USP31, 99% Min, white crystalline powder, used for Anesthetic Agents. APPEARANCE: FINE, WHITE, CRYSTALLINE, ODORLESS POWDERAPPEARANCEFINE, WHITE, CRYSTALLINE, ODORLESS POWDERIDENTIFICATIONA B C IN PASSRESIDUAL SOLVENTSETHANOL (III)<0.5%SOLUBILITYVERY SOLUBLE IN WATER, SOLUBLE IN ALCOHOL; INSOLUBLE IN ETHER AND BENZENEUSP REFERENCE STANDARDSUSP TETRACAINE HYDROCHLORIDE RS USP ENDOTOXIN ...