1-Chloro-3-nitrobenzene
1-Chloro-3-nitrobenzene (CAS: 121-73-3), with the molecular formula ClC6H4NO2 and a molar mass of 157.55 g/mol, is a key organic intermediate. It functions as a versatile building block in chemical synthesis, particularly for the production of dyes, pharmaceuticals, and agrochemicals. This compound is supplied by Tech Serve Solutions with an assay of ≥98.0% (GC) for research and industrial applications.

Chemical Synthesis Intermediate
1-Chloro-3-nitrobenzene serves as a crucial precursor in the synthesis of various organic compounds. Its reactive sites allow for diverse chemical transformations, making it valuable in multi-step synthesis pathways.
Dye and Pigment Production
This chemical is employed in the manufacturing of azo dyes and other colorants. Its structure contributes to the chromophoric systems necessary for vibrant and stable dyes used in textiles and other industries.
Pharmaceutical Intermediates
It is utilised as a building block for the synthesis of active pharmaceutical ingredients (APIs). The nitro and chloro functionalities can be selectively modified to construct complex molecular scaffolds.
Agrochemical Development
1-Chloro-3-nitrobenzene finds application in the creation of pesticides and herbicides. It acts as a foundational component for developing compounds with specific biological activities.
| Molecular weight | 157.55 |
|---|---|
| Linear formula | ClC6H4NO2 |
| Assay | ≥98.0% (GC) |
| Boiling point | 236 °C(lit.) |
| Density | 1.534 g/mL at 25 °C(lit.) |
| Melting point | 43-47 °C(lit.)43-47 °C |


Hazard statements
- H302Harmful if swallowed
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | 115 °C / 239 °F |
| Transport (UN / ADR) | UN 1578 6.1 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-50/53 |
| Safety statements (S) | 22-24/25-60-61 |
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-3-nitrobenzene primarily used for?
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1-Chloro-3-nitrobenzene is primarily used as a building block in chemical synthesis, particularly for dyes, pharmaceuticals, and agrochemicals.
What is the CAS number and molecular formula for 1-Chloro-3-nitrobenzene?
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The CAS number is 121-73-3 and the molecular formula is ClC6H4NO2.
What grade and purity does Tech Serve Solutions supply for 1-Chloro-3-nitrobenzene?
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Tech Serve Solutions supplies 1-Chloro-3-nitrobenzene with an assay of ≥98.0% (GC). TSS does not represent this product as USP, BP, EP, or any pharmacopoeial grade unless explicitly stated.
What are the primary safety concerns when handling 1-Chloro-3-nitrobenzene?
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1-Chloro-3-nitrobenzene is classified with GHS07 and GHS09 symbols, bearing the signal word Warning. It has hazard statements H302 (Harmful if swallowed) and H400 (Very toxic to aquatic life). Appropriate personal protective equipment including a dust mask (N95), eyeshields, face shields, and gloves should be used. It is advised to avoid release to the environment (P273).
Is 1-Chloro-3-nitrobenzene exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1-Chloro-3-nitrobenzene.
How can I request a quote or sample for 1-Chloro-3-nitrobenzene?
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To request a quote or sample of 1-Chloro-3-nitrobenzene, please contact our sales team through the website or by phone.
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