2-Chloro-5-(trifluoromethyl)phenyl isocyanate
2-Chloro-5-(trifluoromethyl)phenyl isocyanate (CAS 50528-86-4), a key organic building block with the molecular formula ClC6H3(CF3)NCO, is supplied by Tech Serve Solutions. This compound, with a molecular weight of 221.56, is characterised by its reactive isocyanate group and trifluoromethyl substitution. It finds application as an intermediate in chemical synthesis, particularly for creating more complex molecules in research and development settings.

Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs) and related compounds. The trifluoromethyl and chloro substituents offer unique reactivity for drug discovery programmes.
Agrochemical Synthesis
Serves as a building block for novel agrochemicals, including herbicides, insecticides, and fungicides. Its structural features can contribute to biological activity.
Specialty Chemical Production
Employed in the creation of niche organic compounds and materials where specific electronic or steric properties are required. The isocyanate functionality allows for versatile derivatisation.
Research and Development
A valuable reagent for academic and industrial research laboratories exploring new synthetic methodologies and target molecules. Facilitates the introduction of the 2-chloro-5-(trifluoromethyl)phenyl moiety.
| Molecular weight | 221.56 |
|---|---|
| Linear formula | ClC6H3(CF3)NCO |
| Assay | 97% |
| Boiling point | 63-64 °C/5 mmHg(lit.) |
| Density | 1.48 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.489(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 92 °C / 197.6 °F |
| Transport (UN / ADR) | UN 2206 6.1/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 23-26-45 |
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-5-(trifluoromethyl)phenyl isocyanate used for?
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2-Chloro-5-(trifluoromethyl)phenyl isocyanate is primarily used as a building block in chemical synthesis, including the development of pharmaceuticals, agrochemicals, and other specialty organic compounds.
What is the CAS number and chemical formula?
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The CAS number for 2-Chloro-5-(trifluoromethyl)phenyl isocyanate is 50528-86-4, and its linear formula is ClC6H3(CF3)NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-5-(trifluoromethyl)phenyl isocyanate with an assay of 97%. We do not represent this product as USP, BP, EP or pharmacopoeia grade.
How should 2-Chloro-5-(trifluoromethyl)phenyl isocyanate be handled?
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This compound is a Warning GHS substance, classified with hazard statements H302, H312, H315, H319, H332, and H335. Handle with appropriate personal protective equipment including eyeshields, gloves, and respiratory protection. Avoid contact with skin, eyes, and clothing, and ensure adequate ventilation.
Is this compound a controlled substance?
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Based on the provided data, there is no indication that 2-Chloro-5-(trifluoromethyl)phenyl isocyanate is a controlled substance. Always verify local regulations.
How is this chemical shipped and exported?
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As a specialist global supplier and exporter, Tech Serve Solutions handles the logistics for shipping and exporting 2-Chloro-5-(trifluoromethyl)phenyl isocyanate, adhering to international regulations for hazardous materials transportation (UN 2206).
How can I request a quote or sample?
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To request a quote or a sample of 2-Chloro-5-(trifluoromethyl)phenyl isocyanate, please contact our sales team through the provided channels on our website.
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