Brand: tianshui
Model: 70%
Price: CNY 4200 / MT
Min. Order: 1 MT
Product Name: Sodium Hydrosulfide
Molecular Formula: NAHS
Molecular Weight: 56.06
CAS No.: 16721-80-5

Physical and Chemical Properties:
1)Physical State: Yellowish and crystal
2)Solubility in Water: Very Soluble
3)Stability: Stable under ordinary conditions

Specification:
1) Appearance: Colorless or light yellow, volatile, flammable liquid.
2) Assay: 70.00% min.
3) Insolubles in Water: 0.005% max.
4) Fe: 0.003% max.
5) Na2S: 2.0% min.
6) Na2SO3 1.0% min.
7) Na2CO3 0.6% min.
9) Packing: Woven bag lined with plastic bag(net weight is 25 kg or 900kg; Or iron drum or plastic drum(net weight is 200kg or 150kg)

Application:
Used as an accelerating agent for synthesizing organic matter and as an aid to color products by sulfuration. Depilatory in tanning and leather, it can also be used to treat waste water. Desulphur agent in chemical fertilizer, as sulfide dye agent in synthetic fibre. Manufacture of ammonium sulfide, ethyl sulphur alcohol. Raw material and semi-products in thiourea production. As floatation agent in copper ore. As sulfide dye agent in synthetic fibre.
Index Content
Flake or Solid Liquid
Assay,% ≥ 75 70 40 35
S odium sulphide,% ≤ 0.1 0.5 1 1.5
S odium sulphite,%≤ 1 1.5 / /
Fe,% ≤ 0.003 0.003 / /
S odium carbonate,% ≤ 0.6 1 / /
Water-insolubles,%≤ 0.005 0.005 / /