Description

n-Phenylsulfamic Acid is an important organic intermediate and analytical reagent. This compound is valued for its role as a versatile building block in the synthesis of more complex sulfonamide derivatives and dyes. It is primarily utilized by manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical industries for process development and quality control applications.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various sulfa drugs and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as an intermediate for azo dyes and other colorants.
• Analytical Chemistry: Employed as a reagent for the detection and quantification of specific functional groups or metal ions.
• Corrosion Inhibitor Formulation: A component in specialty chemical blends designed to protect metal surfaces.
• Polymer Modification: Used to introduce sulfonamide groups into polymer chains to alter material properties.
• Research & Development: A valuable compound for academic and industrial research in organic synthesis and medicinal chemistry.

Basic Information

Product Name	n-Phenylsulfamic Acid
CAS No.	3345-86-6
Molecular Formula	C6H7NO3S
Molecular Weight	173.19 g/mol
Synonyms	Benzenesulfamic Acid; Phenylsulfamic Acid; Anilinesulfonic Acid; Sulfanilic Acid Amide; N-Phenyl Sulfamic Acid; PSA; Phenylsulphamic Acid; Aminobenzenesulfonic Acid
EINECS	222-099-5

Quality Control

Our n-Phenylsulfamic Acid is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including purity assay and impurity profiling, to ensure it meets the high standards required for industrial and research applications. Certificates of Analysis (COA) detailing specific batch results are available upon request to support your quality assurance protocols.

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). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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