Safety data for difluoromethane

Glossary of terms on this data sheet.

The information on this web page is provided to help you to work safely, but it is intended to be an overview of hazards, not a replacement for a full Material Safety Data Sheet (MSDS). MSDS forms can be downloaded from the web sites of many chemical suppliers.

General

Synonyms: HFC 32, R32, FC 32, Freon 32, Genetron 32, methylene fluoride, methylene difluoride, carbon fluoride hydride
Molecular Formula: CH₂F₂
CAS No: 75-10-5
EC No: 200-839-4

Physical data

Appearance: colourless gas
Melting Point: -136 C
Boiling point: -51.6 C
Vapour density:
Vapour pressure:
Specific gravity:
Flash point:
Explosion limits:
Autoignition temperature:
Critical pressure: 58 bar
Critical temperature: 351 K

Stability

Stable. Highly flammable. Incompatible with strong oxidizing agents.

Toxicology

May be harmful if inhaled - toxicology not fully investigated.

Toxicity data
(The meaning of any abbreviations which appear below is given here. )

Risk phrases
( The meaning of any abbreviations which appear below is given here. )
R11.

Transport information

( The meaning of any UN hazard codes below is given here. )

Personal protection

Safety glasses, good ventilation.

Safety phrases
( The meaning of any safety phrases shown in this section is given here. )
S9 S16 S23.

[Return to the Physical & Theoretical Chemistry Laboratory Safety home page. ]

This information was last updated on October 3, 2007. We have tried to make it as accurate and useful as possible, but can take no responsibility for its use, misuse, or accuracy. We have not verified this information, and cannot guarantee that it is up-to-date.

Note also that the information on the PTCL Safety web site, where this page was hosted, has been copied onto many other sites, often without permission. If you have any doubts about the veracity of the information that you are viewing, or have any queries, please check the URL that your web browser displays for this page. If the URL begins "http://msds.chem.ox.ac.uk/" the page is maintained by the Safety Officer in Physical Chemistry at Oxford University. If not, this page is a copy made by some other person and we have no responsibility for it.