ammOnium sulfite cas 10196-04-0

CAS No.:10196-04-0
Molecular Formula: H8N2O3S
Molecular Weight:116.14
Appearance: White Powder

Description AMMONIUM SULFITE Details Chemical Name:AMMONIUM SULFITE CAS No.:10196-04-0 Molecular Formula: H8N2O3S Molecular Weight:116.14 MolecularStructure: Appearance: White Powder AMMONIUM SULFITE Typical Properties Item Specifications Ammonium SulfitemonohydrateContent % ≥90 Ammonium bisulfite or ammonium BicarbonateContent % ≦0.5 Ammonium SulfateContent % ≦5.0 Appearance White Powder AMMONIUM SULFITE Usage 1. Used in ammonium-based pulping and papermaking for the paper industry 2. Used in laboratory to prepare sulfur dioxide 3.Used as reducing agent for photographic, chemical, printing and dyeing industries 4. Used as raw materials for hair waving agent and chemical intermediates 5. Used as a chemical fertilizer for agricultural production AMMONIUM SULFITE Packaging and Shipping Packing: 25kg/drum AMMONIUM SULFITE Storage Stored in cool dry and ventilated place away from light
AMMONIUM SULFITE, Promotion Season Now in Store and Free Sample for Testing with Factory Price

Chemical Name: Ambroxan
CAS No.: 10196-04-0
Molecular Fomula: H8N2O3S
Molecular weight: 116.14
Appearance: Colorless monoclinic crystalline system


Basic Info of ammoniumsulphite

Chemical Name



Ammonium sulfonate;Diammonium sale;Diammonium sulfite;Diammonium sulfonate;Ammonium sulphite; Expand



Molecular Formula


Molecular Weight






Safety Info

Hazard Class


Safety Statements


Packing Group


WGK Germany




Risk Statements


Hazard Codes




Supplemental Hazard Statements

Contact with acids liberates toxic gas.

Caution Statement

P261; P305 + P351 + P338

Signal Word


Hazard Declaration

H315; H319; H335


Appearance & Physical State

white crystals



Boiling Point


Melting Point



Stable. Efflorescent. Incompatible with acids, strong oxidizing agents.

Numbering system
EINECS number233-484-9
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What is ammoniumsulphite?

  • With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is AMMONIUM SULFITE which has developed particularly rapidly in recent years. Do you know about AMMONIUM SULFITE?
  • The official answer: Ammonium sulfate is an inorganic compound with the chemical formula (NH4)2SO3. colorless monoclinic crystals, soluble in water, its aqueous solution is weakly alkaline. Slightly soluble in alcohol. Insoluble in acetone and carbon disulfide. Easily oxidized in air. 60-70℃ decomposition. Mainly used in the paper industry, also used as a reducing agent in the photographic industry, used as the raw material of hair curling liquid in the daily chemical industry. It can be made from the reaction between the absorption solution of acid tail gas and ammonium bicarbonate, and then separated and dried by centrifugation.

What’s the application of ammoniumsulphite?

Reducing agent. Lubricant for metal cold working.
Used as an efficient absorber to remove a small amount of hydrogen sulfide in gas, and can be used in medicine, photographic reductant, dye intermediates.
Upstream raw materials: ammonia, sulfur dioxide, synthetic ammonia, sulfur, sulfuric acid, ammonium bicarbonate, ammonium bisulfite, liquid ammonia.
Downstream products: sulfur dioxide (liquid), caramel pigment.

Overview of ammoniumsulphite

  • Ammonium sulfate is a colorless crystal, easily deliquescent. Easily soluble in water, its aqueous solution is weakly alkaline, slightly soluble in ethanol, insoluble in acetone. It is easily oxidized to ammonium sulfate in the air. When heated, it can be decomposed into ammonia and sulfur dioxide.
  • Method: It can be made by absorbing the tail gas of sulfuric acid with water, then reacting with ammonium bicarbonate, separating, and drying.
  • The reaction formula is as follows: industrial ammonium sulfite content: first-class products ≥ 85%, secondary products ≥ 80%. Mainly used in the paper industry, ammonium sulfite pulp and paper, can also be used in the laboratory to produce sulfur dioxide, photographic, chemical industry, dyeing industry, reducing agent and curling water raw materials and production of chemical intermediates, etc., can also be used as chemical fertilizer for agricultural production.
  • The product can be packed in plastic bags lined with plastic and woven bags outside and should be stored in a cool, dry warehouse to prevent oxidation and moisture, and the storage time should not be too long.
  • This product was first produced in 1967 in Shandong Tai’an paper mill, where the ammonium sulfite method was tested, and sulfur dioxide gas was produced by burning sulfur ore or sulfur, and ammonia was absorbed to produce liquid ammonium sulfite


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