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593-53-3

Basic Information
CAS No.: 593-53-3
Name: METHYL FLUORIDE
Article Data: 134
Molecular Structure:
Molecular Structure of 593-53-3 (METHYL FLUORIDE)
Formula: CH3 F
Molecular Weight: 34.0332
Synonyms: F 41;Fluoromethane; Freon 41; HFC 41; Methyl fluoride; Monofluoromethane; R 41; R 41(refrigerant)
EINECS: 209-796-6
Density: 0,877 g/cm3
Melting Point: -115°C
Boiling Point: -79°C
Flash Point: °C
Solubility: slight
Appearance: colourless gas with an ether-like odour
Hazard Symbols:
Risk Codes: R12   
Safety: Narcotic in high concentrations. Acts as a simple asphyxiant. Burns with evolution of hydrogen fluoride. The flame is about as colorless as that of alcohol. When heated to decomposition it emits toxic fumes of F.
Transport Information: UN 2454
PSA: 0.00000
LogP: 0.58570
Synthetic route
77-78-1

dimethyl sulfate

593-53-3

Methyl fluoride

Conditions
ConditionsYield
With potassium fluoride In water at 100℃; for 5h; Solvent; Reagent/catalyst; Temperature;100%
With potassium fluoride In water at 100℃; under 1125.11 Torr; for 5h; Reagent/catalyst; Solvent; Temperature;100%
With potassium fluoride In sulfolane at 100℃; under 750.075 Torr; for 0.166667h; Solvent; Temperature; Autoclave;92%
With potassium fluoride
With sodium fluoride In sulfolane
382-26-3

1,1,1,3,3-pentafluoro-3-methoxy-2-trifluoromethylpropane

A

593-53-3

Methyl fluoride

B

382-22-9

3,3,3-trifluoro-2-trifluoromethyl-propionyl fluoride

Conditions
ConditionsYield
With titanium(IV) oxide at 150℃; Reagent/catalyst; Temperature; Gas phase; Flow reactor;A 99%
B 100%
With alumina at 200℃; Catalytic behavior; Reagent/catalyst; Gas phase; Flow reactor;A 99%
B 91%
With alumina at 200℃; Catalytic behavior; Time; Gas phase; Flow reactor;A 99%
B 99%
96887-05-7

C3CsF7O2S

77-78-1

dimethyl sulfate

A

593-53-3

Methyl fluoride

B

96025-71-7

1,2,2-trifluoro-1-(trifluoromethyl)ethanesulfonyl fluoride

C

cesium methyl sulfate

Conditions
ConditionsYield
In diethylene glycol dimethyl ether at 40 - 45℃;A n/a
B 12.2%
C 95%
84047-25-6

(Z)-4,4,5,5,5-Pentafluoro-3-methoxy-2-trifluoromethyl-pent-2-enoyl fluoride

A

593-53-3

Methyl fluoride

B

53352-88-8

pentafluoropropionyl(trifluoromethyl)ketene

Conditions
ConditionsYield
titanium(IV) fluoride In neat (no solvent) Heating;A n/a
B 90.8%
2314-97-8

iodotrifluoromethane

593-53-3

Methyl fluoride

Conditions
ConditionsYield
With hydrogen In neat (no solvent) formation on heating to 250°C;;89%
425-88-7

1,1,2,2-tetrafluoro-1-methoxyethane

A

593-53-3

Methyl fluoride

B

2925-22-6

2,2-difluoroacetyl fluoride

Conditions
ConditionsYield
antimony pentafluoride In neat (no solvent)A n/a
B 88%
aluminum phosphate treatment with HF at 300C for 72 h at 210℃; Product distribution / selectivity; Inert atmosphere;
With monoaluminum phosphate; hydrogen fluoride at 200℃; Inert atmosphere; Autoclave;
54376-60-2

2-(Trifluoromethyl)-3-methoxy-1,1,1,3,4,4,5,5,5-nonafluoropentane

A

593-53-3

Methyl fluoride

B

61637-91-0

2-(Trifluoromethyl)-1,1,1,4,4,5,5,5-octafluoropentan-3-one

Conditions
ConditionsYield
antimony pentafluoride In neat (no solvent)A n/a
B 88%
77946-89-5

