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Fluoroethane

Fluoroethane structure

CAS No:
353-36-6
Formula:
C2H5F
Chemical Name:
Fluoroethane
Synonyms:
Ethane,fluoro-;Fluoroethane;Ethyl fluoride;Monofluoroethane;R 161;HFC 161;F 161;HFA 161;R 161 (refrigerant)
Categories:
Organic Chemistry > Organic Fluorine Compound

Description

Fluoroethane, an organofluorine compound that holds a significant place in the field of chemistry, is not only notable for its chemical properties but also for its wide range of applications. In addition to its common aliases such as ethane and fluoroethane, it has several designations in the refrigeration industry, including R 161, HFC 161, F 161, and HFA 161. Its unique CAS number 353-36-6 allows for precise identification of this substance. The chemical formula C2H5F provides a clear picture of its molecular structure, consisting of two carbon atoms, five hydrogen atoms, and one fluorine atom tightly arranged. It is this molecular design that gives fluoroethane its unique physical properties at ambient temperature and pressure - colorless, odorless, and difficult to detect with the naked eye, which undoubtedly increases the difficulty of identifying it in potentially hazardous environments. However, despite its many advantages, the potential dangers of fluoroethane cannot be ignored. Due to its colorless and odorless properties, people may be exposed to it unknowingly in the event of a leak. This gas has a suppressive effect on the central nervous system, and long-term exposure may lead to asphyxiation or other health problems. Furthermore, although fluoroethane has a smaller impact on the ozone layer, its atmospheric stability means it may persist in the environment for a longer period of time. This long-term accumulation can have indirect effects on the climate, such as exacerbating the greenhouse effect. Therefore, when using and handling fluoroethane, we must strictly follow safety regulations and continuously explore safer and more environmentally friendly alternatives. As a flammable gas, fluoroethane's fire hazard is classified as Level 4. This means that when exposed to a fire source or high temperature environment, it can quickly burn and release large amounts of heat energy. This high-temperature and high-pressure environment may result in explosive decomposition or combustion, posing a serious threat to surrounding environments and personnel safety. Therefore, when handling and storing fluoroethane, we must be extra careful to avoid contact with fire sources or use it inappropriately in environments. In addition, if the container is exposed to high temperature or open flames for a long time, the internal pressure may increase sharply, causing the container to burst and potentially generating flying debris. This flying debris can not only cause harm to people but also damage equipment or cause secondary accidents.

Fluoroethane Basic Attributes

Molecular Weight：

48.06

Exact Mass：

48.06

EC Number：

206-531-6

UNII：

XO7SPI984C

UN Number：

2453

DSSTox ID：

DTXSID2059857

HScode：

2903399090

Characteristics

PSA：

XLogP3：

0.97580

Appearance：

Ethyl fluoride appears as a colorless, odorless, flammable gas. Can cause asphyxiation by the displacement of air. Exposure of the container to prolonged heat or fire may cause it to rupture violently and rocket.

Density：

0.8176 g/cm³

Melting Point：

-143.2 °C

Boiling Point：

-37.6 °C

Refractive Index：

1.272

Water Solubility：

0.04 M

Vapor Pressure：

6.84e+03 mmHg

Toxicity：

Inhalation-Rat LCL0 26000 PPM/4 hours

Flammability characteristics：

Flammable; decomposes toxic hydrogen fluoride gas in case of heat

OH：

2.32e-13 cm3/molecule*sec

Air and Water Reactions：

Highly flammable.

Reactive Group：

Fluorinated Organic Compounds

Reactivity Alerts：

Highly Flammable

Reactivity Profile：

ETHYL FLUORIDE is incompatible with strong oxidizing and reducing agents. Also, may be incompatible with many amines, nitrides, azo/diazo compounds, with alkali metals, and with epoxides.

Safety Information

Hazard category：

2.1

Transport codes：

2453

hazard class code：

10-23/24/25

safety instructions：

23-36/37/39

Marks：

Storage features：

Treasury is ventilated, low temperature and dry; stored separately from oxidant

Hazard note：

Flammable

Explosive characteristics：

Explosive when mixed with air

Precautionary statement(s)：

P210, P377, P381, P403, P41, P403

Hazard Statements：

H220

Fire Hazards：

Excerpt from ERG Guide 115 [Gases - Flammable (Including Refrigerated Liquids)]: EXTREMELY FLAMMABLE. Will be easily ignited by heat, sparks or flames. Will form explosive mixtures with air. Vapors from liquefied gas are initially heavier than air and spread along ground. CAUTION: Hydrogen (UN1049), Deuterium (UN1957), Hydrogen, refrigerated liquid (UN1966) and Methane (UN1971) are lighter than air and will rise. Hydrogen and Deuterium fires are difficult to detect since they burn with an invisible flame. Use an alternate method of detection (thermal camera, broom handle, etc.) Vapors may travel to source of ignition and flash back. Cylinders exposed to fire may vent and release flammable gas through pressure relief devices. Containers may explode when heated. Ruptured cylinders may rocket. (ERG, 2016)|Flammable - 4th degree

Fire Fighting：

Excerpt from ERG Guide 115 [Gases - Flammable (Including Refrigerated Liquids)]: DO NOT EXTINGUISH A LEAKING GAS FIRE UNLESS LEAK CAN BE STOPPED. CAUTION: Hydrogen (UN1049), Deuterium (UN1957) and Hydrogen, refrigerated liquid (UN1966) burn with an invisible flame. Hydrogen and Methane mixture, compressed (UN2034) may burn with an invisible flame. SMALL FIRE: Dry chemical or CO2. LARGE FIRE: Water spray or fog. Move containers from fire area if you can do it without risk. FIRE INVOLVING TANKS: Fight fire from maximum distance or use unmanned hose holders or monitor nozzles. Cool containers with flooding quantities of water until well after fire is out. Do not direct water at source of leak or safety devices; icing may occur. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire. For massive fire, use unmanned hose holders or monitor nozzles; if this is impossible, withdraw from area and let fire burn. (ERG, 2016)

