Molekula
Propiolic acid
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 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.
Overview
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 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.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear liquid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | 58 C |
| Transport Class | 8 (3) |
| Packing Group | II |
| Shelf Life | 24 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| CAS Number | 471-25-0 |
| Molecular Formula | C3H2O2 |
| Molecular Weight | 70.05 |
| EC / UN Number | 2920 |
| REACH Code | Y110 |
| Tariff Code | 29161995 |
Safety & GHS
-
Oxidizing
GHS03
-
Compressed Gas
GHS04
-
Corrosive
GHS05
Hazard statements
- H226 Flammable liquid and vapour
- H301 Toxic if swallowed
- H310 Fatal in contact with skin
- H314 Causes severe skin burns and eye damage
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+334 IF ON SKIN: Immerse in cool water/wrap in wet bandages
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P310 Immediately call a POISON CENTER or doctor/physician
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
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.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.