Molecular structure of Fast Blue BB Salt (CAS NO.5486-84-0) is:

Product Name: Fast Blue BB Salt
CAS Registry Number: 5486-84-0
Molecular Formula: 2(C₁₇H₁₈ClN₃O₃).ZnCl₂
Molecular Weight: 831.91
EINECS: 226-817-4
Melting Point:  157 °C (dec.)
Storage temp.: -20 °C
Sensitive: Light Sensitive
Related Registry Number: 15518-68-0 (Parent)
Product Categories: Dyes and Pigments;Organic-metal salt

Safty information about Fast Blue BB Salt (CAS NO.5486-84-0) is:
Hazard Codes: Xn; T
Risk Statements: 22-40-61-45-20/21/22 
R22:Harmful if swallowed. 
R40:Limited evidence of a carcinogenic effect. 
R61:May cause harm to the unborn child. 
R45:May cause cancer. 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 36/37-53-45-36/37/39 
S36/37:Wear suitable protective clothing and gloves. 
S53:Avoid exposure - obtain special instructions before use. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: 2811
WGK Germany: 3
F: 8
HazardClass: 6.1
PackingGroup: III

 Fast Blue BB Salt , its cas register number is 5486-84-0. It also can be called Fast Blue BB hemi(zinc chloride) salt ; 4-Benzoylamino-2,5-diethoxybenzenediazonium chloride hemi(zinc chloride) salt ; 4-(Benzoylamino)-2,5-diethoxybenzenediazonium tetrachlorozincate (2:1) ; Benzenediazonium, 4-(benzoylamino)-2,5-diethoxy-, (T-4)-tetrachlorozincate(2-) (2:1) .It is a yellow to yellow-green crystalline powder.