2-Chlorobutyric acid
2-Chlorobutyric acid (CAS: 4170-24-5) is a carboxylic acid with the linear formula CH 3 CH 2 CHClCOOH and a molecular weight of 122.55 g/mol. This organic compound serves as a valuable building block in chemical synthesis. Its applications primarily involve its use as a precursor or intermediate in the creation of more complex organic molecules, contributing to advancements in various chemical research and development sectors.

Organic Synthesis Intermediate
2-Chlorobutyric acid is employed as an intermediate in various organic synthesis pathways. It can be utilised to introduce the chlorobutyryl moiety into target molecules.
Ester Synthesis
The compound has been documented in the synthesis of specific ester compounds. For instance, it was used in the preparation of 2-hydroxy-5-hexenyl 2-chlorobutyrate ester.
Research and Development
As a functionalised carboxylic acid, 2-Chlorobutyric acid is a useful reagent for researchers exploring new synthetic routes and developing novel chemical entities.
| Molecular weight | 122.55 |
|---|---|
| Linear formula | CH3CH2CHClCOOH |
| Assay | ≥97.0% (GC) |
| Boiling point | 90-92 °C/12 mmHg(lit.) |
| Density | 1.190 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.439 |
| Application | 2-Chlorobutyric acid was used in the synthesis of 2-hydroxy-5-hexenyl 2-chlorobutyrate ester1. |

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 | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3265 8 / PGIII |
| 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 2-Chlorobutyric acid used for?
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2-Chlorobutyric acid is used as a building block and intermediate in organic synthesis, including the preparation of ester compounds. It is valuable in research and development for creating new chemical entities.
What is the CAS number and formula for 2-Chlorobutyric acid?
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The CAS number for 2-Chlorobutyric acid is 4170-24-5. Its linear chemical formula is CH 3 CH 2 CHClCOOH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chlorobutyric acid with an assay of ≥97.0% (GC). We do not represent this product as USP, BP, or EP grade.
How should 2-Chlorobutyric acid be handled?
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2-Chlorobutyric acid is classified as Danger, with hazard statement H314 (Causes severe skin burns and eye damage). Appropriate personal protective equipment, including full-face respirators, chemical-resistant gloves, and eye protection (faceshields, goggles), must be used. Handle in a well-ventilated area and consult safety data sheets for detailed handling procedures.
Is 2-Chlorobutyric acid available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 2-Chlorobutyric acid, adhering to international shipping regulations.
How can I request a quote or sample?
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To request a quote or sample of 2-Chlorobutyric acid, please contact our sales team through the website or via the provided contact details.
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