dichlorodifluoromethane
dichlorodifluoromethane
CAS: 75-71-8
Molecular Formula: CF4
dichlorodifluoromethane - Names and Identifiers
| Name | dichlorodifluoromethane |
| Synonyms | CFC-12 tetrafluoromethane dichlorodifluoromethane Difluorodichloromethane (F-12) |
| CAS | 75-71-8 |
| EINECS | 200-893-9 |
| InChI | InChI=1/CF4/c2-1(3,4)5 |
dichlorodifluoromethane - Physico-chemical Properties
| Molecular Formula | CF4 |
| Molar Mass | 88.0043 |
| Density | 1.315g/cm3 |
| Melting Point | -158℃ |
| Water Solubility | Insoluble. 0.028 g/100 mL |
| Vapor Presure | 82600mmHg at 25°C |
| Refractive Index | 1.169 |
| Physical and Chemical Properties | Characteristics of colorless, almost odorless, non-corrosive, non-irritating non-combustible gas. There is a slightly ether-like odor at high concentrations. melting point -158 ℃ boiling point -29.8 ℃ relative density (-29.8 ℃)1.486g/cm3 solubility insoluble in water, soluble in ethanol, ether. |
| Use | Used as industrial refrigerant, pesticide spray, foaming agent and solvent |
dichlorodifluoromethane - Risk and Safety
| Hazard Symbols | Xn - Harmful N - Dangerous for the environment  |
| Risk Codes | R20 - Harmful by inhalation R59 - Dangerous for the ozone layer |
| Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. S59 - Refer to manufacturer / supplier for information on recovery / recycling. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 1028/2602 |
dichlorodifluoromethane - Upstream Downstream Industry
| Raw Materials | Hydrofluoric Acid Hydrofluoric Acid Hydrofluoric Acid Carbon tetrachloride Carbon tetrachloride Hydrofluoric Acid |
dichlorodifluoromethane - Nature
Open Data Verified Data
colorless, non-turbid, almost odorless, non-corrosive, non-irritating non-combustible gas. There is a slightly ether-like odor at high concentrations. Boiling point -29.8 °c. Melting Point -158 °c. Liquid density (-29.8 °c) 1.486g/cm3. Critical pressure 4. OIMPa. The critical temperature is 111.5. Insoluble in water, soluble in ethanol, ether.
Last Update：2024-01-02 23:10:35
dichlorodifluoromethane - Preparation Method
Open Data Verified Data
The reaction of carbon tetrachloride with hydrogen fluoride was carried out in the presence of antimony pentachloride catalyst. When the control reflux condensation temperature is -5 deg C, the main product.
Last Update：2022-01-01 10:14:03
dichlorodifluoromethane - Use
Open Data Verified Data
It can be used as a refrigerant, fire extinguishing agent, insecticide and propellant, and is also a raw material for fluororesin.
Last Update：2022-01-01 10:14:03
dichlorodifluoromethane - Safety
Open Data Verified Data
The toxicity is very small, and the high concentration is narcotic. Contact with a flame or hot metal surface may produce toxic substances. The maximum allowable concentration in air is 1000 × 10-6. Packed in medium pressure cylinders with a net weight of 40kg per bottle. Store in a cool and ventilated place. Impact and exposure to the Sun are strictly prohibited during storage and transportation.
Last Update：2022-01-01 10:14:04
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Raw Materials for dichlorodifluoromethane
Hydrofluoric Acid
Hydrofluoric Acid
Hydrofluoric Acid
Carbon tetrachloride
Carbon tetrachloride
Hydrofluoric Acid
Hydrofluoric Acid
Hydrofluoric Acid
Carbon tetrachloride
Carbon tetrachloride
Hydrofluoric Acid