Description

Sasapyrine CAS NO 552-94-3 is a high-purity chemical compound, also known as 2,4-Diaminobenzenesulfonic acid, valued for its role as a key synthetic intermediate. This versatile building block is essential for producing a range of specialized chemicals, including dyes, pigments, and pharmaceutical agents. It is primarily required by manufacturers in the fine chemical, pharmaceutical, and agrochemical industries seeking reliable, high-quality raw materials for their synthesis processes.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of azo dyes and organic pigments, contributing to color strength and stability.
• Pharmaceutical Synthesis: Serves as a key building block in the manufacture of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Agrochemical Production: Used in the synthesis of specialized herbicides and plant growth regulators.
• Chemical Research & Development: Employed as a standard reagent in organic synthesis and material science research laboratories.
• Photographic Chemical: Finds application in the production of certain photographic developers and sensitizers.
• Corrosion Inhibitor Formulation: Used as a component in formulations designed to protect metals from corrosion.

Basic Information

Product Name	Sasapyrine
CAS No.	552-94-3
Molecular Formula	C6H8N2O3S
Molecular Weight	188.20 g/mol
Synonyms	2,4-Diaminobenzenesulfonic Acid; 1,3-Diaminobenzene-4-sulfonic Acid; 2,4-Diaminophenylsulfonic Acid; m-Phenylenediamine-4-sulfonic Acid; 4-Sulfo-m-phenylenediamine; Sasapyrine; 4-Amino-2-aminobenzenesulfonic Acid; Sulfanilic Acid, 2,4-Diamino-
EINECS	209-025-2

Quality Control

Our Sasapyrine is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identification, to ensure it meets stringent specifications for industrial and research use. A Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every shipment to guarantee traceability and compliance.

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). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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