16325-01-2 nitro blue diformazan

Product Name	nitro blue diformazan
CAS No.	16325-01-2
Synonyms	p-Nitro blue tetrazolium, diformazan p-NBT, diformazan; p-Nitrotetrazolium Blue Diformazan; (E,E)-1,1'-(3,3'-dimethoxybiphenyl-4,4'-diyl)bis{[(Z)-[(4-nitrophenyl)hydrazono](phenyl)methyl]diazene}; (E,E)-1,1'-(3,3'-dimethoxybiphenyl-4,4'-diyl)bis{[(E)-[(4-nitrophenyl)hydrazono](phenyl)methyl]diazene}
InChI	InChI=1/C40H32N10O6/c1-55-37-25-29(13-23-35(37)43-47-39(27-9-5-3-6-10-27)45-41-31-15-19-33(20-16-31)49(51)52)30-14-24-36(38(26-30)56-2)44-48-40(28-11-7-4-8-12-28)46-42-32-17-21-34(22-18-32)50(53)54/h3-26,41-42H,1-2H3/b45-39+,46-40+,47-43+,48-44+
Molecular Formula	C40H32N10O6
Molecular Weight	748.7455
Density	1.33g/cm3
Melting point	257℃
Boiling point	892.8°C at 760 mmHg
Flash point	493.7°C
Refractive index	1.667
Hazard Symbols	Xn:Harmful;
Risk Codes	R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.; R36/37/38:Irritating to eyes, respiratory system and skin.;
Safety	S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.; S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.;