Description

Diphenylaminesulfonic Acid Sodium Salt is a high-purity organic salt widely utilized as a key intermediate and analytical reagent. Its primary value lies in its role as a precursor for dyes, pigments, and specialized chemical synthesis, offering consistent performance and reliable quality. This product is essential for manufacturers and research laboratories in the chemical, pharmaceutical, and material science sectors seeking a dependable supply of this specific compound.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of acid dyes, food colorants, and other organic pigments.
• Analytical Chemistry: Used as a reagent in specific colorimetric assays and detection methods.
• Pharmaceutical Synthesis: Serves as a building block in the production of certain active pharmaceutical ingredients (APIs) and fine chemicals.
• Electrochemical Research: Investigated for use in electrode modification and sensor development due to its sulfonate group.
• Polymer Additive: Can function as a stabilizer or property-modifying agent in specialized polymer formulations.
• Corrosion Inhibitor Formulation: Used in research and development of advanced corrosion protection systems for metals.

Basic Information

Product Name	Diphenylaminesulfonic Acid Sodium Salt
CAS No.	30582-09-3
Molecular Formula	C12H10NNaO3S
Molecular Weight	271.27 g/mol
Synonyms	4-(Phenylamino)benzenesulfonic acid sodium salt; Sodium diphenylamine-4-sulfonate; N-Phenylsulfanilic acid sodium salt; Diphenylamine-4-sulfonic acid sodium salt; DPA-Na; Sodium 4-anilinobenzenesulfonate; N-Phenyl-4-aminobenzenesulfonic acid sodium salt; Ferroin indicator component
EINECS	250-250-6

Quality Control

Our Diphenylaminesulfonic Acid Sodium Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for industrial and research applications. A detailed Certificate of Analysis (COA) confirming identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 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
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Solubility (1% in Water)	Clear, colorless to pale yellow solution

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