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Educational content for trained professionals. Not a Safety Data Sheet, not medical advice. In an emergency, call your local poison control or emergency services immediately. Terms of use.

Fluoromethane

Also known as: FLUOROMETHANE · Methyl fluoride · 593-53-3 · Freon 41

CAS No.
593-53-3
Formula
CH3F
Molar mass
34.033 g/mol
PubChem CID
11638
GHS pictograms
GHS pictogram: FlammableFlammable
GHS pictogram: Compressed gasCompressed gas
2D structure of Fluoromethane
2D structure · PubChem CID 11638

Summary

Fluoromethane (CH3F), CAS 593-53-3. Common in labs and industry. Read on for hazards, storage, PPE and mixing rules.

Background

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Physical properties

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Hazards

GHS pictogram: Flammable
Flammable (GHS02)

Ignites easily when exposed to a flame or spark.

GHS pictogram: Compressed gas
Compressed gas (GHS04)

Contents under pressure, may explode if heated.

Hazard statements

Storage

Temperature

Keep at room temperature, below 30 °C, out of direct heat.

Ventilation

Store somewhere well-ventilated and away from any ignition source.

Containers

Metal drums or tinted glass, tightly sealed.

Keep away from

Strong acids, strong bases and powerful oxidizers.

Personal protective equipment

Gloves

Nitrile or butyl, at least 0.4 mm thick.

Eye protection

Safety goggles with side shields.

Respirator

A2 organic-vapor cartridge if the room isn't well ventilated.

Occupational exposure limits (HSE)

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EU harmonised classification (ECHA C&L)

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Transport

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FDA recalls & enforcement

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Compatibilities

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Practical safety notes

  • Flammable. Keep away from open flames, hot surfaces and sparks. Ground containers when transferring.
  • Compressed gas. Secure cylinders upright, protect valves, store in ventilated areas.

Derived from the GHS classification shown above. These notes are generic guidance and do not replace the manufacturer's SDS or your local risk assessment.

FAQ

Is Fluoromethane flammable?+

Yes. Fluoromethane (CAS 593-53-3) carries the GHS02 flame pictogram. Keep it away from ignition sources, use non-sparking tools, and ground metal containers when transferring liquid.

What PPE should I wear when handling Fluoromethane?+

Safety glasses with side shields and nitrile gloves are the baseline. Ventilation should be sufficient to keep vapours below the occupational exposure limit. Check SDS section 8 for material-specific breakthrough times.

How should Fluoromethane be stored?+

Store Fluoromethane (CAS 593-53-3) in tightly closed original containers, in a cool, dry, well-ventilated area away from incompatible materials. Use a flammable-liquid cabinet and keep away from oxidizers and heat.

Is Fluoromethane dangerous for the environment?+

No specific environmental pictogram (GHS09) is listed in our records for Fluoromethane, but any chemical waste should be handled through your site's hazardous-waste procedure, not poured down the drain.

Where can I find the official Safety Data Sheet for Fluoromethane?+

Official, up-to-date SDS documents are published by each manufacturer (Sigma-Aldrich, Merck, Thermo Fisher, VWR, Carl Roth, etc.) and by regulators such as ECHA and NIOSH. This page is an educational summary and does not replace the manufacturer's SDS.

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