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

BISMUTH SUBGALLATE USP

Synonyms:			Bismuth subgallate purified; Bismuth subgallate USP;
				Bismuth dihydroxy (3,4,5-trihydroxybenzoato-O); Basic
				bismuth gallate; Gallic acid bismuth basic salt

CAS No:					99-26-3				   	

Chemical Formula:				C7H5BiO 6

Formula Weight:				394.09

Description:					Yellow, heavy, odorless & tasteless
	powder.

Identification A,B:				Positive for Bi+3 & Gallate 

Appearance in solution (HNO3):		Clear, free of foreign matter

Loss on drying @ 105 deg.C:		7.0% maximum
			
Assay (as Bi2O3):				52.0-57.0%

Alkalies & Alkaline Earths:		0.5% maximum

Free Gallic Acid:				0.5% maximum

Arsenic (as As):				0.00075% maximum

Copper, Lead, Silver:			To pass tests

Nitrate (NO3):				To pass test

Residual Solvents:				DI Water

Effective: 02/02/12