Description

Hydroxylammonium Hydrogensulphate is an important inorganic salt widely used as a versatile reducing agent and chemical intermediate. Its primary commercial value lies in its ability to generate hydroxylamine in situ for various synthetic and purification processes. This compound is essential for manufacturers in the pharmaceutical, agrochemical, and polymer industries, where controlled reduction and synthesis are critical.

Application

• Pharmaceutical Synthesis: Key intermediate in the production of various active pharmaceutical ingredients (APIs), particularly oximes and hydroxamic acids.
• Caprolactam Production: Used in the manufacturing process of caprolactam, a precursor for nylon-6.
• Polymer Industry: Acts as a reducing agent and chain terminator in specific polymerization reactions.
• Water Treatment: Employed for oxygen scavenging and corrosion inhibition in boiler feed water systems.
• Photographic Development: Serves as a component in certain photographic developing solutions.
• Textile Processing: Used in dyeing and finishing processes as a reducing agent for vat dyes.
• Analytical Chemistry: Utilized as a reagent for the determination of carbonyl compounds and metals.
• Agrochemical Synthesis: Intermediate in the manufacture of certain herbicides and plant growth regulators.

Basic Information

Product Name	Hydroxylammonium Hydrogensulphate
CAS No.	10046-00-1
Molecular Formula	NH3OH·HSO4 / (NH3OH)HSO4
Molecular Weight	131.11 g/mol
Synonyms	Hydroxylamine Sulfate; Hydroxylamine Hemisulfate; Hydroxylammonium Sulfate; Hydroxylamine Acid Sulfate; Oxammonium Hydrogensulfate; Hydroxylammonium Sulphate; Hydroxylamine Sulphate; HAS
EINECS	233-150-7

Quality Control

Our Hydroxylammonium Hydrogensulphate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting key parameters are provided with every shipment to guarantee traceability and batch-to-batch consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be kept under dry conditions to prevent caking and degradation. Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0 %
pH (5% Solution)	2.0 - 4.0
Water (KF)	≤ 1.0 %
Insoluble Matter	≤ 0.1 %
Sulfate (as SO4)	Conforms

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