Chlorpropham
Chlorpropham (CAS: 101-21-3) is an organic compound with the molecular formula C10H12NO2Cl and a molecular weight of 213.66 g/mol. It presents as a light tan crystalline solid. Primarily recognised for its herbicidal properties, Chlorpropham has been historically used in agriculture. It also finds utility as a chemical intermediate in organic synthesis, serving as a building block for more complex molecules.
- IUPAC
- Chloro-ICP,Chloropropham,Isopropyl N-(3-chlorophenyl)carbamate

Herbicidal Agent
Chlorpropham has been employed as a selective herbicide. It functions by inhibiting cell division in susceptible plants, primarily targeting germinating seeds and sprouts. Its application has historically been in the control of weeds in various agricultural settings.
Chemical Intermediate
As a carbamate derivative, Chlorpropham serves as a valuable building block in organic synthesis. It can be utilised in the preparation of other fine chemicals and pharmaceutical intermediates, owing to its reactive functional groups.
Research and Development
Chlorpropham is available for use in research laboratories. Its properties make it a subject of study in fields such as agricultural chemistry, environmental science, and organic synthesis.
| Molecular weight | 213.66 |
|---|---|
| Linear formula | C10H12NO2Cl |
| Assay | ~95% |
| Form | crystalline |
| Colour | light tan |


Hazard statements
- H351Suspected of causing cancer
- H373May cause damage to organs through prolonged exposure
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P281Use personal protective equipment as required
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-51/53 |
| Safety statements (S) | 61 |
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 Chlorpropham used for?
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Chlorpropham (CAS: 101-21-3) has been primarily used as a selective herbicide to control weed growth in agriculture. It also functions as a chemical intermediate in organic synthesis.
What is the CAS number and formula for Chlorpropham?
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The CAS number for Chlorpropham is 101-21-3, and its molecular formula is C10H12NO2Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Chlorpropham with an assay of approximately 95%. This product is supplied for research and laboratory use and is not represented as USP, BP, or EP grade.
How should Chlorpropham be handled safely?
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Chlorpropham is classified with GHS08 and GHS09 symbols, with a signal word of Warning. It carries hazard statements H351 (Suspected of causing cancer) and H373 (May cause damage to organs through prolonged or repeated exposure), and H411 (Toxic to aquatic life with long lasting effects). Appropriate personal protective equipment including a dust mask (N95 US type), eyeshields, and gloves should be used. Handle in a well-ventilated area and avoid release to the environment. Consult the Safety Data Sheet for comprehensive handling information.
Is Chlorpropham a controlled substance?
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The provided data does not indicate that Chlorpropham (CAS: 101-21-3) is a controlled substance under standard chemical regulations. However, users should verify local regulations.
How is Chlorpropham packed and shipped?
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Chlorpropham is shipped as a UN 3077 substance, class 9, packing group III, indicating it is an environmentally hazardous substance, solid, n.o.s. It is carefully packaged for export by Tech Serve Solutions to ensure safe transit.
How can I request a sample or quote for Chlorpropham?
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To request a sample or a quote for Chlorpropham, please contact the Tech Serve Solutions sales team through our website or by phone. Specify the quantity and intended use for prompt service.
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