Blue tetrazolium, for microscopy

- Synonyms: 3,3'-(3,3'-Dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis[2,5-diphenyl-2H-tetrazolium] dichloride - C40H32Cl2N8O2 - M = 727,66 g/mol - CAS [1871-22-3] - EINECS-No.: 217-488-8 - Solub. in water: (20 ºC): ~ 3 g/l - Melting point: 245 - 247 ºC - EC-Index-No.: 611-024-00-1 - GHS-signal word: Danger - GHS-H sentences: H350 - GHS-P sentences: P280 - P201 - P202 - P308+P313 - P405 - P501a - Tariff number: 2933 99 90 90 - Applications: microscopy (dye), for histology. SPECIFICATIONS Absorption maximum l (in methanol): 250 - 255 nm methanol, referred to dried sample): 700 suitability for microscopy: passes test loss on drying (110 ºC): max. 3 %