Butanoic acid,4,4'-[(4,4'-diamino[1,1'-biphenyl]-3,3'-diyl)bis(oxy)]bis-, dihydrochloride(9CI) cas no:56455-90-4

NameButanoic acid,4,4'-[(4,4'-diamino[1,1'-biphenyl]-3,3'-diyl)bis(oxy)]bis-, dihydrochloride(9CI)
CAS56455-90-4
Synonymsg,g'-(4,4'-Diamino-3,3'-biphenyldioxy)dibutyric acid dihydrochloride
Molecular FormulaC20H24 N2 O6 . 2 Cl H
Molecular Weight461.38

refractive index1.618
storage temp2-8°C

Hazard Xi
Risk 36/37/38
Safety

Hazard Codes: Xi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 22-26-36 
S22:Do not breathe dust. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
WGK Germany: 3
RTECS: EK7770000
Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits very toxic fumes of NO_x and HCl.

1.

scu-rat TDLo:21,250 mg/kg/2Y-I:ETA

JJIND8    JNCI, Journal of the National Cancer Institute. 62 (1979),301.