Sodium hydrosulfide, Sodium Bisulfide;
NaHS, CAS no.16721-80-5;
Orange or yellow flakes;
For minning industry;
For leather and textile industry.

Chemical Identification

Common Name:	Sodium Hydrosulfide
Synonyms:	Sodium Bisulfide; Sodium Hydrogen Sulfide; Sodium Hydrosulphide; Sodium Sulfhydrate;
CAS No.:	16721-80-5
EINECS No.:	240-778-0
Appearance:	Orange or yellow flakes
Density:	1.79
Flash Point:	90ºC
Melting Point:	55ºC
Stability:	Stable, but hygroscopic. Flammable solid.
Molecular Formula:	NaHS
Molecular Weight:	56.06
Molecular Structure:

Product Information

Specifications:

Specifications of sodium bisulfide

Product name: Sodium Hydrosulfide Manufacturer: Ningbo Titan Unichem Co., Ltd.
TEST ITEMS	SPECIFICATIONS
Appearance	Orange flakes	Yellow transparent liquid
NaHS	70.0% min	40%min
Na2S	3.0% max	1.5% max
Na2CO3	1.0% max	/
Fe	0.003% max	15ppm max
Water Insoluble	0.005% max	0.01%max

Pictures:

 

Loading of sodium hydrosulfide from TITAN UNICHEM.

 

Loading of sodium hydrosulfide from TITAN UNICHEM.

 

Loading of sodium hydrosulfide from TITAN UNICHEM.

Packaging:

• Packed in 25Kg PP-PE woven bag, 900KG jumbo bag;

• Or package as per customer's request.

Delivery Lead Time:

• Prompt shipment within 2 weeks.

Storage & Handling:

• Store in a cool, dry and well-ventilated place.

• Do not store in zinc, aluminum, or copper containers.

• Keep only in closed containers, prevent from being deliquescent.

• Keep away from acids, acidic materials, oxidizing agents.

Safety Information:

RIDADR:	UN 2949 8
Packing Group:	II
HS Code:	2830109000
Safety Statements:	S25-S36/37/39-S45-S50
Risk Statements:	R31;R34
Hazard Codes:	C: Corrosive

Application

Descriptions:

• Industrial grade sodium hydrosulfide is an orange flakes or yellow transparent liquid.

• Sodium hydrosulfide is corrosive to skin and metal.

• Sodium hydrosulfide easily dissolves in water and ethanol.

• Sodium hydrosulfide presents strong alkaline when dissolved in water.

• Sodium hydrosulfide will become black liquid when the temperature is about 350ºC.

Uses:

• In mining industry, Sodium hydrosulfide is used as a flotation agent in copper ore beneficiation.

• In dying industry, Sodium hydrosulfide is used as an accelerating agent for synthesizing organic matter and auxiliary agent of sulfur dyes.

• In leather industry, Sodium hydrosulfide is used as depilatory in tanning and leather for hair removal.

• Sodium hydrosulfide is the raw material to produce ammonium sulphate and ethanethiol (semi-finished products).

• Sodium hydrosulfide is used in the sulfurous acid dyeing of manmade fibers.

• Sodium hydrosulfide is used in production of fertilizer.

• Sodium hydrosulfide is also widely used in water treatment.