Description

o-Phenylenediamine Sulfate is an important organic salt derivative of o-phenylenediamine, offering enhanced stability and handling properties for industrial synthesis. This compound serves as a critical precursor and intermediate in the production of high-value heterocyclic compounds and functional dyes. It is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors seeking reliable, high-purity building blocks.

Application

• Pharmaceutical Intermediate: Key starting material for the synthesis of benzimidazole-based active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of fungicides, herbicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Acts as a crucial intermediate for azo dyes, hair dyes, and other complex colorants.
• Polymer and Resin Industry: Employed in the synthesis of polybenzimidazoles (PBI) and other high-performance polymers.
• Corrosion Inhibitor Formulation: A component in specialty chemical blends for metal surface treatment.
• Research & Development: Serves as a versatile building block in organic chemistry and material science research.
• Chemical Reagent: Used in analytical chemistry and as a reagent for specific organic transformations.

Basic Information

Product Name	o-Phenylenediamine Sulfate
CAS No.	209064-27-7
Molecular Formula	C6H10N2O4S
Molecular Weight	206.22 g/mol
Synonyms	1,2-Diaminobenzene Sulfate; o-Diaminobenzene Sulfate; Benzene-1,2-diamine Sulfate; 1,2-Phenylenediamine Sulfate; OPDA Sulfate; 1,2-Benzenediamine, sulfate (1:1); Sulfuric acid, compd. with 1,2-benzenediamine (1:1)
EINECS	Contact for details

Quality Control

Our o-Phenylenediamine Sulfate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) with full traceability are provided for every shipment.

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); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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