BISMARCK BROWN R

Molecular Formula: C₂₁H₂₆Cl₂N₈
Molecular Weight: 461.39g/mol
Melting Point: 222 °C (dec.)(lit.)
Boiling Point: 729 °C at 760 mmHg 
Flash Point: 394.7 °C
Freely Rotating Bonds: 8
Polar Surface Area: 55.92 Å²
Enthalpy of Vaporization: 106.41 kJ/mol
Vapour Pressure: 4.17E-21 mmHg at 25°C 
The Cas Register Number of C.I. Basic brown 4 is 8005-78-5.The chemical synonyms of C.I. Basic brown 4 (CAS NO.8005-78-5) are 1,3-Benzenediamine, 4,4'-[(4-methyl-1,3-phenylene)di(E)-2,1-diazenediyl]bis[6-methyl-, hydrochloride (1:2)  ; 4,4'-[(4-Methyl-1,3-phenylene)bis(azo)]bis[6-methyl-1,3-benzenediamine] dihydrochloride ; 4,4'-[(4-Methylbenzene-1,3-diyl)di(E)diazene-2,1-diyl]bis(6-methylbenzene-1,3-diamine) dihydrochloride ; Bismark Brown 53 ; C.I. Basic Brown 4 (8CI) ; Vesuvine ;  2,4-Bis(2,4-diamino-5-methyl-1-benzenazo)toluene ; 4,4'-[(4-methyl-1,3-phenylene)di-(E)-diazene-2,1-diyl]bis(6-methylbenzene-1,3-diamine) dihydrochloride .Product categories of C.I. Basic brown 4 (CAS NO.8005-78-5) are Organics The molecular structure of C.I. Basic brown 4 (CAS NO.8005-78-5) is.

It is mainly used as dye and can also be used in creation color lake.

A severe eye irritant. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
Hazard Codes: Xn;F
Risk Statements: 20/21/22-11-36/37/38 
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
R11: Highly flammable. 
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 22-24/25-36/37/39-26-16-36 
S22: Do not breathe dust. 
S24/25: Avoid contact with skin and eyes. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection. 
S16: Keep away from sources of ignition. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36: Wear suitable protective clothing.