Safety data for 7,7,8,8-tetracyanoquinodimethane
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Toxicity data
Risk phrases
Safety phrases
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for it. General
Synonyms: (2,5-cyclohexadiene-1,4-diylidene)-dimalononitrile,
TCNQ, tetracyano-p-quinodimethane
Use:
Molecular formula: C12H4N4
CAS No: 1518-16-7
EINECS No: 216-174-8
Physical data
Appearance: orange to green crystalline powder
Melting point: ca. 287 (decomposes)
Boiling point:
Vapour density:
Vapour pressure:
Density (g cm-3):
Flash point:
Explosion limits:
Autoignition temperature:
Water solubility:
Stability
Stable. Incompatible with strong acids, strong bases,
strong reducing agents, strong oxidizing agents.
Toxicology
Harmful if swallowed.
(The meaning of any toxicological abbreviations which
appear in this section is given
here.)
IVN-MUS LD50 56 mg kg-1
(The meaning of any risk phrases which appear in this section is
given
here.)
R22.
Transport information
(The meaning of any UN hazard codes which appear in this section
is given
here.)
Personal protection
Safety glasses, adequate ventilation.
(The meaning of any safety phrases which appear in this section
is given here.)