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Toxicity data
Risk phrases
Safety phrases
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This information was last updated on May 13, 2008.
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for it. General
Synonyms: 1,1'-biphenyl-4,4'-diamine, 3,5,3',5'-tetramethylbenzidine,
3,3',5,5'-tetramethyl-(1,1-biphenyl)-4,4'-diamine, TMB
Use: reagent in staining procedure
Molecular formula: C16H20N2
CAS No: 54827-17-7
EC No: 259-364-6
Physical data
Appearance: pale yellow crystalline solid
Melting point: 168 C
Boiling point:
Vapour density:
Vapour pressure:
Specific gravity:
Flash point:
Explosion limits:
Autoignition temperature:
Water solubility: insoluble
Stability
Stable, but moisture sensitive and may be light sensitive.
Incompatible with water, strong oxidizing agents.
Toxicology
Skin, eye and respiratory irritant.
(The meaning of any toxicological abbreviations which
appear in this section is given
here.)
IPR-RAT LD50 135 mg kg-1
ORL-QAL LD50 > 316 mg kg-1
(The meaning of any risk phrases which appear in this section is
given
here.)
R36 R37 R38.
Personal protection
Safety glasses, adequate ventilation.
(The meaning of any safety phrases which appear in this section
is given here.)
S26 S36.