CFCl
Chlorotrifluoroethylene
CAS: 79-38-9
Molecular Formula: C2ClF3
CFCl - Names and Identifiers
| Name | Chlorotrifluoroethylene |
| Synonyms | CF2 CTFE CFCl FC-1113 CHLOROTRIFLUOROETHENE Chlorotrifluoroethylene CHLOROTRIFLUOROETHYLENE TRIFLUORO CHLORO ETHYLENE Chlorotrifluoroethylene (FC-1113) |
| CAS | 79-38-9 |
| EINECS | 201-201-8 |
| InChI | InChI=1/C2ClF3/c3-1(4)2(5)6 |
CFCl - Physico-chemical Properties
| Molecular Formula | C2ClF3 |
| Molar Mass | 116.47 |
| Density | 1,305 g/cm3 |
| Melting Point | −158°C(lit.) |
| Boling Point | −28.4°C(lit.) |
| Flash Point | -28°C |
| Water Solubility | 380mg/L at 28℃ |
| Vapor Presure | 612kPa at 25℃ |
| Vapor Density | 4.13 (vs air) |
| Refractive Index | 1.3800 |
| Physical and Chemical Properties | Characteristics of colorless, with the smell of ether gas, decomposition in water, easy polymerization. melting point -168.11 ℃ boiling point -28.36 ℃ relative density 1.35 |
| Use | For the preparation of Polychlorotrifluoroethylene resin and fluorine rubber |
CFCl - Risk and Safety
| Risk Codes | R12 - Extremely Flammable R20/22 - Harmful by inhalation and if swallowed. |
| Safety Description | S16 - Keep away from sources of ignition. S38 - In case of insufficient ventilation, wear suitable respiratory equipment. |
| UN IDs | UN 1082 2.3 |
| WGK Germany | 3 |
| RTECS | KV0525000 |
| Hazard Note | Flammable/Toxic |
| Hazard Class | 2.3 |
| Toxicity | LD50 oral in mouse: 268mg/kg |
CFCl - Upstream Downstream Industry
| Raw Materials | Methyl alcohol Methyl alcohol Zinc |
| Downstream Products | poly(chlorotrifluoroethylene) |
CFCl - Nature
Open Data Verified Data
colorless, with the smell of ether gas, decomposition in water, easy polymerization. Boiling point -28. 36 °c. Melting Point -168.11 °c. The relative density of the liquid was 1. 35. The critical temperature is 105.8. The critical pressure is 4.063MPA. The combustion limit in air is 16% to 34% by volume.
Last Update：2025-06-10 22:55:16
CFCl - Preparation Method
Open Data Verified Data
with 1,1,2-fluorine -1,2,2-ethyl chloride (Freon -113) as raw material, in methanol dispersion medium, and zinc powder reaction dechlorination, the product was purified by fractional distillation. When pressurized to 1. 17MPA, the reaction temperature can be increased, the reaction rate and yield can be increased, and the amount of methanol used can be reduced.
Last Update：2022-01-01 10:15:04
CFCl - Application
Open Data Verified Data
Polychlorotrifluoroethylene monomer, can produce fluorine plastic, fluorine rubber and fluorine chlorine lubricating oil and other important products. It can also be used as a raw material for the production of inhalation anesthetics. For the substitution of fluorine in steroids, carbohydrates in the hydroxyl group as a preservative.
Last Update：2025-08-19 16:24:40
CFCl - Safety
Open Data Verified Data
- highly toxic! In the air easily oxidized and decomposed into phosgene. Rat oral LD50 268mg/kg,24 hours inhalation of LC 1000 x 10-6. On the human cardiovascular, nervous system has obvious effect, poisoning symptoms of Head Pain, Nausea, Vomit, severe damage to the kidney, and can appear jaundice. Symptoms of poisoning should be treated promptly. The maximum allowable concentration in air is 2 × 10-6. Good ventilation should be strictly maintained at the operation site, and the operator should wear protective equipment.
- with a clean, dry pressure (0. 9806MPa) stainless steel cylinder, the need for low temperature (- 20 ~- 30 ℃) storage and transportation, long-term storage should add polymerization inhibitor. According to the provisions of toxic hazardous chemicals storage and transportation.
Last Update：2022-01-01 10:15:05
CFCl - Reference Information
| LogP | 1.65 |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | used to prepare polytrifluoroethylene chloride resin and fluororubber trifluoroethylene is polymerized into polytrifluoroethylene. it has excellent electrical properties, heat resistance and chemical resistance are inferior to polytetrafluoroethylene, but it is easy to process and can be made into plastic, film, coating and other products. the working temperature is -196~199 ℃. It is also a raw material for fluoroplastics, fluororubber, refrigerants, fluorochlorine lubricants, and halothane anesthetics. Used to replace hydroxyl groups in steroids and carbohydrates with fluorine as preservatives. |
| production method | Germany first produced chlorotrifluoroethylene in 1934, and the United States realized industrial production in 1949. The method commonly used in industry is dechlorination of trifluorotrichloroethane. Generally, zinc powder is used as dechlorination agent, methanol is used as solvent, the reaction temperature is 50-150 ℃, the reaction pressure is 2.08MPa, and the reaction time is 3-4s. The methanol suspension containing zinc powder is sent to the reactor together with trifluorotrichloroethane, and the generated zinc chloride is separated from the reactants. After the reaction products are sent to the primary distillation tower and the rectification tower, pure trifluorochloroethylene is obtained. Raw material consumption quota: 1830kg/t trifluorotrichloroethane, 1080kg/t methanol (>95%) and 840kg/t zinc powder (>95%). |
| category | harmful gases |
| toxicity classification | highly toxic |
| acute toxicity | inhalation-rat LC50: 1000 PPM/ 4 hours; Oral administration-mouse LD50: 268 mg/kg |
| explosive hazard characteristics | steel cylinders can explode when heated and exposed to the sun; leakage emits highly toxic combustible gas |
| flammability hazard characteristics | open flame is flammable; it decomposes toxic fluoride and chloride gases when exposed to water or heated |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; light loading and unloading |
| fire extinguishing agent | sand, mist water |
| occupational standard | STEL 5 mg/m3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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Raw Materials for CFCl
Downstream Products for CFCl