Safety data for cyclopentane
Click here for data on cyclopentane in student-friendly format, from the HSci project
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.
Toxicity data
Risk phrases
Safety phrases
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This information was last updated on March 10, 2005.
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for it. General
Synonyms: pentamethylene
Use:
Molecular formula: C5H10
CAS No: 287-92-3
EINECS No: 206-016-6
Annex I Index No: 601-030-00-2
Physical data
Appearance: colourless liquid with a petrol-like smell
Melting point: -94 C
Boiling point: 49 C
Vapour density: 2.4 (air = 1)
Vapour pressure: 275 mm Hg at 20 C
Density (g cm-3): 0.75
Flash point: -37 C (closed cup)
Explosion limits: 1.5 - 8.7%
Autoignition temperature:
Water solubility: negligible
Stability
Stable. Highly flammable. Note low flash point and
wide explosion limits. Incompatible with strong
oxidizing agents. Floats on water, so water is of limited value in putting
out fires involving this material.
Toxicology
May be harmful if inhaled. Skin, eye and respiratory
irritant. May cause defatting of skin. Typical TLV/TWA 600 ppm.
(The meaning of any toxicological abbreviations which
appear in this section is given
here.)
(The meaning of any risk phrases which appear in this section is
given
here.)
R11 R52 R53.
Transport information
(The meaning of any UN hazard codes which appear in this section
is given
here.)
UN No 1146. Hazard class 3.1. Packing group II.
Personal protection
Safety glasses, good ventilation. Remove sources
of ignition, including hot plates and hot air guns, from
the working area.
(The meaning of any safety phrases which appear in this section
is given here.)
S9 S16 S29 S33 S61.