2,4-Dichlorophenylhydrazine hydrochloride
2,4-Dichlorophenylhydrazine hydrochloride (CAS: 5446-18-4) is an organic compound primarily utilised as a versatile building block in chemical synthesis. Its structure, featuring a dichlorinated phenyl ring attached to a hydrazine moiety and presented as a hydrochloride salt, makes it valuable for constructing more complex molecules. This compound is a key intermediate in the development of various organic compounds and research chemicals. Tech Serve Solutions supplies this reagent with a minimum purity of 95.0%.
- Synonyms
- Cl2C6H3NHNH2·HCl

Intermediate in Organic Synthesis
2,4-Dichlorophenylhydrazine hydrochloride serves as a crucial intermediate in the synthesis of diverse organic molecules. Its reactive hydrazine group allows for condensation reactions, leading to the formation of heterocyclic compounds and other complex structures.
Reagent in Pharmaceutical Research
This compound is employed as a reagent in the research and development of potential pharmaceutical agents. It can be incorporated into synthetic routes aimed at discovering new drug candidates or understanding reaction mechanisms.
Building Block for Specialty Chemicals
The molecule acts as a foundational building block for creating specialised chemicals. Its specific substitution pattern offers unique reactivity and structural features beneficial for targeted chemical design.
| Molecular weight | 213.49 |
|---|---|
| Linear formula | Cl2C6H3NHNH2·HCl |
| Assay | ≥95.0% (AT) |
| Impurities tested | ~5% water |
| Melting point | 220-224 °C(lit.)220-224 °C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 2,4-Dichlorophenylhydrazine hydrochloride used for?
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2,4-Dichlorophenylhydrazine hydrochloride is primarily used as a versatile building block and intermediate in organic synthesis, particularly in the development of pharmaceutical research chemicals and other specialised organic compounds.
What are the CAS number and formula for 2,4-Dichlorophenylhydrazine hydrochloride?
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The CAS number for 2,4-Dichlorophenylhydrazine hydrochloride is 5446-18-4. Its linear formula is Cl2C6H3NHNH2·HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Dichlorophenylhydrazine hydrochloride with an assay of ≥95.0% (AT). This is a technical grade suitable for research and synthesis; TSS does not represent it as USP, BP, or EP grade.
How should 2,4-Dichlorophenylhydrazine hydrochloride be handled?
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Based on its GHS classification, 2,4-Dichlorophenylhydrazine hydrochloride can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid contact with skin, eyes, and clothing, and do not inhale dust.
Is 2,4-Dichlorophenylhydrazine hydrochloride a controlled substance?
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The provided data does not indicate that 2,4-Dichlorophenylhydrazine hydrochloride is a controlled substance. However, customers should always verify local regulations.
How is this chemical exported and what are the packing options?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Specific packing and shipping details for 2,4-Dichlorophenylhydrazine hydrochloride can be provided upon request, adhering to all international shipping regulations.
How can I request a quote or sample for 2,4-Dichlorophenylhydrazine hydrochloride?
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To request a quote or sample for 2,4-Dichlorophenylhydrazine hydrochloride, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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