1,3-Dimethoxy-2-(trifluoromethyl)-1,3,4,4,5,5,5-heptafluoro-1-pentene

84047-24-5

1,3-Dimethoxy-2-(trifluoromethyl)-1,1,4,4,5,5,5-heptafluoro-2-pentene

A

593-53-3

Methyl fluoride

B

84047-25-6

(Z)-4,4,5,5,5-Pentafluoro-3-methoxy-2-trifluoromethyl-pent-2-enoyl fluoride

Conditions
ConditionsYield
titanium(IV) fluoride In neat (no solvent) Heating;A n/a
B 86.5%
758-62-3

1,1,2,3,3-pentafluoro-1,3-dimethoxy-propane

A

593-53-3

Methyl fluoride

B

77946-94-2

2-Fluoro-propanedioyl difluoride

Conditions
ConditionsYield
antimony pentafluoride In neat (no solvent)A n/a
B 84%

cis- and trans-2-methoxyperfluoropentene-2

A

593-53-3

Methyl fluoride

B

76944-21-3

perfluoro-2-pentene-4-one

Conditions
ConditionsYield
With antimony pentafluoride cooling, then room t.;A n/a
B 84%
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Chemistry

IUPAC Name: Fluoromethane
The MF of Fluoromethane (CAS NO.593-53-3) is CH3F.

                          
The MW of Fluoromethane (CAS NO.593-53-3) is 34.03.
Synonyms of Fluoromethane (CAS NO.593-53-3): Fluoromethane ; Methane, fluoro- ; Monofluoromethane 
Product Categories: refrigerants
Appearance: colourless gas with an ether-like odour
Stability: Stable. Extremely flammable. Incompatible with strong oxidizing agents
Index of Refraction: 1.212  
EINECS: 209-796-6
Density: 0.673 g/ml 
Melting Point: -115 °C
Boiling Point: -79 °C

Uses

 Fluoromethane (CAS NO.593-53-3) is used as chemical reagents, organic intermediates, fine chemicals, pharmaceutical research and development.

Production

Halogenated aliphatic compounds, such as METHYL FLUORIDE, are moderately or very reactive. Reactivity generally decreases with increased degree of substitution of halogen for hydrogen atoms. Low molecular weight haloalkanes are highly flammable and can react with some metals to form dangerous products. Materials in this group are incompatible with strong oxidizing and reducing agents. Also, they are incompatible with many amines, nitrides, azo/diazo compounds, alkali metals, and epoxides. The prolonged mixing of halogenated solvents with metallic or other azides may cause the slow formation of explosive azides, for example methylene chloride and sodium azide.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Narcotic in high concentrations. Acts as a simple asphyxiant. Burns with evolution of hydrogen fluoride. The flame is about as colorless as that of alcohol. When heated to decomposition it emits toxic fumes of F.Safety information of Fluoromethane (CAS NO.593-53-3):
Hazard Codes  FlammableF,F+
Risk Statements 
12 Extremely Flammable
Safety Statements 
16 Keep away from sources of ignition - No smoking
33 Take precautionary measures against static discharges
RIDADR  2454
Hazard Note  Flammable
HazardClass  2.1

Standards and Recommendations

OSHA PEL: TWA 2.5 mg(F)/m3
ACGIH TLV: TWA 2.5 mg(F)/m3; BEI: 3 mg/g creatinine of fluorides in urine prior to shift; 10 mg/g creatinine of fluorides in urine at end of shift.
NIOSH REL: (Fluorides, Inorganic) TWA 2.5 mg(F)/m3

Specification

It is a colorless flammable gas which is heavier than air. METHYL FLUORIDE has an agreeable ether-like odor. METHYL FLUORIDE is narcotic in high concentrations. METHYL FLUORIDE burns with evolution of hydrogen fluoride. The flame is colorless, similar to alcohol. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket.