What+is+Sodium+Thiosulphate+Penta+Hydrate?

=What is Sodium Thiosulphate Penta Hydrate?= Na 2 S 2 O 3 ** 5H 2 ** **O** **Physical Properties** **Colorless to white crystals; readily forms supersaturated** **aqueous solutions.** **Vapor pressure at 20** **°** **C: negligible OSHA PEL: NE**
 * Decomposes at: 46–50** **°** **C ACGIH**

Link; http://membership.acs.org/c/ccs/pubs/CLIPS/JCE20020798.pdf -Kristie

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