4-Chlorophenylhydrazine hydrochloride
4-Chlorophenylhydrazine hydrochloride (CAS 1073-70-7) is a chemical compound with the linear formula ClC<sub>6</sub>H<sub>4</sub>NHNH<sub>2</sub> · HCl and a molecular weight of 179.05 g/mol. This hydrazine derivative serves as a valuable building block in organic synthesis. It is primarily utilised in research and development settings for the creation of more complex molecular structures within the chemical and pharmaceutical industries. Its reliable assay of ≥98.0% ensures suitability for demanding synthetic applications.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of various organic compounds. Its hydrazine functionality is reactive and can be employed in cyclisation reactions and the formation of heterocyclic structures.
Pharmaceutical Research
Serves as a precursor or building block in the development of novel pharmaceutical agents. It is employed in research laboratories exploring new therapeutic compounds.
Chemical Building Block
A versatile reagent in academic and industrial research for constructing complex molecules. It is frequently used in methodologies requiring a functionalised hydrazine moiety.
| Molecular weight | 179.05 |
|---|---|
| Linear formula | ClC6H4NHNH2 · HCl |
| Assay | ≥98.0% (AT) |
| Melting point | 216 °C (dec.)(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| Safety statements (S) | 36/37 |
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-Chlorophenylhydrazine hydrochloride used for?
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4-Chlorophenylhydrazine hydrochloride (CAS 1073-70-7) is used as a building block in organic synthesis and pharmaceutical research for creating more complex molecular structures.
What are the CAS number and formula for 4-Chlorophenylhydrazine hydrochloride?
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The CAS number is 1073-70-7 and the linear formula is ClC<sub>6</sub>H<sub>4</sub>NHNH<sub>2</sub> · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Chlorophenylhydrazine hydrochloride with an assay of ≥98.0% (AT). This product is not represented as USP, BP, or EP grade.
How should 4-Chlorophenylhydrazine hydrochloride be handled?
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Handling requires appropriate personal protective equipment including a dust mask type N95 (US), eyeshields, and gloves. It is classified as harmful if swallowed, in contact with skin, or if inhaled (H302-H312-H332), and requires careful handling in a well-ventilated area.
Is 4-Chlorophenylhydrazine hydrochloride a controlled substance?
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Based on the provided data, there is no indication that 4-Chlorophenylhydrazine hydrochloride (CAS 1073-70-7) is a controlled substance.
How is this chemical exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents, adhering to all necessary regulations for international shipment.
How can I request a quote or sample?
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Please use the 'Contact Us' form or contact our sales team directly to request a quote or a sample of 4-Chlorophenylhydrazine hydrochloride.
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