3-Butenoic acid
3-Butenoic acid (CAS 625-38-7), a carboxylic acid with the linear formula CH₂=CHCH₂COOH, is a chemical intermediate supplied by Tech Serve Solutions. With a molecular weight of 86.09 g/mol, this compound serves as a valuable building block in organic synthesis. Its applications span various chemical manufacturing processes, contributing to the creation of diverse organic molecules. It is supplied at a purity of 97%.
- IUPAC
- Vinylacetic acid

Organic Synthesis
3-Butenoic acid is utilised as a key building block in the synthesis of more complex organic molecules. Its reactive vinyl and carboxylic acid functionalities allow for diverse chemical transformations.
Chemical Intermediate
This compound functions as an intermediate in the production of various fine chemicals and specialty materials. Its structure is amenable to a range of chemical reactions.
Research and Development
Researchers employ 3-Butenoic acid in laboratory settings for exploring new synthetic pathways and developing novel chemical entities. Its defined structure makes it a useful reagent.
| Molecular weight | 86.09 |
|---|---|
| Linear formula | CH2=CHCH2COOH |
| Assay | 97% |
| Grade | purum |
| Boiling point | 163 °C(lit.) |
| Density | 1.013 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.423(lit.) |
| Melting point | −39 °C(lit.) |
| Storage temperature | 2-8°C |
| Contains / stabiliser | hydroquinone as inhibitor |


Hazard statements
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 65 °C / 149 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | C |
| Risk statements (R) | 22-34 |
| Safety statements (S) | 26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3-Butenoic acid used for?
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3-Butenoic acid is primarily used as a building block in organic synthesis and as a chemical intermediate for the production of various organic compounds. It is also utilised in research and development settings.
What are the CAS number and formula for 3-Butenoic acid?
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The CAS number for 3-Butenoic acid is 625-38-7 and its linear formula is CH₂=CHCH₂COOH.
What grade and purity does Tech Serve Solutions supply for 3-Butenoic acid?
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Tech Serve Solutions supplies 3-Butenoic acid with an assay of 97% and a 'purum' grade. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling precautions for 3-Butenoic acid?
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3-Butenoic acid is classified as Danger, causing severe skin burns and eye damage (H314) and is harmful if swallowed (H302). Appropriate personal protective equipment including gloves, eye protection, and respiratory protection should be used. Handle in a well-ventilated area and avoid contact with skin and eyes.
How is 3-Butenoic acid packed, shipped, and exported?
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3-Butenoic acid is carefully packed according to international shipping regulations to ensure safe transport. Tech Serve Solutions is experienced in exporting chemicals globally.
How can I request a quote or sample for 3-Butenoic acid?
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To request a quote or a sample of 3-Butenoic acid, please contact our sales team through the website or by phone. Specify the quantity and any specific requirements you may have.
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