3,5-Bis(trifluoromethyl)phenyl isothiocyanate
3,5-Bis(trifluoromethyl)phenyl isothiocyanate (CAS: 23165-29-9) is a specialised organic building block featuring two trifluoromethyl groups on a phenyl ring and an isothiocyanate functional group. With a molecular weight of 271.18 g/mol, this compound serves as a valuable intermediate in organic synthesis. Its unique structure makes it suitable for the development of novel molecules in research and chemical development.
- Synonyms
- (CF3)2C6H3NCS

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of complex organic molecules, pharmaceuticals, and agrochemicals. The isothiocyanate group readily participates in various addition and cyclisation reactions.
Material Science Research
Its fluorinated nature and reactive functional group can be exploited in the design and synthesis of novel materials, including polymers and specialised coatings.
Reagent for Derivatisation
Can be used as a derivatising agent in analytical chemistry for the detection or modification of compounds containing nucleophilic groups.
| Molecular weight | 271.18 |
|---|---|
| Linear formula | (CF3)2C6H3NCS |
| Assay | 98% |
| Boiling point | 63 °C/1.5 mmHg(lit.) |
| Density | 1.485 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5(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 | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 109 °C / 228.2 °F |
| Transport (UN / ADR) | UN 3334 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 22-26-27-36/37/39-45 |
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 3,5-Bis(trifluoromethyl)phenyl isothiocyanate used for?
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3,5-Bis(trifluoromethyl)phenyl isothiocyanate is primarily used as a building block in organic synthesis for the preparation of complex molecules, including potential pharmaceuticals and materials.
What are the CAS number and formula for 3,5-Bis(trifluoromethyl)phenyl isothiocyanate?
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The CAS number is 23165-29-9. The linear formula is (CF3)2C6H3NCS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Bis(trifluoromethyl)phenyl isothiocyanate with a minimum assay of 98%. This is a technical/research grade chemical and is not represented as USP, BP, or EP grade.
How should 3,5-Bis(trifluoromethyl)phenyl isothiocyanate be handled?
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This compound is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Handling requires appropriate personal protective equipment including full-face respirators, gloves, goggles, and face shields. Ensure adequate ventilation.
How is 3,5-Bis(trifluoromethyl)phenyl isothiocyanate packed, shipped, and exported?
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Products are carefully packed in compliance with international shipping regulations for hazardous materials. Tech Serve Solutions is a global supplier and exporter, experienced in worldwide logistics.
How can I request a sample or quote for 3,5-Bis(trifluoromethyl)phenyl isothiocyanate?
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Please contact our sales department via the website or by phone to request a sample or obtain a quotation for 3,5-Bis(trifluoromethyl)phenyl isothiocyanate.
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