Parachlorobenzotrifluoride
Description
Parachlorobenzotrifluoride (CAS 98-56-6), commonly known as PCBTF, is a high-performance exempt solvent used across coatings, chemical synthesis, and industrial cleaning applications.
Classified as a VOC-exempt solvent under U.S. EPA regulations, it offers formulators a compliant alternative to conventional aromatic solvents without sacrificing solvency strength.
In industrial and architectural coatings, PCBTF dissolves high-solids resins and pigment dispersions where regulatory VOC limits restrict conventional solvent use.
Pharmaceutical manufacturers use it as a reaction solvent and intermediate carrier in active ingredient synthesis, particularly where halogenated aromatic solvents are specified.
In the plastics and polymer sector, it functions as a process solvent for dissolving engineering resins and as a carrier in specialty polymer coatings applied to textiles.
Its compatibility with agrochemical and dye formulations also makes it a preferred solvent for pigment grinding and colorant concentrate production for industrial use.
PCBTF is supplied as a clear liquid in standard drum, IBC, and bulk tanker quantities. Technical grade is the primary commercial specification with high purity levels.
Anhydrous and low-moisture variants are available for pharmaceutical and sensitive synthesis applications where water content is a critical quality parameter for production.
Physical Properties
| Melting Point | -33 °C |
| Boiling Point | 139.3 °C |
| Density | 1.3340 g/cm³ @ Temp: 25 °C |
| Flash Point | 117 °F |
| Appearance | Chlorobenzotrifluoride is a colorless, highly flammable liquid. |
| Color | Clear colorless |
| Odor | aromatic odor |
| Form | Liquid |
| Water Solubility | 29 ppm (23 ºC) |
| Vapor Pressure | 10hPa at 25℃ |
| Refractive Index | n 20/D 1.446(lit.) |
| Log P | 3.7 at 25℃ |
Safety & Handling (Learn More)
Trade & Regulatory
| HS Code | 29036990 |
| UN Number | 2234 |
| ADR Class | 3 |
| Packing Group | III |
| Storage Class | 3 - Flammable liquids |
| WGK (Germany) | 2 |
Documentation
Other Names
PCBTF|P-Chlorbenzotrifluorid|4-Chlorobenzotrifluoride|p-Chlorobenzotrifluoride|1-CHLORO-4-(TRIFLUOROMETHYL)BENZENE|Benzene, 1-chloro-4-(trifluoromethyl)-|(p-Chlorophenyl)trifluoromethane|4-Chloro-alpha,alpha,alpha-trifluorotoluene
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