Barium Thiosulfate

Title: Barium Thiosulfate
CAS Registry Number: 35112-53-9
Additional Names: Barium hyposulfite
Molecular Formula: BaO3S2
Molecular Weight: 249.46
Percent Composition: Ba 55.05%, O 19.24%, S 25.71%
Line Formula: BaS2O3
Literature References: Prepn: Gmelins, Barium (8th ed.) 30, 283 (1932) and supplement, 449 (1960).
Derivative Type: Monohydrate
Properties: Cryst powder. Poisonous! Very slightly sol in water. Practically insol in alc, ether, acetone, CCl4, CS2.
Use: Manuf explosives, matches; as an iodometry standard; in photographic diffusion-transfer process.
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