C4H5NO2
99.09 g/mol
Industrial ChemicalWarning
Pyrrolidine-2,5-dione
CAS123-56-8EC204-635-6
Category
Industrial Chemical
Compound Class
Amide
Primary Use
industrial intermediate for chemical synthesis
Pyrrolidine-2,5-dione is an organic compound that serves as an industrial intermediate for chemical synthesis. It features a five-membered ring structure with two amide groups, making it a versatile building block in various chemical processes.
industrial intermediate for chemical synthesis
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
Propionic anhydride
CAS123-62-6
esterifying agent and chemical intermediate
ReferenceSame Category
Butyraldehyde
CAS123-72-8
Manufacturing of rubber accelerators and synthetic resins
ReferenceSame Category
(2E)-crotonaldehyde
CAS123-73-9
Synthesis of sorbic acid and other organic chemicals
ReferenceSame Category
Levulinic acid
CAS123-76-2
Flavoring agent and chemical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Pyrrolidine-2,5-dione (CAS 123-56-8) is 2925.19.
HS code (international, 6-digit)
2925.19
EU CN code (8-digit)
2925 19 95
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
pyrrolidine-2,5-dione
InChIKey
KZNICNPSHKQLFF-UHFFFAOYSA-N
SMILES
C1CC(=O)NC1=O
Synonyms (20)
- 2, mercury(2+) salt
- 2,5-Diketopyrrolidine
- 2,5-Dioxopyrrolidine
- 2,5-Pyrrolidinedione
- 3,4-Dihydropyrrole-2,5-dione
- 3,4-Dihydropyrrolidine
- Butanimide
- Dihydro-3-pyrroline-2,5-dione
- Lubrizol 6406
- Mercury, disuccinimido-
- SUCCINIMIDE [MART.]
- Succinic acid imide
- Succinic imide
- Succinimide, mercury(2+) salt
- Succinimide-sauba
- azolidine-2,5-dione
- cis-succinimide
- pyrroldine-2,5-dione
- pyrrolidine-2,5-dione
- succinimid
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