Description

Disodium Hydrogen -7-[[4-Amino-2-[(Aminocarbonyl)Amino]Phenyl]Azo]Naphthalene-1,3,6-Trisulphonate is a high-purity, water-soluble azo dye intermediate of significant industrial importance. This compound is valued for its role in synthesizing specific, high-performance dyes and pigments, offering excellent color properties and stability. It is primarily sought by manufacturers in the textile, ink, and specialty chemical industries for producing vivid and durable colorants.

Application

• Key intermediate for the synthesis of reactive dyes and acid dyes used in textile coloring.
• Precursor in the manufacturing of pigments for inks, including printing and packaging inks.
• Used in the production of colorants for leather and paper products.
• Intermediate for research and development of novel functional dyes with specialized optical properties.
• Potential use in the synthesis of biological stains and diagnostic reagents.
• Starting material for creating dye-based sensors or indicators in analytical chemistry.

Basic Information

Product Name	Disodium Hydrogen -7-[[4-Amino-2-[(Aminocarbonyl)Amino]Phenyl]Azo]Naphthalene-1,3,6-Trisulphonate
CAS No.	70714-85-1
Molecular Formula	C17H13N5Na2O10S3
Molecular Weight	581.48 g/mol
Synonyms	7-[[4-Amino-2-[(aminocarbonyl)amino]phenyl]azo]-1,3,6-naphthalenetrisulfonic acid, disodium salt; C.I. Acid Red 337; Disodium 7-[(4-amino-2-carbamoylamino-phenyl)azo]naphthalene-1,3,6-trisulphonate; Azo dye intermediate 70714-85-1; 1,3,6-Naphthalenetrisulfonic acid, 7-[(4-amino-2-carbamoylaminophenyl)azo]-, disodium salt
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity. Quality is verified through advanced analytical techniques including HPLC and spectrophotometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee it meets your specific application requirements.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Sulfated Ash	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear solution

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