2-Chloro-3-hydroxypropionic acid
2-Chloro-3-hydroxypropionic acid (CAS: 138250-73-4; C3H5ClO3) is a versatile organic compound with a molecular weight of 124.52 g/mol. This alpha-chloro beta-hydroxy carboxylic acid serves as a valuable building block in organic synthesis. It is typically employed in the preparation of more complex molecules within the pharmaceutical and fine chemical industries, offering a functionalised three-carbon scaffold for further chemical transformations.
- IUPAC
- 2-Chloro-3-hydroxypropanoic acid

Organic Synthesis Intermediate
2-Chloro-3-hydroxypropionic acid is primarily utilised as an intermediate in the synthesis of various organic compounds. Its bifunctional nature, featuring both a carboxylic acid and a secondary alcohol along with an alpha-chloro substituent, allows for diverse reaction pathways.
Pharmaceutical Building Block
This compound serves as a crucial building block in the development of pharmaceutical agents. The specific arrangement of functional groups can be exploited to construct chiral centres or introduce desired structural motifs into drug candidates.
Fine Chemical Manufacturing
It finds application in the broader fine chemical sector, contributing to the creation of speciality chemicals. Its utility lies in its ability to introduce specific chemical functionalities into target molecules.
| Molecular weight | 124.52 |
|---|---|
| Empirical formula | C3H5ClO3 |
| Assay | 95% |
| Storage temperature | 2-8°C |
| Melting point | 52-56 °C |
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
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 2-Chloro-3-hydroxypropionic acid used for?
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2-Chloro-3-hydroxypropionic acid is primarily used as an intermediate and building block in organic synthesis, particularly within the pharmaceutical and fine chemical industries for the construction of more complex molecules.
What is the CAS number and formula for 2-Chloro-3-hydroxypropionic acid?
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The CAS number for 2-Chloro-3-hydroxypropionic acid is 138250-73-4, and its molecular formula is C3H5ClO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-3-hydroxypropionic acid with an assay of 95%. This product is not represented as USP, BP, EP, or any pharmacopoeia grade; it is suitable for research and general chemical synthesis purposes.
How should 2-Chloro-3-hydroxypropionic acid be handled and stored?
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Handle 2-Chloro-3-hydroxypropionic acid with appropriate personal protective equipment as indicated by precautionary statements P280, P301 + P310, P305 + P351 + P338, and P310. It should be stored at 2-8°C.
How is 2-Chloro-3-hydroxypropionic acid packed, shipped, and exported?
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2-Chloro-3-hydroxypropionic acid is carefully packed to maintain its integrity during transit. Tech Serve Solutions has extensive experience in exporting chemicals globally, ensuring compliance with all relevant shipping regulations.
How can I request a sample or quote for 2-Chloro-3-hydroxypropionic acid?
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To request a sample or a quotation for 2-Chloro-3-hydroxypropionic acid, please contact our sales department through the website or by telephone, providing your specific requirements.
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