Molekula
3-Butenoic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
3-Butenoic acid is an unsaturated carboxylic acid used in organic synthesis and as a building block in pharmaceutical and polymer research. It is a clear, colorless liquid with a pungent odor. CAS number: 625-38-7; molecular formula: CH₂=CHCH₂COOH; molecular weight: 86.09 g/mol; store at 2 to 8 °C. Signal word: Danger. Molekula supplies 3-Butenoic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Colourless liquid |
| Refractive Index | 1.4225 |
| Purity | ≥97.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | 65 °C |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90032368 |
| CAS Number | 625-38-7 |
| IUPAC Name | but-3-enoic acid |
| EC Number | 210-892-5 |
| Molecular Formula | CH2=CHCH2COOH |
| Molecular Weight | 86.09 |
| Exact Mass | 86.0368 |
| SMILES | C=CCC(=O)O |
| InChIKey | PVEOYINWKBTPIZ-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H6O2/c1-2-3-4(5)6/h2H,1,3H2,(H,5,6) |
| PubChem CID | 32743 |
| UN Number | UN3265 |
| REACH Code | Y110 |
| HTS Code | 29161950 |
| Tariff Code | 2916199590 |
Safety & GHS
-
Corrosive
GHS05
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H227 Combustible liquid
- H290 May be corrosive to metals
- H302 Harmful if swallowed
- H314 Causes severe skin burns and eye damage
- H317 May cause an allergic skin reaction
- H341 Suspected of causing genetic defects
- H351 Suspected of causing cancer
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
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.
Synonyms
- 2-propenylcarboxylic acid
- 3-buten-1-oic acid
- Acetic acid, ethenyl-
- allylic acid
- beta-Butenoic acid
- But-3-enoic acid
- C4:1n-1
- ethenylacetic acid
- Vinylacetic acid
- Vinylessigsaeure
Frequently asked questions
What is 3-Butenoic acid used for?
3-Butenoic acid is primarily used as an intermediate in organic synthesis, particularly in the production of polymers and pharmaceuticals.
What is the chemical formula and molecular weight of 3-Butenoic acid?
The formula is CH2=CHCH2COOH and the molecular weight is 86.09 g/mol.
How should 3-Butenoic acid be stored?
It should be stored at 2 to 8 °C, protected from light and moisture.
What grade is available for 3-Butenoic acid?
Available in technical grade; specific purity details can be provided upon request.
Can Molekula supply 3-Butenoic acid in bulk?
Yes, Molekula can supply 3-Butenoic acid in bulk quantities—please contact sales for pricing and availability.
What documentation comes with an order of 3-Butenoic acid?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation is available 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.