Description

8-Amino-5-(4'-Hydroxybiphenyl-4-Ylazo)Naphthalene-2-Sulfonate Sodium, Monohydrate is a high-purity azo dye intermediate and analytical reagent. This compound is valued for its precise chromophoric structure, which is critical for producing consistent and vibrant colorants in specialized applications. It is primarily required by manufacturers in the dye and pigment industry, as well as by research laboratories for use as a chemical standard or reagent in analytical chemistry.

Application

• Key intermediate for the synthesis of high-performance azo dyes and pigments.
• Used in the production of colorants for inks, toners, and specialty coatings.
• Acts as a chromogenic reagent or standard in analytical chemistry and quality control laboratories.
• Potential use in the development of functional dyes for non-textile applications, such as in optical data storage or liquid crystal displays (LCDs).
• Employed in research for studying azo compound synthesis, reactivity, and photophysical properties.

Basic Information

Product Name	8-Amino-5-(4'-Hydroxybiphenyl-4-Ylazo)Naphthalene-2-Sulfonate Sodium, Monohydrate
CAS No.	6949-03-7
Molecular Formula	C22H16N3NaO4S · H2O
Molecular Weight	451.44 g/mol (Monohydrate)
Synonyms	Sodium 8-Amino-5-[(4'-hydroxy[1,1'-biphenyl]-4-yl)azo]naphthalene-2-sulfonate Monohydrate; C.I. 18050; 8-Amino-5-[(4'-hydroxybiphenyl-4-yl)azo]naphthalene-2-sulfonic Acid Sodium Salt Monohydrate; Acid Orange 94 (related color index); 5-[(4'-Hydroxy[1,1'-biphenyl]-4-yl)azo]-8-aminonaphthalene-2-sulfonate Sodium Salt Monohydrate; Azo Dye Intermediate 6949-03-7
EINECS	Contact for details

Quality Control

Our production of 8-Amino-5-(4'-Hydroxybiphenyl-4-Ylazo)Naphthalene-2-Sulfonate Sodium, Monohydrate adheres to stringent quality protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	3.5 - 5.5% (Theoretical for monohydrate: ~4.0%)
Related Substances (HPLC)	Total impurities ≤ 5.0%
Solubility	Soluble in water, DMSO; sparingly soluble in most organic solvents

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