应用
Sodium thiosulfate pentahydrate is used as an analytical reagent in laboratories. It is used in photographic processing and in gold extraction. Its alkylated derivative S-alkylthiosulfonates are called Bunte salts. It is involved in the preparation of thioglycolic acid. Furthermore, it is used to dechlorinate tap water, for removing free bromine from solution and to check pH of bleach solutions with liquid indicators. Other used include tanning of leather, as an active component in hand warmers, in chemical heating pads and as an anionic surfactant to aid in dispersion of pharmaceutical preparations.

备注
Incompatible with sodium nitrate, acids, strong oxidizing agents, iodides, silver salts, mercury salts and lead.

基本信息

MDL
MFCD00149186

EINECS
231-867-5

分子式
Na₂O₃S₂?5H₂O

分子量
248.17 (158.10anhy)

熔点
48°

沸点
100° -5H{2}O

密度
1.69

灵敏度
Ambient temperatures.

形态
Crystals

溶解性
Soluble in water. Insoluble in alcohol.

Merck
14,8694

安全信息

RTECS
WE6660000

TSCA
是