Description

Nitrosylsulfuric Acid is a versatile and highly reactive chemical intermediate, primarily recognized for its role as a potent nitrosating agent. Its significance lies in its ability to introduce nitroso groups into organic molecules, a critical step in synthesizing dyes, pharmaceuticals, and specialty chemicals. This compound is essential for manufacturers and R&D laboratories in the fine chemical, agrochemical, and pharmaceutical sectors seeking reliable and high-purity nitrosation reagents.

Application

• Diazotization Agent: A key reagent in the diazotization process for the production of azo dyes and pigments.
• Pharmaceutical Intermediate: Used in the synthesis of various active pharmaceutical ingredients (APIs) requiring nitrosation steps.
• Organic Synthesis: Employed as a nitrosating agent in the preparation of nitroso compounds, oximes, and other specialty organic chemicals.
• Catalyst and Reagent: Functions in specific catalytic cycles and as a reagent in oxidation and nitration-related chemical transformations.
• Laboratory Research: Utilized in academic and industrial R&D for method development and small-scale synthesis.
• Chemical Manufacturing: Integral to processes in the fine chemical and agrochemical industries for building complex molecular structures.

Basic Information

Product Name	Nitrosylsulfuric Acid
CAS No.	7782-78-7
Molecular Formula	HNO5S
Molecular Weight	127.08 g/mol
Synonyms	Nitrosylsulfuric Acid; Nitrosyl Hydrogen Sulfate; Chamber Crystals; Nitrosonium Hydrogen Sulfate; Nitrosylsulphuric Acid; HSDB 5076; Nitrosonium bisulfate; NOHSO4
EINECS	231-964-1

Quality Control

Our Nitrosylsulfuric Acid is manufactured under stringent quality control protocols to ensure batch-to-batch consistency and high purity. We adhere to relevant industry standards, and each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. This commitment to quality assurance provides our B2B partners with the reliability required for their critical manufacturing processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases, organic materials, and reducing agents. Due to its nature as a strong acid/organic solvent and being easily oxidized, it is recommended to handle and store under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow crystalline solid or solution
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Free Sulfuric Acid	Reported on COA

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