2-Chloro-3-nitrotoluene
2-Chloro-3-nitrotoluene (CAS: 3970-40-9, Formula: C7H6ClNO2) is a versatile organic compound with a molecular weight of 171.58 g/mol. Possessing a refractive index of n20/D 1.557 and a boiling point of 147 °C/25 mmHg, it serves as a valuable intermediate in various chemical syntheses. Its applications span across organic building blocks and the production of nitro and nitrogen-containing compounds, making it a key reagent in research and industrial chemistry.

Organic Synthesis Intermediate
2-Chloro-3-nitrotoluene is utilised as a foundational building block in complex organic syntheses. Its reactive functional groups allow for further derivatisation in the creation of novel molecules.
Nitro Compound Synthesis
This compound is instrumental in the synthesis of various nitro compounds. It serves as a precursor for introducing the nitro group into organic structures, crucial for many pharmaceutical and agrochemical intermediates.
Nitrogen Compound Chemistry
As a key nitrogen compound, it plays a role in research and development involving nitrogen-containing organic molecules. Its structure facilitates the exploration of new chemical pathways.
| Molecular weight | 171.58 |
|---|---|
| Linear formula | CH3C6H3(NO2)Cl |
| Assay | 98% |
| Boiling point | 147 °C/25 mmHg(lit.) |
| Density | 1.298 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.557(lit.) |
| Melting point | 21 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 2433 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-50 |
| 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 2-Chloro-3-nitrotoluene used for?
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2-Chloro-3-nitrotoluene is used as a versatile intermediate and building block in organic synthesis, particularly in the preparation of other nitro and nitrogen-containing compounds.
What is the CAS number and chemical formula for 2-Chloro-3-nitrotoluene?
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The CAS number is 3970-40-9 and the chemical formula is CH3C6H3(NO2)Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-3-nitrotoluene with a minimum assay of 98%. This product is intended for laboratory and industrial use and is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should 2-Chloro-3-nitrotoluene be handled safely?
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2-Chloro-3-nitrotoluene is harmful if swallowed (H302) and very toxic to aquatic life (H400). Handling requires appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection, in a well-ventilated area. Avoid release to the environment.
Is 2-Chloro-3-nitrotoluene available for export?
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Yes, Tech Serve Solutions specialises in supplying and exporting fine chemicals globally, including 2-Chloro-3-nitrotoluene.
How can I request a sample or quote for 2-Chloro-3-nitrotoluene?
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Please contact our sales team directly through our website or by phone to request a sample or a detailed quotation for 2-Chloro-3-nitrotoluene.
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