Description

Phenylhydrazine Disodium Sulfonate is an important sulfonated aromatic hydrazine derivative, primarily utilized as a key intermediate in the synthesis of specialized dyes and pigments. Its value lies in its ability to introduce specific chromophoric and auxochromic groups, enabling the production of vibrant and stable colors. This compound is essential for manufacturers in the dyestuff, textile, and specialty chemical industries seeking to develop high-performance colorants.

Application

• Dye and Pigment Intermediate: A crucial building block in the synthesis of azo dyes, acid dyes, and reactive dyes, contributing to color strength and fastness properties.
• Textile Colorants: Used in the manufacturing of dyes for coloring natural and synthetic fibers like wool, silk, and nylon.
• Chemical Synthesis: Serves as a specialized reagent in organic synthesis for introducing the phenylhydrazine moiety into target molecules.
• Research & Development: Employed in laboratory settings for developing new chromogenic compounds and analytical reagents.
• Specialty Inks: Potential use in formulating high-performance inks requiring specific chemical resistance or color properties.

Basic Information

Product Name	Phenylhydrazine Disodium Sulfonate
CAS No.	85095-81-4
Molecular Formula	C₆H₇N₂Na₂O₃S
Molecular Weight	248.17 g/mol
Synonyms	Disodium Phenylhydrazine Sulfonate; Phenylhydrazine-4-sulfonic Acid Disodium Salt; 4-Hydrazinobenzenesulfonic Acid Disodium Salt; Benzenesulfonic acid, 4-hydrazino-, disodium salt; Phenylhydrazine-m-sulfonic Acid Disodium Salt (common name); Diazene, phenyl-, sodium sulfonate derivative
EINECS	Contact for details

Quality Control

Our Phenylhydrazine Disodium Sulfonate is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and consistency. Certificates of Analysis (COA) documenting these 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, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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