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Sodium bisulfate

Description References
Sodium bisulfate
Sodium bisulfate structure
Chemical Name:
Sodium bisulfate
gbs;Fanal;SANILAV;nitercake;NITRE CAKE;SODIUM BISULFATE;SODIUM BISULPHATE;bisulfatedesodium;SODIUM ACID SULFATE;Sodium pyrosulfurate
Molecular Formula:
Formula Weight:
MOL File:

Sodium bisulfate Properties

Melting point:
315 °C
White to light yellow
Water Solubility 
soluble in 2 parts H2O, 1 part boiling H2O; decomposes in alcohol to sodium sulfate and H2SO4 [MER06]
Stable. Incompatible with strong bases, strong oxidizing agents, sodium carbonate, sodium hypochlorite. May decompose upon exposure to moist air or water.
CAS DataBase Reference
7681-38-1(CAS DataBase Reference)
EPA Substance Registry System
Sulfuric acid, monosodium salt(7681-38-1)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xi
Risk Statements  41
Safety Statements  24-26
RIDADR  3260
WGK Germany  1
RTECS  VZ1860000
HazardClass  8
PackingGroup  II
HS Code  28331900
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
Precautionary statements:
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Sodium bisulfate price More Price(6)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 307823 Sodium hydrogen sulfate technical grade 7681-38-1 2.5kg $145 2018-11-13 Buy
Sigma-Aldrich 307823 Sodium hydrogen sulfate technical grade 7681-38-1 20kg $515 2018-11-13 Buy
Alfa Aesar B25587 Sodium hydrogen sulfate, anhydrous, 90+%, remainder mainly sodium sulfate 7681-38-1 1000g $55.2 2018-11-13 Buy
Alfa Aesar B25587 Sodium hydrogen sulfate, anhydrous, 90+%, remainder mainly sodium sulfate 7681-38-1 250g $23.2 2018-11-13 Buy
Sigma-Aldrich 307823 Sodium hydrogen sulfate technical grade 7681-38-1 500g $43.1 2018-11-13 Buy

Sodium bisulfate Chemical Properties,Uses,Production


Sodium bisulfate is the sodium salt of sulfuric acid. It can be used as an acidifying/buffering agent in pesticide formulations applied to growing crops, as cooling and retort water treatment agent to inhibit corrosion on exteriors of canned goods, and as a feed additive.  Sodium bisulfate is used as a disinfectant in the manufacture of foods and pickling compounds. It is used in the dye industry and in the textile industry during bleaching step. Sodium bisulfate is also used as an acid bath in the jewelry for pickling, which removes the surface fire scale and oxides from the metal, leaving it a bright silver color.


[2] Keith A. Jones, Environmentally safe pesticide compositions, Patent US 5739172A, 1998
[3] I.I. Kassem, Y.M. Sanad, R. Stonerock and G. Rajashekara, An evaluation of the effect of sodium bisulfate as a feed additive on Salmonella enterica serotype Enteritidis in experimentally infected broilers, Poult Sci., 2012, vol. 91, 1032-1037
[3] Ruth Winter, A Consumer's Dictionary of Food Additives, 7th Edition, 2009
[4] Ari Ben-Menahem, Historical Encyclopedia of Natural and Mathematical Sciences, Volume 1, 2009
[5] Sara Schwalbenberg, The Creation of Jewelry, Olin College, 2005

Chemical Properties

Also known as sodium acid sulfate, niter cake, sodium hydrogen sulfate, NaHS04, is colorless crystals or white fused lumps,whose aqueous solution is strongly acid.It is soluble in water and noncombustible. Derived as a byproduct in the manufacture of hydrochloric acid and nitric acid, it is purified by recrystallization. Used as a flux for decomposing minerals,substitute for sulfuric acid in dyeing,disinfectant, in the manufacture of sodium hydrosulfide,sodium sulfate,and soda slum,for liberating CO2 in carbonic acid baths,in thermophores, for carbonizing wool, in the manufacture of magnesia cements,paper,soap,perfumes, foods, industrial cleaners, metal pickling compounds, and as a lab reagent.


Flux for decomposing minerals; substitute for sulfuric acid in dyeing; disinfectant; manufacture of sodium hydrosulfide, sodium sulfate, and soda alum; liberating CO 2 in carbonic acid baths, in thermophores; carbonizing wool; manufacture of magnesia cements, paper, soap, perfumes, foods, industrial cleaners, metal pickling compounds; lab reagent.


sodium bisulfate is an inorganic salt used as an anti-septic and a pH adjuster in cosmetic creams. Concentrated solutions can produce strong irritation.

General Description

Bisulfate, aqueous solution is a white crystalline solid dissolved in water. Sodium bisulfate is corrosive to metals and tissue.

Air & Water Reactions

Dissolves in water to give strongly acidic solutions.

Reactivity Profile

Acidic salts, such as various BISULFATES, are generally soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. Many of these compounds catalyze organic reactions. The combination of calcium hypochlorite, sodium hydrogen sulfate, starch, and sodium carbonate, when compressed, caused the materials to incandescence, followed by explosion, [Ind. Eng. Chem., 1937, 15, 282].


Strong irritant to tissue.

Health Hazard

TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

Fire Hazard

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.

Safety Profile

A corrosive irritant to skin, eyes, and mucous membranes. Mutation data reported. Reacts with moisture to form sulfuric acid. Uxtures with calcium hypochlorite + starch + sodium carbonate explode when compressed. Violent reaction with acetic anhydride + ethanol may lead to ignition and a vapor explosion. Incompatible with calcium hypochlorite. When heated to decomposition it emits toxic fumes of SO, and NanO. See also SULFATES.

Sodium bisulfate Preparation Products And Raw materials

Raw materials

Preparation Products

Sodium bisulfate Suppliers

Global( 142)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Henan DaKen Chemical CO.,LTD.
+86-371-55531817 CHINA 21954 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693 CHINA 20680 55
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32457 55
Chemwill Asia Co.,Ltd.
86-21-51861608;;; CHINA 24001 58
Hubei Jusheng Technology Co.,Ltd.
86-188-71490254 CHINA 20095 58
Haihang Industry Co.,Ltd
+86 531 8582 1093 CHINA 4669 58
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) China 40277 62
Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 China 30168 84
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800 China 44046 61

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