C3H2O2
70.05 g/mol
Research ReagentDanger
PROPIOLIC ACID
CAS471-25-0EC207-437-8
Category
Research Reagent
Compound Class
Organic Acid
Primary Use
Research Compound
Propiolic acid is a short-chain, terminal acetylenic fatty acid with a three-carbon backbone and one acetylenic bond. It is a monounsaturated and alpha,beta-unsaturated monocarboxylic acid, and is recognized as a xenobiotic metabolite.
Laboratory reagentSynthesis of transition metal complexesSynthesis of haloalkyl propiolates and halopropenoates
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
Safety Reference
Danger
H226Flammable liquid and vapour
H301Toxic if swallowed
H310Fatal in contact with skin
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H335May cause respiratory irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for PROPIOLIC ACID (CAS 471-25-0) is 2916.19.
HS code (international, 6-digit)
2916.19
EU CN code (8-digit)
2916 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
prop-2-ynoic acid
InChIKey
UORVCLMRJXCDCP-UHFFFAOYSA-N
SMILES
C#CC(=O)O
Synonyms (19)
- A1BXY
- 2-PROPYNE-1-CARBOXYLIC ACID
- 2-Propynoic acid
- Acetylenecarboxylic acid
- Acetylenemonocarboxylate
- Carboxyacetylene
- HC.$.CCOOH
- HC.equiv.CCOOH
- PROPIOLIC ACID
- Propargylic acid
- Propinsaeure
- Propiolic acidd
- Propiolsaeure
- Propynoic acid
- acetylenemonocarboxylic acid
- prop-2-ynoic acid
- propinic acid
- propiolate
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