3-Mercaptopropionic acid
3-Mercaptopropionic acid (CAS: 107-96-0) is an organic sulfur compound with the linear formula HSCH2CH2CO2H and a molecular weight of 106.14 g/mol. This colourless liquid is characterised by its thiol and carboxylic acid functionalities, making it a versatile intermediate in chemical synthesis. It finds use as a building block in the creation of polymers, pharmaceuticals, and agrochemicals.
- Synonyms
- 3-Mercaptopropanoic acid3-Mercapto-propanoic acidbeta-Mercaptopropionic acid2-Mercaptopropionic acid
Polymerisation Modifier
3-Mercaptopropionic acid acts as a chain transfer agent in free radical polymerisation, controlling molecular weight and improving polymer properties. It is particularly useful in the synthesis of acrylic polymers and elastomers.
Pharmaceutical Intermediate
Its dual functionality allows for diverse synthetic transformations, enabling its use as a key building block in the development of various active pharmaceutical ingredients (APIs).
Surface Modification
The thiol group can readily bind to metal surfaces, facilitating its application in surface functionalisation and the creation of self-assembled monolayers for materials science.
Agrochemical Synthesis
It serves as a precursor in the synthesis of certain pesticides and herbicides, contributing to the development of crop protection agents.
| Molecular weight | 106.14 |
|---|---|
| Linear formula | HSCH2CH2CO2H |
| Assay | ≥99.0% (HPLC) |
| Boiling point | 110-111 °C/15 mmHg(lit.) |
| Density | 1.218 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.492(lit.)n20/D 1.493 |
| Vapour pressure | 0.04 mmHg (20 °C) |
| Melting point | 15-18 °C(lit.) |
| Autoignition temp | 662 °F |
Hazard statements
- H301Toxic if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- 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 | 93 °C / 199.4 °F |
| Transport (UN / ADR) | UN 2922 8/PG 2 |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-34 |
| Safety statements (S) | 7-26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | absorption/270 nm cut-off |
|---|
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-Mercaptopropionic acid used for?
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3-Mercaptopropionic acid is used as a building block in chemical synthesis, notably in the production of polymers, pharmaceutical intermediates, and agrochemicals. It also finds application in surface modification.
What is the CAS number and formula for 3-Mercaptopropionic acid?
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The CAS number is 107-96-0, and its linear formula is HSCH2CH2CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Mercaptopropionic acid with an assay of ≥99.0% (HPLC). We do not represent this product as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated in the product specifications.
How should 3-Mercaptopropionic acid be handled safely?
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3-Mercaptopropionic acid is classified as Danger, causing severe skin burns and eye damage (H314) and is toxic if swallowed (H301). Appropriate personal protective equipment, including gloves, goggles, and face shields, must be worn. Respiratory protection and adequate ventilation are essential. Refer to the Safety Data Sheet for full handling instructions.
Is 3-Mercaptopropionic acid a controlled substance?
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Based on the provided data, 3-Mercaptopropionic acid is not listed as a controlled or scheduled substance.
How is 3-Mercaptopropionic acid packed, shipped, and exported?
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3-Mercaptopropionic acid is packed according to industry standards for hazardous materials. Tech Serve Solutions is experienced in global export and ensures compliance with all relevant shipping regulations.
How can I request a quote or sample of 3-Mercaptopropionic acid?
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To request a quote or sample, please contact our sales team through the website or by phone, providing your specific requirements.
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