Isolation and Evacuation：

Excerpt from ERG Guide 115 [Gases - Flammable (Including Refrigerated Liquids)]: As an immediate precautionary measure, isolate spill or leak area for at least 100 meters (330 feet) in all directions. LARGE SPILL: Consider initial downwind evacuation for at least 800 meters (1/2 mile). FIRE: If tank, rail car or tank truck is involved in a fire, ISOLATE for 1600 meters (1 mile) in all directions; also, consider initial evacuation for 1600 meters (1 mile) in all directions. In fires involving Liquefied Petroleum Gases (LPG) (UN1075); Butane, (UN1011); Butylene, (UN1012); Isobutylene, (UN1055); Propylene, (UN1077); Isobutane, (UN1969); and Propane, (UN1978), also refer to BLEVE - SAFETY PRECAUTIONS (ERG page 368). (ERG, 2016)

Nonfire Spill Response：

Excerpt from ERG Guide 115 [Gases - Flammable (Including Refrigerated Liquids)]: ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area). All equipment used when handling the product must be grounded. Do not touch or walk through spilled material. Stop leak if you can do it without risk. If possible, turn leaking containers so that gas escapes rather than liquid. Use water spray to reduce vapors or divert vapor cloud drift. Avoid allowing water runoff to contact spilled material. Do not direct water at spill or source of leak. Prevent spreading of vapors through sewers, ventilation systems and confined areas. Isolate area until gas has dispersed. CAUTION: When in contact with refrigerated/cryogenic liquids, many materials become brittle and are likely to break without warning. (ERG, 2016)

Personal Protective Equipment：

Excerpt from ERG Guide 115 [Gases - Flammable (Including Refrigerated Liquids)]: Wear positive pressure self-contained breathing apparatus (SCBA). Structural firefighters' protective clothing will only provide limited protection. Always wear thermal protective clothing when handling refrigerated/cryogenic liquids. (ERG, 2016)

Toxicity

Toxicity class：

practically nontoxic

Drug Information

Health Hazards：

Excerpt from ERG Guide 115 [Gases - Flammable (Including Refrigerated Liquids)]: Vapors may cause dizziness or asphyxiation without warning. Some may be irritating if inhaled at high concentrations. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. Fire may produce irritating and/or toxic gases. (ERG, 2016)

First Aid：

Excerpt from ERG Guide 115 [Gases - Flammable (Including Refrigerated Liquids)]: Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. Clothing frozen to the skin should be thawed before being removed. In case of contact with liquefied gas, thaw frosted parts with lukewarm water. In case of burns, immediately cool affected skin for as long as possible with cold water. Do not remove clothing if adhering to skin. Keep victim calm and warm. (ERG, 2016)

Fluoroethane Use and Manufacturing

Uses

As a highly flammable gas, HFC-134a is classified as a Class 4 fire hazard. This means that it can quickly ignite and release large amounts of heat when exposed to a fire source or high temperature environment. This high-temperature, high-pressure environment can lead to explosive decomposition or combustion, posing a serious threat to surrounding environments and personnel safety. Therefore, when handling and storing HFC-134a, we must be extra careful to avoid contact with fire sources or use it in inappropriate environments. Additionally, if the container is exposed to high temperatures or open flames for a long time, the internal pressure may increase sharply, causing the container to burst and potentially generating flying debris. This flying debris can not only cause harm to people but also damage equipment or cause secondary accidents. The reason why HFC-134a can be widely used in many fields is its unique chemical properties. In the pharmaceutical industry, it serves as an aerosol propellant, playing a crucial role. By helping drugs be delivered to the respiratory tract in the form of a mist, it provides strong support for the treatment of asthma and chronic obstructive pulmonary disease (COPD) Because of its low global warming potential and ozone-depleting potential, it has become an ideal choice for replacing old refrigerants that cause environmental damage. In air conditioning systems, refrigerators, and freezing equipment, the widespread use of fluoroethane not only improves refrigeration efficiency but also effectively reduces the negative impact on the environment. In addition to being a refrigerant, fluoroethane has widespread applications in laboratories and industrial production. For example, in the field of organic synthesis, it is often used as an intermediate to prepare various drugs, pesticides, and other organic compounds. However, due to its chemically active and flammable and explosive properties, strict control must be exercised during handling to prevent accidents. This requires operators to have professional knowledge and skills and strictly follow safety operating procedures. As an important organofluorine compound, the application of fluoroethane in various fields has demonstrated the power of chemical innovation. However, we must also remain aware of its potential risks and take corresponding preventive measures to ensure safety and environmental protection. In the future, we will continue to explore safer and more environmentally friendly alternatives to achieve a harmonious coexistence of technological development and environmental protection.

Manufacturing Info：

Ethane, fluoro-: ACTIVE

Use Classification：

Fire Hazards -> Flammable - 4th degree

Computed Properties

Molecular Weight:48.06
XLogP3:0.9
Hydrogen Bond Acceptor Count:1
Exact Mass:48.037528322
Monoisotopic Mass:48.037528322
Heavy Atom Count:3
Complexity:2.8
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Downstream Products

Ethane

Recommended Suppliers of Fluoroethane

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Ethane, fluoro- 99% see COA kanbei

CAS No.: 353-36-6

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