-dione
CAS669-78-3
research compound
Referencesame scaffold
Dimethylmaleic anhydride
CAS766-39-2
research compound
Referencesame scaffold
Maleic anhydride
CAS108-31-6
Diels-Alder syntheses and copolymerization reactions
Referencesame scaffold
Acrylic acid-maleic anhydride copolymer
CAS26677-99-6
polymer intermediate
Safety Reference
Danger
H311Toxic in contact with skin
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H318Causes serious eye damage
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Citraconic Anhydrides (CAS 616-02-4) is 2917.19.
HS code (international, 6-digit)
2917.19
EU CN code (8-digit)
2917 19 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
3-methylfuran-2,5-dione
InChIKey
AYKYXWQEBUNJCN-UHFFFAOYSA-N
SMILES
CC1=CC(=O)OC1=O
Synonyms (23)
- 2 Methylmaleic Anhydride
- 2,5-Furandione, 3-methyl-
- 2,5-Furanedione, 3-methyl
- 3-Methyl-2,5-furandione
- 3-Methylmaleic anhydride
- 3-methyl-2,5-pentanedione
- 3-methylfuran-2,5-dione
- Anhydrid kyseliny citrakonove
- Anhydride, 2-Methylmaleic
- Anhydride, Citraconic
- Anhydrides, Citraconic
- Anhydrides, Methylmaleic
- Citraconic Anhydrides
- Citraconic acid anhydride
- Citraconic anhydride
- METHYLMALEIC ANHYDRIDE
- Maleic anhydride, methyl-
- Methylmaleic Anhydrides
- Monomethylmaleic anhydride
- methyl-maleic acid anhydride
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