Propane, 1,3-difluoro-
1,3-difluoropropane
CAS: 462-39-5
Molecular Formula: C3H6F2
Propane, 1,3-difluoro- - Names and Identifiers
| Name | 1,3-difluoropropane |
| Synonyms | R 272fa 1,3-DIFLUOROPROPANE 1,3-Difluoropropane 1,3-difluoropropane Propane,1,3-difluoro- Propane, 1,3-difluoro- Propane, 1,3-difluoro- (6CI,8CI,9CI) |
| CAS | 462-39-5 |
| InChI | InChI=1/C3H6F2/c4-2-1-3-5/h1-3H2 |
Propane, 1,3-difluoro- - Physico-chemical Properties
| Molecular Formula | C3H6F2 |
| Molar Mass | 80.08 |
| Density | 1,005 g/cm3 |
| Melting Point | -104.8°C (estimate) |
| Boling Point | 40-42°C |
| Flash Point | 40-42°C |
| Vapor Presure | 335mmHg at 25°C |
| BRN | 1696999 |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.321 |
| MDL | MFCD00040969 |
Propane, 1,3-difluoro- - Risk and Safety
| Hazard Symbols | F - Flammable |
| Risk Codes | 11 - Highly Flammable |
| Safety Description | S16 - Keep away from sources of ignition. S23 - Do not breathe vapour. S33 - Take precautionary measures against static discharges. |
| UN IDs | 1993 |
| Hazard Note | Flammable |
| Hazard Class | 3 |
| Packing Group | III |
Propane, 1,3-difluoro- - Introduction
1,3-difluoropropane is an organic compound with the chemical formula C3H6F2. It has a colorless gas state and is volatile at room temperature.
Nature:
1,3-difluoropropane has a lower boiling point and melting point, low flammability, and is not easy to burn in the air. It is denser and insoluble in water, but soluble in organic solvents such as ethers and alcohols.
Use:
1,3-difluoropropane is commonly used as a reagent in organic synthesis to synthesize compounds such as drugs, pesticides and dyes. Due to its good chemical stability and thermal properties, it can also be used as a freezing medium, a cleaning agent and a solvent for gas reactions. In addition, it can also be used to prepare liquid crystal materials and as a propellant for ice-making agents and sprayers.
Preparation Method:
The preparation of 1,3-difluoropropane is usually accomplished by reacting 1,3-propanediol with hydrofluoric acid. First, 1,3-propanediol is mixed with a catalyst (e. g., sulfuric acid, phosphoric acid, etc.) and heated to obtain a phosphoric ester of 1,3-propanediol. The ester is then reacted with hydrofluoric acid under mild conditions to give 1,3-difluoroppane.
Safety Information:
1,3-difluoropropane is relatively safe for the human body under general conditions, but the following points still need to be paid attention:
-Avoid direct contact and wear protective gloves and goggles when using.
-Avoid prolonged exposure to high concentrations of 1,3-difluoropropane.
-If you accidentally inhale the gas, you should immediately go to a place with fresh air to breathe fresh air and seek medical help.
- 1,3-difluoropropane is a flammable substance and should be kept away from open flames and high temperature sources.
-During storage and transportation, care should be taken to prevent leakage and contact with fire sources or oxidants.
Nature:
1,3-difluoropropane has a lower boiling point and melting point, low flammability, and is not easy to burn in the air. It is denser and insoluble in water, but soluble in organic solvents such as ethers and alcohols.
Use:
1,3-difluoropropane is commonly used as a reagent in organic synthesis to synthesize compounds such as drugs, pesticides and dyes. Due to its good chemical stability and thermal properties, it can also be used as a freezing medium, a cleaning agent and a solvent for gas reactions. In addition, it can also be used to prepare liquid crystal materials and as a propellant for ice-making agents and sprayers.
Preparation Method:
The preparation of 1,3-difluoropropane is usually accomplished by reacting 1,3-propanediol with hydrofluoric acid. First, 1,3-propanediol is mixed with a catalyst (e. g., sulfuric acid, phosphoric acid, etc.) and heated to obtain a phosphoric ester of 1,3-propanediol. The ester is then reacted with hydrofluoric acid under mild conditions to give 1,3-difluoroppane.
Safety Information:
1,3-difluoropropane is relatively safe for the human body under general conditions, but the following points still need to be paid attention:
-Avoid direct contact and wear protective gloves and goggles when using.
-Avoid prolonged exposure to high concentrations of 1,3-difluoropropane.
-If you accidentally inhale the gas, you should immediately go to a place with fresh air to breathe fresh air and seek medical help.
- 1,3-difluoropropane is a flammable substance and should be kept away from open flames and high temperature sources.
-During storage and transportation, care should be taken to prevent leakage and contact with fire sources or oxidants.
Last Update：2024-04-09 21:04:16
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