Description

Disodium 4-Hydroxy-7-[(1-Oxodecyl)Amino]-3-[(2-Sulphonatophenyl)Azo]Naphthalene-2-Sulphonate is a high-purity, water-soluble azo dye intermediate known for its excellent chromophore properties. This compound is critical for manufacturers requiring consistent color strength and stability in demanding formulations. It is primarily utilized by producers of specialized dyes and pigments for textiles, inks, and advanced material coatings.

Application

• Textile Dyeing: As a key intermediate for synthesizing reactive and direct dyes for cotton, wool, and nylon fibers.
• Ink Manufacturing: Used in the production of high-performance pigments for industrial printing and inkjet inks.
• Functional Material Coatings: Serves as a colorant precursor in coatings for plastics, papers, and specialty polymers.
• Research & Development: Employed in chemical research for developing new chromogenic compounds and analytical reagents.
• Leather Finishing: Utilized in the formulation of dyes for coloring leather goods.

Basic Information

Item	Details
Product Name	Disodium 4-Hydroxy-7-[(1-Oxodecyl)Amino]-3-[(2-Sulphonatophenyl)Azo]Naphthalene-2-Sulphonate
CAS No.	71873-40-0
Molecular Formula	C32H35N4Na2O9S2
Molecular Weight	728.73 g/mol
Synonyms	Acid Orange 116; C.I. 26410; Disodium 7-(decanoylamino)-4-hydroxy-3-[(2-sulfophenyl)azo]naphthalene-2-sulfonate; 2-Naphthalenesulfonic acid, 7-(decanoylamino)-4-hydroxy-3-[(2-sulfophenyl)azo]-, disodium salt; C.I. Acid Orange 116; Decanamide, N-[7-hydroxy-6-[(2-sulfophenyl)azo]-8-sulfo-2-naphthalenyl]-, sodium salt (1:2); Azo dye intermediate 71873-40-0
EINECS	Contact for details

Quality Control

Our production of Disodium 4-Hydroxy-7-[(1-Oxodecyl)Amino]-3-[(2-Sulphonatophenyl)Azo]Naphthalene-2-Sulphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure high purity, consistent color value, and low impurity levels, meeting the specifications required for industrial dye synthesis. Certificates of Analysis (COA) documenting identity, assay, and related substances are available upon request.

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

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Freely soluble

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