Overview
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.
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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
Warning GHS02 GHS07 GHS09 GHS08 Hazard Statements H226 Flammable liquid and vapor H315 Causes skin irritation H317 May cause an allergic skin reaction H319 Causes serious eye irritation H332 Harmful if inhaled H335 May cause respiratory irritation H350 May cause cancer H373 May causes damage to organs through prolonged or repeated exposure H411 Toxic to aquatic life with long lasting effects Precautionary Statements P203 Obtain, consult and follow expert instructions for use. P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P271 Use only outdoors or in a well-ventilated area. P272 Contaminated work clothing should not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P317 Get emergency medical help. P318 IF exposed or concerned, get medical advice. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P391 Collect spillage. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P333+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P370+P378 Use … for extinction. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P403+P235 Store in a well-ventilated place. Keep cool. P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29036990 |
| UN Number | 2234 |
| ADR Class | 3 |
| Packing Group | III |
| Storage Class | 3 - Flammable liquids |
| WGK (Germany) | 2 |
Other Names
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Chemical Properties
- CAS Number
- 98-56-6
- EC Number
- 202-681-1
- Mol. Weight
- 180.55
- HS Code
- 29036990
- Category
- Pigments & Colorants