Sodium hydrosulfide
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Description
Colorless needles. Sodium hydrosulfide is used in the manufacture of Viscose rayon, and Cellophane to remove sulfur compounds. It is also used to dehair hides.
Synonyms and Related Terms
sodium sulfhydrate; sodium bisulfide; sodium hydrogen sulfide
Risks
- Reacts with acids to evolve toxic fumes.
- Flammable. Flash point = 90C
- Hygroscopic.
- Contact causes irritation and burns.
- Fisher Scientific: MSDS
Physical and Chemical Properties
Soluble in water, ethanol, ether.
| Composition | NaSH - 2H2O |
|---|---|
| CAS | 16721-80-5 |
| Melting Point | 55 C |
| Density | 1.79 |
| Molecular Weight | mol. wt. = 56.06 |
Resources and Citations
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 8730