S P E C I F I C A T I O N S

TOLUIDINE BLUE O

Synonyms:					Basic Blue 17; C.I. 52040;
tolonium chloride; TBO

CAS No:					92-31-9

Formula:					C15H16CIN3S

F.W.:						305.83

Description:					Dark-green to black powder

Assay:						80.0 % minimum

Absorptivity 1%/1cm
at Lambda max. 633.0 nm:			> 1200

Loss on drying:				8.0% maximum

Solubility (0.1% dist. Water):		Clear blue solution

Effective: 12/16/08