Safety data for cyclohexane

Click here for data on cyclohexane in student-friendly format, from the HSci project

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: hexamethylene, hexahydrobenzene, hexanaphthene, RCA waste number U056
Molecular formula: C₆H₁₂
CAS No: 110-82-7
EC No: 203-806-2
Annex I Index No: 601-017-00-1

Physical data

Appearance: colourless liquid
Melting point: 7 C
Boiling point: 81 C
Specific gravity: 0.78
Vapour pressure: 77 mm Hg at 20 C
Flash point: -20 C
Explosion limits: 1.3% - 8.4%
Autoignition temperature: 260 C

Stability

Stable. Substances to be avoided include strong oxidizing agents. Highly flammable - readily forms explosive mixtures with air.

Toxicology

Harmful if swallowed or inhaled, and through skin contact. Respiratory, eye and skin irritant. TLV 300 ppm. Typical OEL 200 ppm. Frequent exposure may cause dermatitis.

Toxicity data
(The meaning of any abbreviations which appear in this section is given here.)
ORL-RAT LD50 12705 mg kg^-1
ORL-MUS LD50 813 mg kg^-1
IHL-MAM LC50 70 g m^-3

Irritation data
(The meaning of any abbreviations which appear in this section is given here.)
SKN-RBT 1548 mg/2d-i

Risk phrases
(The meaning of any risk phrases which appear in this section is given here.)
R11 R38 R50 R53 R65 R67.

Environmental Information

C. auratus

Transport information

here.)

Personal protection

Safety glasses. Suitable ventilation. (Use nitrile, if gloves are required.)

Safety phrases
(The meaning of any safety phrases which appear in this section is given here.)
S9 S16 S33 S60 S61 S62.

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This information was last updated on July 14, 2004. Although we have tried to make it as accurate and useful as possible, we can take no responsibility for its use or misuse.

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