4-(Trifluoromethylthio)phenyl isocyanate
4-(Trifluoromethylthio)phenyl isocyanate (CAS 24032-84-6, CF3SC6H4NCO) is a specialised organic compound with a molecular weight of 219.18 g/mol. It is primarily employed as a versatile building block in chemical synthesis. Its reactivity as an isocyanate makes it valuable for introducing the trifluoromethylthio-substituted phenyl moiety into various molecular structures, finding use in research and development settings for novel compound creation.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules. Its isocyanate group readily reacts with nucleophiles, facilitating the formation of amides, ureas, and other derivatives.
Material Science Research
In research settings, it can be explored for the development of new polymers or functional materials due to the unique electronic and steric properties conferred by the trifluoromethylthio group.
Pharmaceutical and Agrochemical Development
Serves as a building block in the discovery pipeline for new pharmaceutical and agrochemical candidates, where the trifluoromethylthio moiety can influence bioactivity and metabolic stability.
| Molecular weight | 219.18 |
|---|---|
| Linear formula | CF3SC6H4NCO |
| Assay | 98% |
| Boiling point | 43 °C/0.01 mmHg(lit.) |
| Density | 1.365 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.511(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 | 95 °C / 203 °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) | 26-36/37/39 |
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 4-(Trifluoromethylthio)phenyl isocyanate used for?
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4-(Trifluoromethylthio)phenyl isocyanate is primarily used as a building block in organic synthesis, particularly for creating complex organic molecules, new materials, and as an intermediate in pharmaceutical and agrochemical research.
What is the CAS number and chemical formula?
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The CAS number is 24032-84-6 and the chemical formula is CF3SC6H4NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product at an assay of 98%. It is not supplied as USP, BP, EP, or any pharmacopoeia grade.
What are the primary safety concerns and handling precautions?
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This compound is classified with Warning signal word and has hazard statements H302, H312, H315, H319, H332, H335, indicating it is harmful if swallowed, in contact with skin, causes skin irritation, causes serious eye irritation, and may cause respiratory irritation. Appropriate personal protective equipment including eyeshields, gloves, and respiratory protection must be used.
How is 4-(Trifluoromethylthio)phenyl isocyanate shipped and exported?
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As a reputable global supplier, Tech Serve Solutions exports chemicals internationally, adhering to all necessary shipping and handling regulations for hazardous materials like UN 2206, Class 6.1.
How can I request a quote or sample?
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To request a quote or sample of 4-(Trifluoromethylthio)phenyl isocyanate, please contact our sales team through the website or direct inquiry channels.
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