Description

Ammonium Hydrogen Sulfate is an important inorganic salt with versatile chemical functionality. It serves as a key intermediate and reagent in numerous industrial processes, valued for its dual acidic and ammonium ion properties. This compound is essential for manufacturers and R&D facilities in sectors such as chemical synthesis, water treatment, and electronics, where precise and reliable raw materials are critical for product quality and process efficiency.

Application

• Chemical Synthesis: Acts as a catalyst or a mild acidic reagent in organic synthesis and polymerization reactions.
• Water Treatment: Used in pH adjustment and as a flocculant aid in industrial wastewater and boiler water treatment systems.
• Electronics & Metal Processing: Employed in electroplating baths, metal surface treatment, and the etching and cleaning of semiconductor components.
• Flame Retardants: Serves as a component in formulations for fire-resistant materials, including textiles and polymers.
• Laboratory Reagent: Used as a standard or buffer component in analytical chemistry and research laboratories.
• Fertilizer & Agriculture: Functions as a source of both nitrogen and sulfur in specialized fertilizer blends for soil amendment.
• Textile Industry: Applied in dyeing and printing processes as a pH regulator and fixing agent.
• Food Industry (as processing aid): Used in specific food processing applications where approved, such as a pH control agent.

Basic Information

Product Name	Ammonium Hydrogen Sulfate
CAS No.	7803-63-6
Molecular Formula	NH4HSO4
Molecular Weight	115.11 g/mol
Synonyms	Ammonium Bisulfate; Acid Ammonium Sulfate; Ammonium Acid Sulfate; Monoammonium Sulfate; Sulfuric Acid, Monoammonium Salt; Ammonium Hydrogen Sulphate; Ammonium Sulphate, Acid
EINECS	232-265-5

Quality Control

Our Ammonium Hydrogen Sulfate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and compliance with your requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption and caking. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White crystalline solid or lumps
Identification (IR)	Conforms
Assay (NH4HSO4)	≥ 98.0 %
pH (5% solution)	1.0 - 2.0
Water Insoluble Matter	≤ 0.05 %
Chloride (Cl)	≤ 0.005 %
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 20 ppm

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