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2,2',5,5'-Tetrachlorobenzidine Structure

2,2',5,5'-Tetrachlorobenzidine

Chemical Properties

Melting point 135-140 °C(lit.)
Boiling point 477.67°C (rough estimate)
Density  1.5309 (rough estimate)
refractive index  1.6000 (estimate)
storage temp.  -70°C
solubility  soluble in Methanol
form  powder to crystal
pka 1.58±0.13(Predicted)
color  Light yellow to Yellow to Orange
CAS DataBase Reference 15721-02-5(CAS DataBase Reference)
FDA UNII ICS5PD3141
IARC 3 (Vol. 27, Sup 7) 1987
EPA Substance Registry System [1,1'-Biphenyl]-4,4'-diamine, 2,2',5,5'-tetrachloro- (15721-02-5)

Safety

Symbol(GHS) GHS hazard pictograms
Signal wordWarning
Hazard statements H315-H319
Precautionary statements P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
Hazard Codes  T
Risk Statements  61
Safety Statements  53-45
WGK Germany  3
RTECS  DD1751000
HS Code  2921.59.8090

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