Aolisenchem provides chemical intermediates 3,3-Diaminobenzidine CAS#91-95-2, which can be used as pharmaceutical intermediate.
Appearance: Light yellow to brown solid
Melting point:175-177 °C(lit.)
Boiling point: 344.41°C
Purity: 98%
Water (KF): 0.5%
Name: 3,3-Diaminobenzidine
Other names: 4-(3,4-Diaminophenyl)benzene-1,2-diamine; 3,4,3',4'-Tetraaminobiphenyl
CAS Number: 91-95-2
Molecular formula: C12H14N4
Molecular Weight: 214.27
MDL number: MFCD00007725
Signal word: warning
Hazard statement(s):
H341 Suspected of causing genetic defects
H350 May cause cancer
Precautionary statement(s)
Prevention:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
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