Industrial Grade Sodium Sulfide Na2S 60% CAS No.:1313-82-2

Other Names:

Sodium monosulfide; Sodium sulfide (Na2S); sodium sulfuret; Sodium Sulphide; Disodium monosulfide; Disodium sulfide; disodiummonosulfide; disodiumsulfide; Hesthsulphid; Na2-S; disodium sulfanide; sodium sulfidosodium

Molecular Formula: Na2S

UN No.: 1849

HS No.:2830101000

CAS No.: 1313-82-2

EINECS No.: 215-211-5

Hazard Class:  8

Purity: 60%

Appearance: Yellow and Red Flakes

Grade Standard:  Industrial Grade

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Physical and Chemical Properties:

Sodium sulfide is the chemical compound with the formula Na2S, or more commonly its hydrate Na2S•9H2O. Both the anhydrous and the hydrated salts are colorless solids, They are water-soluble, giving strongly alkaline solutions. When exposed to moist air, Na2S and its hydrates emit hydrogen sulfide, which smells like rotten eggs. Some commercial samples are specified as Na2S•xH2O, where a weight percentage of Na2S is specified. Commonly available grades have around 60% Na2S by weight, which means that x is around 3. Such technical grades of sodium sulfide have a yellow appearance owing to the presence of polysulfides. These grades of sodium sulfide are marketed as 'sodium sulfide flakes'.

China Sodium Sulfide:Shijiazhuang Xinlongwei Chemical Co., Ltd.

Grade Standard: Industrial Grade

ITEM STANDARD STANDARD STANDARD   II STANDARD   III STANDARD STANDARD

Fe 10ppm   max 20ppm   max 30ppm   max 80ppm   max 150ppm   max 1500ppm   max

Na2S 60%min 60%min. 60%min. 60%min. 60%min. 60%min.

Water   insolubles 0.03%max 0.10%max. 0.18%max. 0.20%max. 0.30%max. 0.40%max.

Na2CO3 1.80%max 1.80%max. 1.80%max. 2.00%max. 3.00%max. 5.00%max.

Na2SO3 1.00%max 1.80%max. 1.80%max. 2.00%max. 2.00%max. 2.00%max.

Na2S2O3 2.00%max 2.00%max. 2.00%max. 2.00%max. 2.00%max. 2.00%max.

Colour                                                                       Yellow RED

Application: 

Sodium sulfide is primarily used in the kraft process in the pulp and paper industry.

It is used in water treatment as an oxygen scavenger agent and also as a metals precipitant; in chemical photography for toning black and white photographs; in the textile industry as a bleaching agent, for desulfurising and as a dechlorinating agent; and in the leather trade for the sulfitisation of tanning extracts. It is used in chemical manufacturing as a sulfonation and sulfomethylation agent. It is used in the production of rubber chemicals, sulfur dyes and other chemical compounds. It is used in other applications including ore flotation, oil recovery, making dyes, and detergent. It is also used during leather processing, as an unhairing agent in the liming operation.contact us for more information.