Nomenclature
CAS number: 7789-41-5
Br
2Ca; mol wt 199.89.
Br 79.95%, Ca 20.05%.
CaBr
2.
Description and references
Prepn: Gmelins, Calcium (8th ed.) 28B, 100-102, 584-599 (1958). The N.F. article
is a hydrated salt, contg not less than 84% and not more than 94%
CaBr2.
Properties
Odorless, deliquesc granules or rhombic crystals;
sharp, saline taste. Becomes yellow on long exposure to air. When
anhydr mp 730°; d425 3.353. When strongly heated in air, becomes alkaline due to loss
of bromine and formation of lime. Very sol in water, methanol, ethanol;
sol in acetone; practically insol in dioxane, chloroform, ether.
The aq soln is neutral or only slightly alkaline to litmus. Keep well closed.Use
In photography for making dry plates and light-sensitive
papers; manuf mineral waters, NH
4Br, fire-extinguishing
compositions.
Therapeutic Category
Sedative, anticonvulsant.
Therapeutic Category (Veterinary)
Has been used in hypocalcemic states
such as canine eclampsia.
Keywords
Anticonvulsant; Sedative/Hypnotic; Bromides