L 2941 (OTTO) Lithium bromide, 99.995%+ Cas 7550-35- 8 - used for reconstitution of brines, as swelling agent for proteins and as electrolyte component in lithium battery. Used as brazing and welding flux. L 2941 (OTTO) Lithium bromide, 99.995%+ Cas 7550-35- 8 - used as catalyst for the condensation of carbonyl compounds with active methylene compounds in the absence of solvent, operating medium for air-conditioning and industrial drying system.