2-Chloro-4-nitrophenyl isothiocyanate
2-Chloro-4-nitrophenyl isothiocyanate (CAS: 23165-64-2; Formula: ClC6H3(NO2)NCS) is a chemical compound with a molecular weight of 214.63 g/mol. This isothiocyanate derivative is a valuable building block in organic synthesis. It is commonly employed in the preparation of various heterocyclic compounds and serves as a reagent in medicinal chemistry and materials science research.

Organic Synthesis
Utilised as a key intermediate and building block for the synthesis of complex organic molecules, including heterocyclic compounds. Its reactive isothiocyanate group facilitates a range of synthetic transformations.
Medicinal Chemistry
Serves as a precursor for the development of novel pharmaceutical agents and drug discovery programmes. It can be incorporated into structures designed to target specific biological pathways.
Materials Science
Can be used in the functionalisation of polymers and surfaces, contributing to the development of new materials with tailored properties. The isothiocyanate moiety allows for covalent attachment.
| Molecular weight | 214.63 |
|---|---|
| Linear formula | ClC6H3(NO2)NCS |
| Assay | 97% |
| Melting point | 95-99 °C(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3335 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-27-36/37/39-45 |
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-4-nitrophenyl isothiocyanate used for?
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2-Chloro-4-nitrophenyl isothiocyanate is primarily used as a building block in organic synthesis and in medicinal chemistry research for the development of new compounds.
What is the CAS number and molecular formula for 2-Chloro-4-nitrophenyl isothiocyanate?
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The CAS number is 23165-64-2 and the molecular formula is ClC6H3(NO2)NCS.
What grade and purity does Tech Serve Solutions supply for 2-Chloro-4-nitrophenyl isothiocyanate?
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Tech Serve Solutions supplies 2-Chloro-4-nitrophenyl isothiocyanate with a minimum purity of 97%. We do not represent this product as USP, BP, or EP grade.
How should 2-Chloro-4-nitrophenyl isothiocyanate be handled safely?
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This compound is classified as corrosive (H314) and causes severe skin burns and eye damage. Always wear appropriate personal protective equipment, including eyeshields, face shields, gloves, and respiratory protection (type P3 or N100). Handle in a well-ventilated area or fume hood. Refer to the Safety Data Sheet (SDS) for full details.
Is 2-Chloro-4-nitrophenyl isothiocyanate a controlled substance?
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The provided data does not indicate that 2-Chloro-4-nitrophenyl isothiocyanate is a controlled substance.
How is 2-Chloro-4-nitrophenyl isothiocyanate packed and shipped?
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2-Chloro-4-nitrophenyl isothiocyanate is shipped according to relevant transport regulations, including UN 3335. Packaging is designed to ensure safe transit. Specific details on packaging for export are available upon request.
How can I request a quote or sample for 2-Chloro-4-nitrophenyl isothiocyanate?
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Please contact our sales team through the website or directly via email to request a quotation or a sample of 2-Chloro-4-nitrophenyl isothiocyanate.
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