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20721-50-0

Name DISPERSE BLACK 9
CAS 20721-50-0
EINECS(EC#) 243-987-5
Molecular Formula C16H20N4O2
MDL Number MFCD00161159
Molecular Weight 300.36
MOL File 20721-50-0.mol
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Chemical Properties

Melting point  157-160 °C(lit.)
Boiling point  569.2±50.0 °C(Predicted)
density  1.22±0.1 g/cm3(Predicted)
storage temp.  room temp
form  powder
pka 14.21±0.10(Predicted)
ε(extinction coefficient) ≥20000 at 458-464nm in H2O
λmax 461 nm
LogP 2.500 (est)
EPA Substance Registry System Ethanol, 2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bis- (20721-50-0)

Safety Data

Hazard Codes  Xi
Risk Statements 
Safety Statements 
WGK Germany  3

Spectrum Detail

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