4-(Trifluoromethyl)phenyl isothiocyanate
Also known as: p-Trifluoromethylphenylisothiocyanate, 1-Isothiocyanato-4-(trifluoromethyl)benzene, alpha,alpha,alpha-Trifluoro-p-tolyl isothiocyanate, Isothiocyanic Acid 4-(Trifluoromethyl)phenyl Ester, 4-Isothiocyanatobenzotrifluoride, MFCD00039645, Benzene, 1-isothiocyanato-4-(trifluoromethyl)-
4-(Trifluoromethyl)phenyl isothiocyanate (CAS 1645-65-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H4F3NS and a molecular weight of 203.184 g/mol. Key properties include a melting point of 39-43 °C(lit.), a boiling point of 231.3±40.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 93.7±27.3 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage and H334 — May cause allergy or asthma symptoms if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1645-65-4
- Jingsj CID
- J-1504309-1
- Molecular Formula
- C8H4F3NS
- Molecular Weight
- 203.184 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 39-43 °C(lit.) |
|---|---|
| Boiling Point | 231.3±40.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 93.7±27.3 °C |
| Exact Mass | 203.001648 |
| PSA | 44.45000 |
| LogP | 4.21 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.503 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
- H334 — May cause allergy or asthma symptoms if inhaled
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-(Trifluoromethyl)phenyl isothiocyanate?
The CAS number of 4-(Trifluoromethyl)phenyl isothiocyanate is 1645-65-4.
What are the molecular formula and molecular weight of 4-(Trifluoromethyl)phenyl isothiocyanate?
4-(Trifluoromethyl)phenyl isothiocyanate has molecular formula C8H4F3NS and molecular weight 203.184 g/mol.
Is 4-(Trifluoromethyl)phenyl isothiocyanate hazardous?
4-(Trifluoromethyl)phenyl isothiocyanate has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage; H334 — May cause allergy or asthma symptoms if inhaled.
What are the upstream and downstream products of 4-(Trifluoromethyl)phenyl isothiocyanate?
For 4-(Trifluoromethyl)phenyl isothiocyanate, Upstream Products: 4-(Trifluoromethyl)aniline, Thiophosgene, Carbon disulphide; Downstream Products: 2-Thioxo-3-[4-(trifluoromethyl)phenyl]-1,3-thiazolidin-4-one, RAF265 (CHIR-265), 4-[4-(Trifluoromethyl)phenyl]-3-thiosemicarbazide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-(Trifluoromethyl)phenyl isothiocyanate (CAS 1645-65-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504309-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.