1-Chloro-4-nitrobenzene
1-Chloro-4-nitrobenzene (CAS: 100-00-5), with the molecular formula ClC₆H₄NO₂, is a significant organic intermediate. This compound is characterised by its role as a key building block in various chemical syntheses, particularly in the production of dyes, pharmaceuticals, and agrochemicals. Its chemical structure facilitates specific reactions, making it a valuable reagent for chemists developing novel compounds and materials.
- Synonyms
- 4-Chloronitrobenzenep-Chloronitrobenzene1-chloro-4-nitro-benzolBenzene, 1-chloro-4-nitro-

Dye Manufacturing
1-Chloro-4-nitrobenzene serves as a crucial intermediate in the synthesis of various azo dyes and other colorants. Its reactive chlorine atom and nitro group allow for further functionalization to create specific chromophores.
Pharmaceutical Synthesis
This compound is employed as a building block in the production of active pharmaceutical ingredients (APIs). It is used in multi-step syntheses where its structure can be modified to achieve desired pharmacological properties.
Agrochemical Production
1-Chloro-4-nitrobenzene is utilised in the synthesis of certain pesticides and herbicides. Its incorporation into larger molecules can impart specific biological activity.
Organic Synthesis Reagent
As a versatile organic building block, it finds application in diverse synthetic routes for creating complex organic molecules and materials in research and development settings.
| Molecular weight | 157.55 |
|---|---|
| Linear formula | ClC6H4NO2 |
| Assay | 99% |
| Boiling point | 242 °C(lit.) |
| Density | 1.298 g/mL at 25 °C(lit.) |
| Vapour pressure | 0.09 mmHg (25 °C) |
| Vapour density | 5.4 (vs air) |
| Melting point | 80-83 °C(lit.) |
| Autoignition temp | 500 °F |



Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H331Toxic if inhaled
- H341Suspected of causing genetic defects
- H351Suspected of causing cancer
- H373May cause damage to organs through prolonged exposure
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
| Flash point | 124 °C / 255.2 °F |
|---|---|
| Transport (UN / ADR) | UN 1578 6.1 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/24/25-40-48/20/21/22-51/53-68 |
| Safety statements (S) | 28-36/37-45-61 |
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 1-Chloro-4-nitrobenzene used for?
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1-Chloro-4-nitrobenzene is primarily used as an intermediate in the synthesis of dyes, pharmaceuticals, and agrochemicals, and as a general building block in organic synthesis.
What are the CAS number and formula for 1-Chloro-4-nitrobenzene?
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The CAS number for 1-Chloro-4-nitrobenzene is 100-00-5, and its molecular formula is ClC₆H₄NO₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Chloro-4-nitrobenzene with a minimum assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 1-Chloro-4-nitrobenzene be handled?
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1-Chloro-4-nitrobenzene is toxic if swallowed, in contact with skin, or if inhaled (H301-H311-H331). It is suspected of causing genetic defects (H341) and cancer (H351), may cause damage to organs through prolonged or repeated exposure (H373), and is toxic to aquatic life with long-lasting effects (H411). Handle with appropriate personal protective equipment in a well-ventilated area. Refer to the Safety Data Sheet for comprehensive handling information.
Does Tech Serve Solutions export 1-Chloro-4-nitrobenzene?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1-Chloro-4-nitrobenzene.
How can I request a sample or quote for 1-Chloro-4-nitrobenzene?
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Please contact our sales team via the website or direct email to request a sample or a quotation for 1-Chloro-4-nitrobenzene.
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