Chemical of China

Sodium Hydrosulfide

Other names: Sodium bisulfide
CAS number: 16721-80-5

Molecular formula: NaHS
Molecular Weight: 56.06

Characteristics:
Sodium hydrosulfide is colorless needle-like crystal , easy to be deliquesced , it will decomposed and release hydrogen disulfide at its melting point , soluble in water and alcohols, its water solution is strongly alkaline, it will generate hydrogen disulfide when reacting with acids. The industrial good is solution, orange or yellow, bitter taste.

Specification:

Item Standard
Assay , % ≥ 75 70
Sodium sulphide , % ≤ 0.1 0.5
Sodium sulphite , %≤ 1 1.5
Fe , % ≤ 0.003 0.003
Sodium carbonate , % ≤ 0.6 1
Water-insolubles , %≤ 0.005 0.005

Packing:
In 25kg woven bag lined with plastic inner or 200kg drum or plastic drum.

Use:
Sodium hydrosulfide is used in the synthesis of organic intermediates and in the preparation of auxiliary agent of sulfur dyes; in the waste water treatment; it is the raw material to produce ammonium sulphate and ethanethiol (semi-finished products); used in the copper ore beneficiation, also in the sulfurous acid dyeing of manmade fibre.

Storage:
Keep sodium hydrosulfide only in closed, properly labeled containers. Do not store in zinc, aluminum, or copper containers. Store in cool, dry, ventilated area to prevent it from being deliquescent. Separated from acids, acidic materials, oxidizing agents.

MSDS: Available when required.

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