Description

Ammonium bisulphite solution is a versatile inorganic chemical compound widely used as a powerful reducing agent and preservative. Its primary commercial value lies in its ability to scavenge oxygen and inhibit oxidation, protecting products and processes from degradation. This solution is essential for industries ranging from water treatment and food processing to textile manufacturing and photography.

Application

• Water Treatment: Acts as a dechlorinating agent and oxygen scavenger in boiler feed water and wastewater treatment systems.
• Food & Beverage Industry: Used as a preservative and antioxidant (E number) to prevent spoilage and maintain color in products like wine, fruit juices, and dried fruits.
• Pulp & Paper Manufacturing: Employed in chemical pulping processes and as a bleaching agent for mechanical pulp.
• Textile Industry: Serves as a reducing agent in dyeing and printing processes, particularly for vat dyes.
• Photography: Used in photographic developing solutions as a reducing agent.
• Chemical Synthesis: Functions as a reducing agent in various organic synthesis reactions and in the production of other chemicals.
• Leather Tanning: Applied in the deliming and pickling stages of leather processing.
• Oil & Gas Industry: Utilized as an oxygen scavenger and corrosion inhibitor in secondary oil recovery and pipeline systems.

Basic Information

Product Name	Ammonium Bisulphite Solution
CAS No.	10192-30-3
Molecular Formula	NH4HSO3
Molecular Weight	99.10 g/mol
Synonyms	Ammonium Hydrogen Sulfite; Ammonium Metabisulfite (in solution); Monoammonium Sulfite; Sulfurous Acid, Monoammonium Salt; Ammonium Sulfite Monobasic; E227 (Food Additive); ABS; Ammonium Acid Sulfite
EINECS	233-469-7

Quality Control

Our Ammonium bisulphite solution is manufactured under strict quality management protocols. Each batch is tested to ensure it meets precise specifications for assay, sulfite content, and impurity profiles. Certificates of Analysis (COA) are provided with every shipment, and we can support compliance with relevant standards such as Food Chemical Codex (FCC) for food-grade applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong acids and oxidizers. This product is easily oxidized; prolonged storage under air should be avoided to maintain efficacy. Recommended storage temperature is between 15°C and 25°C.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Assay (as SO2)	Contact for details
Identification (IR)	Conforms
pH (of solution)	Contact for details
Heavy Metals (as Pb)	< 10 ppm
Iron (Fe)	< 5 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.