Molekula
Propiolic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch
Propiolic acid is a highly reactive alkyne carboxylic acid used in organic synthesis, particularly in the formation of heterocycles and as a building block in pharmaceutical and agrochemical research. It also serves as a laboratory reagent for preparing transition metal complexes, haloalkyl propiolates and halopropenoates, and has been used outside the US for nematode control in agriculture. It is a colorless to pale yellow liquid with a pungent odor. CAS: 471-25-0, molecular formula: C3H2O2, molecular weight: 70.05 g/mol. Store at 2 to 8 °C. Signal word: Danger. Molekula supplies Propiolic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.
Overview
- SKU
- 17598520
- CAS Number
- 471-25-0
- IUPAC Name
- prop-2-ynoic acid
- EC Number
- 207-437-8
- Molecular Formula
- C3H2O2
- Molecular Weight
- 70.05
- Exact Mass
- 70.0055
- SMILES
- C#CC(=O)O
- InChIKey
- UORVCLMRJXCDCP-UHFFFAOYSA-N
- InChI
- InChI=1S/C3H2O2/c1-2-3(4)5/h1H,(H,4,5)
- PubChem CID
- 10110
Synonyms
- 2-Propynoic acid
- Acetylenecarboxylic acid
- Carboxyacetylene
- prop-2-ynoic acid
- Propargylic acid
- propinic acid
- Propinsaeure
- Propiolic acidd
- Propiolsaeure
- Propynoic acid
Literature values
Published physical properties of the substance, not batch specifications.
- Appearance
- Crystals or liquid
- Odour
- Odor resembling acetic acid
- Melting Point
- 18 °C
- Boiling Point
- 144 °C (decomposes)
- Density
- 1.1380 g/cm³ at 20 °C
- Water Solubility
- Miscible with water
- Solubility (other solvents)
- Very soluble in water, ether, ethanol, chloroform
- Vapour Pressure
- 3.5 mmHg
- Refractive Index
- 1.4306
Source: PubChem CID 10110 (HSDB, Haz-Map)
Frequently asked questions
What is propiolic acid used for?
Propiolic acid is primarily used as a building block in organic synthesis, particularly in the production of pharmaceuticals and specialty chemicals.
What is the chemical formula and molecular weight of propiolic acid?
The chemical formula is C3H2O2, and the molecular weight is 70.05 g/mol.
How should propiolic acid be stored?
Propiolic acid should be stored at temperatures between 2 to 8 °C to maintain stability and prevent decomposition.
What grade of propiolic acid does Molekula supply?
Molekula supplies propiolic acid in technical grade; specific purity details are available upon request.
Can Molekula supply propiolic acid in bulk quantities?
Yes, Molekula can supply propiolic acid in bulk quantities—please contact our sales team for volume pricing and availability.
What documentation comes with a purchase of propiolic acid?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
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Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.