76-19-7
perfluoropropane
CAS: 76-19-7
Molecular Formula: C3F8
76-19-7 - Names and Identifiers
| Name | perfluoropropane |
| Synonyms | r218 R 218 hfc218 FC-218 optison Perflutren genetron218 perfluoropropane octafluoro-propan Octafluoropropane propane,octafluoro- Perfluoropropaneminimum |
| CAS | 76-19-7 |
| EINECS | 200-941-9 |
| InChI | InChI=1/C3F8/c4-1(5,2(6,7)8)3(9,10)11 |
76-19-7 - Physico-chemical Properties
| Molecular Formula | C3F8 |
| Molar Mass | 188.02 |
| Density | 1.352 at 20 °C (liquid) |
| Melting Point | -147.6 °C |
| Boling Point | -36.6°C |
| Vapor Presure | 6250mmHg at 25°C |
| Storage Condition | Refrigerator |
| Refractive Index | 1.2210 (estimate) |
| Physical and Chemical Properties | Melting Point:-147.689 Boiling Point:-36.7 vapor density: 6.69 |
| Use | For the refrigerator, sheet polyurethane insulation foam |
76-19-7 - Risk and Safety
| Hazard Symbols | F - Flammable |
| Safety Description | S9 - Keep container in a well-ventilated place. S23 - Do not breathe vapour. S38 - In case of insufficient ventilation, wear suitable respiratory equipment. |
| UN IDs | 2424 |
| Hazard Class | 2.2 |
| Toxicity | LD50 intravenous in dog: > 20mL/kg |
76-19-7 - Introduction
Octafluoropane (also known as HFC-218) is a colorless and odorless gas.
Nature:
Insoluble in water, soluble in most organic solvents.
Usage:
1. Sonar detection: The low reflectivity and high absorption of octafluoropropane make it an ideal medium for underwater sonar systems.
2. Fire extinguishing agent: Due to its non flammable and non-conductive nature, octafluoropropane is widely used in fire extinguishing systems for electronic and high-value equipment.
Method:
The preparation method of octafluoropropane is usually through the reaction of hexafluoroacetyl chloride (C3F6O).
Security information:
1. Octafluoropane is a high-pressure gas that needs to be stored and used to prevent leakage and sudden release.
2. Avoid contact with fire sources to prevent fire or explosion.
3. Avoid inhaling octafluoropropane gas, which can cause suffocation.
4. Octafluoropane is lethal and destructive, so personal protection should be taken into account during operation, such as wearing appropriate respiratory equipment and chemical protective clothing.
Last Update：2024-06-12 11:53:18
76-19-7 - Nature
Open Data Verified Data
colorless, non-flammable. Slightly soluble in water. The critical temperature of 71.9 deg C; The critical pressure of 25. 45atm (latm 101325). It is a low-pressure liquefied gas at room temperature. Chemical nature is not active, good thermal stability. It decomposes to produce toxic fluorides when burning an alkane with a combustible gas. In case of high fever, the internal pressure of the container increases, and there is a risk of cracking and explosion.
Last Update：2024-01-02 23:10:35
76-19-7 - Hair-making
Open Data Verified Data
In a reaction furnace equipped with activated carbon, a high-concentration fluorine gas was slowly introduced, and the reaction temperature was controlled by electric heating, fluorine feeding rate, and cooling the reaction furnace. After dedusting, alkali washing and dehydration of the reactant, a crude product containing C3 F8 can be obtained. High purity C3 F8 can be obtained by batch low temperature distillation of crude product, extraction of C3 F8, and then low temperature adsorption dehydration of molecular sieve.
Last Update：2022-01-01 09:31:23
76-19-7 - Use
Open Data Verified Data
in the microelectronics industry for plasma etching and device surface cleaning, but also for low temperature refrigeration, medical gas and gas insulation.
Last Update：2022-01-01 09:31:23
76-19-7 - Safety
Open Data Verified Data
It can be regarded as a non-toxic gas, but inhalation of high concentration gas has an anesthetic effect, and when burning with combustible gas, it decomposes to produce toxic fluoride. When poisoning is found, the victim should be immediately transferred to a pollution-free area and given artificial respiration if necessary. Store in a cool, ventilated warehouse. Keep away from fire and heat source. Moisture-proof, sunscreen. Should be stored separately from flammable and combustible materials.
Last Update：2022-01-01 09:31:24
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