CAS Number: 7758-02-3 Chinese Name: Potassium bromide English Name: Potassium bromide Alias: Potassium bromide, standard solution Content: Photographic grade 98% Molecular Formula: BrK Molecular Weight: 119.0023 EINECS Number: 231-830-3 Package: 25kg/bag Specification: Usage: Used in the emulsion of motion picture films and photographic films or in the preparation of developers; used as a sedative in medicine. Physical Properties: Appearance: Colorless cubic crystals. Odorless, with a salty and slightly bitter taste. Melting Point: 734°C Boiling Point: 1435°C Relative Density: 2.75 Solubility: Soluble in water (solubility 102g/100ml at 100°C) and glycerol; slightly soluble in ethanol and ether. Storage and Transportation: Packed in two-layer paper bags lined with polyethylene plastic bags and outer corrugated cardboard boxes, with net weights of 20kg, 25kg, or 50kg per box. Store in a well-ventilated, dry warehouse. Packaging must be intact, and measures should be taken to prevent moisture and avoid light. During transportation, protect from rain and direct sunlight. Handle with care during loading and unloading to prevent packaging damage. In case of fire, use sand or various types of fire extinguishers.