Chlorosuccinic acid
Chlorosuccinic acid (CAS 16045-92-4), also known as 2-chlorobutanedioic acid, is a halogenated dicarboxylic acid with the linear formula HOOCCH₂CHClCOOH and a molecular weight of 152.53 g/mol. This compound serves as a valuable building block in organic synthesis, particularly in the development of polymers and advanced materials. Its reactive nature allows for diverse chemical transformations, making it a key intermediate for specialised applications within the scientific community.
- IUPAC
- 2-Chlorobutanedioic acid

Monomer for Polymer Synthesis
Chlorosuccinic acid can be utilised as a monomer in the synthesis of polymers. Its dicarboxylic acid functionality allows for polymerisation reactions, while the chlorine atom offers a site for further modification or cross-linking, contributing to the development of specialised polymeric materials.
Intermediate in Organic Synthesis
As a functionalised dicarboxylic acid, chlorosuccinic acid acts as an intermediate in various organic synthesis pathways. It can be employed in the creation of complex molecules and heterocyclic compounds relevant to pharmaceutical and materials science research.
Materials Science Research
The compound's unique structure makes it suitable for research in materials science, where it can be incorporated into novel materials to impart specific properties. Its role as a building block facilitates the exploration of new chemical structures with tailored functionalities.
| Molecular weight | 152.53 |
|---|---|
| Linear formula | HOOCCH2CHClCOOH |
| Assay | 96% |
| Impurities tested | 4% fumaric acid |
| Melting point | 150-153 °C(lit.) |

Hazard statements
- 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 | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 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 Chlorosuccinic acid used for?
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Chlorosuccinic acid is used as a monomer for polymer synthesis, an intermediate in organic synthesis, and in materials science research.
What is the CAS number and chemical formula for Chlorosuccinic acid?
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The CAS number is 16045-92-4 and the linear formula is HOOCCH₂CHClCOOH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Chlorosuccinic acid with an assay of 96%, containing 4% fumaric acid as an impurity. This product is typically supplied for research and industrial use, and is not represented as USP, BP, or EP grade.
What are the primary safety hazards associated with Chlorosuccinic acid?
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Chlorosuccinic acid is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eyeshields, faceshields, gloves, and suitable respiratory protection, must be used when handling this substance.
How is Chlorosuccinic acid shipped and exported?
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Chlorosuccinic acid is shipped under UN 3261, Class 8, Packing Group II. Tech Serve Solutions, established in 1998, is an experienced global supplier and exporter of fine chemicals, ensuring compliance with international shipping regulations.
How can I request a sample or quote for Chlorosuccinic acid?
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To request a sample or a quotation for Chlorosuccinic acid, please contact the Tech Serve Solutions sales department through our website or by phone.
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