L 2907 (OTTO) Lithium bromide anhydrous, beads, −10 mesh, 99.99% Cas 7550-35- 8 - used for reconstitution of brines, as swelling agent for proteins and as electrolyte component in lithium battery. L 2907 (OTTO) Lithium bromide anhydrous, beads, −10 mesh, 99.99% 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.