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Cas No: 1313-84-4
USD $ 1.0-1.0 / Kilogram 1 Kilogram 100 Metric Ton/Day HENAN SUNLAKE ENTERPRISE CORPORATION Contact Supplier
Sodium sulfide nonahydrate in stock
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USD $ 3.0-3.0 / Kilogram 1 Kilogram 100 Metric Ton/Month Hangzhou Dayangchem Co., Ltd. Contact Supplier
Sodium sulfide nonahydrate
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No Data 10 Milligram Amadis Chemical Co., Ltd. Contact Supplier
Hot sale 1313-84-4 SODIUM SULPHIDE HYDRATE with best price
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USD $ 1000.0-1500.0 / Kilogram 1 Kilogram 100 Metric Ton/Month Crovell Biotech (Hebei) Co., Ltd. Contact Supplier
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USD $ 1000.0-1000.0 / Kilogram 1 Kilogram 100 Gram/Day Weifang Tansen Yiang international trading co., LTD Contact Supplier
Sodium sulfide manufacturer
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No Data No Data No Data Shaanxi Mingqi Chemical Co., Ltd Contact Supplier
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USD $ 1.0-3.0 / Gram 10 Gram 1000 Kilogram/Month Wuhan Monad Medicine Tech Co.,LTD Contact Supplier
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No Data 10 Gram 100 Kilogram/Week Changchun Artel lmport and Export trade company Contact Supplier
Sodium sulfide nonahydrate
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No Data No Data No Data Xiamen Hisunny Chemical Co.,Ltd Contact Supplier
Sodium sulfide nonahydrate
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1313-84-4 Usage


Sodium sulfide in solid form reacts with carbon dioxide in the presence of moisture to form hydrogen sulfide and sodium carbonate. Thus, the H2S odor of sodium sulfide crystals is attributed to its exposure to moist air:
Na2S + H2O + CO2 → Na2CO3 + H2S
In aqueous solution, sodium sulfide reacts with a number of metal salts forming insoluble sulfides.
When added to dilute mineral acids, hydrogen sulfide is generated.

Chemical Properties

colourless, white or yellow crystals with an odour of rotten eggs


Sodium sulfide is prepared by heating sodium bisulfate with sodium chloride and coal above 950°C. The product mixture is extracted with water and the hydrated sulfide is obtained from the solution by crystallization:
NaHSO4 + NaCl + 2C → Na2S + 2CO2↑ + HCl↑
Sodium sulfide also is produced from its elements in liquid ammonia:
Na + 2S → Na2S


Sodium sulfide is used in making sulfur dyes; for dehairing of hides; removing sulfur from viscous rayon; engraving and lithography; cotton printing; manufacturing rubber; paper pulp; and as a photographic reagent. Other major applications are for treating paper and for extracting gold ores where oxidized metal ores are converted to sulfides prior to froth flotation. Sodium sulfide also is used in preparing many other sulfides and as an analytical reagent.


sodium sulphide nonahydrate; sulfur dyestuff; leather depilatory;rayon denitration;dyeing auxiliary;sodium sulphide;including crystallization water; sodium sulphide or sulfureT;dyeing auxiliary

Physical Properties

The nonahydrate is a yellowish-white crystalline solid; tetragonal crystals; odor of hydrogen sulfide; the color changes on exposure to light and air, first turning to yellow and then becoming brownish-black, deliquescent; density 1.43 g/cm3; decomposes at about 50°C; very soluble in water; aqueous solution strongly alkaline; slightly soluble in alcohol; insoluble in ether.

Purification Methods

Some purification of the hydrated salt can be achieved by selecting large crystals and removing the surface layer (contaminated with oxidation products) by washing with distilled water. Other metal ions can be removed from Na2S solutions by passage through a column of Dowex ion-exchange A-1 resin, Na+-form. The hydrated salt can be rendered anhydrous by heating it in a stream of H2 or N2 until water is no longer evolved. (The resulting cake should not be heated to fusion because it is readily oxidised.) Recrystallise it from distilled water [Anderson & Azowlay J Chem Soc, Dalton Trans 469 1986]. Note that sodium sulfide hydrolyses in H2O to form NaHS + H2O, and is therefore alkaline. A 0.1N solution in H2O is 86% hydrolysed at room temperature. Its solubility in H2O is 8% at 0o, 12% at 20o and 30% at 50o. The anhydrous salt is obtained by allowing it to stand in a vacuum over conc H2SO4 or P2O5 at 45o to start with, then at 30-35o when the salt contains 4% of water. The last traces of water are removed by heating to 700o in a glass or porcelain tube in a stream of H2 to give pure H2S. [Fehér in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I pp 358-360 1963.]

1313-84-4 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Sigma-Aldrich (208043)  Sodiumsulfidenonahydrate  ACS reagent, ≥98.0% 1313-84-4 208043-500G 1,148.94CNY Detail
Sigma-Aldrich (208043)  Sodiumsulfidenonahydrate  ACS reagent, ≥98.0% 1313-84-4 208043-100G 553.41CNY Detail
Sigma-Aldrich (208043)  Sodiumsulfidenonahydrate  ACS reagent, ≥98.0% 1313-84-4 208043-5G 455.13CNY Detail
Aldrich (431648)  Sodiumsulfidenonahydrate  ≥99.99% trace metals basis 1313-84-4 431648-250G 3,397.68CNY Detail
Aldrich (431648)  Sodiumsulfidenonahydrate  ≥99.99% trace metals basis 1313-84-4 431648-50G 1,023.75CNY Detail
Sigma-Aldrich (S2006)  Sodiumsulfidenonahydrate  ≥98.0% 1313-84-4 S2006-500G 924.30CNY Detail
Alfa Aesar (36622)  Sodium sulfide nonahydrate, ACS, 98.0% min    1313-84-4 1kg 440.0CNY Detail
Alfa Aesar (36622)  Sodium sulfide nonahydrate, ACS, 98.0% min    1313-84-4 250g 303.0CNY Detail



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017


1.1 GHS Product identifier

Product name sodium sulfide nonahydrate

1.2 Other means of identification

Product number -
Other names Sodium sulfide nonahydrate

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

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