4-Chlorophenoxyacetic acid
4-Chlorophenoxyacetic acid (CAS: 122-88-3; C8H7ClO3) is a chemical compound with a molecular weight of 186.59 g/mol. This white to off-white crystalline solid is primarily utilised as a plant growth regulator and in organic synthesis. It is supplied by Tech Serve Solutions with an assay of ≥98.0% (T) and is tested for suitability in plant cell culture. Its applications span agricultural research and the development of new chemical entities.
- IUPAC
- 4-CPA

Plant Growth Regulation
4-Chlorophenoxyacetic acid is widely recognised for its role as a plant growth regulator. It is employed in agricultural research and applications to influence plant development, flowering, and fruit set.
Organic Synthesis Intermediate
This compound serves as a valuable building block in organic synthesis. Its structure allows for further chemical modification, making it useful in the development of more complex molecules for research purposes.
Chemical Research Reagent
With an assay of ≥98.0% (T) and tested for suitability in plant cell culture, 4-Chlorophenoxyacetic acid is suitable for various laboratory research applications, contributing to advancements in chemical and biological sciences.
| Molecular weight | 186.59 |
|---|---|
| Empirical formula | C8H7ClO3 |
| Assay | ≥98.0% (T) |
| Suitability | plant cell culture tested |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 4-Chlorophenoxyacetic acid primarily used for?
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4-Chlorophenoxyacetic acid is primarily used as a plant growth regulator and as an intermediate in organic synthesis. It is also utilised in chemical research.
What is the CAS number and chemical formula for 4-Chlorophenoxyacetic acid?
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The CAS number is 122-88-3, and the chemical formula is C8H7ClO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Chlorophenoxyacetic acid with an assay of ≥98.0% (T). This is a technical grade, and TSS does not represent it as USP, BP, or EP.
What are the safety precautions when handling 4-Chlorophenoxyacetic acid?
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Based on GHS information, 4-Chlorophenoxyacetic acid is harmful if swallowed (H302). When handling, wear a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation.
How is 4-Chlorophenoxyacetic acid packed and shipped?
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4-Chlorophenoxyacetic acid is carefully packed to ensure safe transit and can be exported globally by Tech Serve Solutions. Specific packaging details are available upon request.
How can I request a quote or sample of 4-Chlorophenoxyacetic acid?
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To request a quote or a sample of 4-Chlorophenoxyacetic acid, please contact our sales team through the website or by phone, providing your details and requirements.
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