Description

Sodium 4-[[6'-(Diethylamino)-3'-Hydroxy-3-Oxospiro[Isobenzofuran-1(3H),9'-[9H]Xanthen]-2'-Yl]Azo]-3-Hydroxynaphthalene-1-Sulphonate is a high-purity synthetic organic dye belonging to the xanthene and azo chemical classes. This compound is valued for its strong and stable color properties, making it a critical component in specialized industrial applications. It is primarily sought by manufacturers in the pigments, inks, and specialty coatings sectors, as well as for research and development in advanced material science.

Application

• Specialty Pigments and Dyes: Used as a key colorant for high-performance pigments in plastics, masterbatches, and synthetic fibers.
• Ink Formulations: Employed in the production of specialty printing inks, including security inks and high-durability industrial inks.
• Advanced Coatings: Integrated into formulations for coatings requiring specific optical properties, color fastness, and chemical resistance.
• Research & Development: Serves as a chemical intermediate or reference standard in the development of new colorants, sensors, and functional materials.
• Analytical Reagents: Potential use as a staining agent or indicator in specific biochemical and histochemical analytical methods.

Basic Information

Product Name	Sodium 4-[[6'-(Diethylamino)-3'-Hydroxy-3-Oxospiro[Isobenzofuran-1(3H),9'-[9H]Xanthen]-2'-Yl]Azo]-3-Hydroxynaphthalene-1-Sulphonate
CAS No.	85153-22-6
Molecular Formula	C37H27N3NaO8S
Molecular Weight	696.68 g/mol
Synonyms	Acid Red 289; C.I. 45175; Sodium 4-[(6'-diethylamino-3'-hydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-2'-yl)azo]-3-hydroxynaphthalene-1-sulfonate; Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 6'-(diethylamino)-2'-[2-hydroxy-4-sulfo-1-naphthalenyl)azo]-3'-hydroxy-, monosodium salt; Azo Xanthene Dye; 85153-22-6
EINECS	Contact for details

Quality Control

Our Sodium 4-[[6'-(Diethylamino)-3'-Hydroxy-3-Oxospiro[Isobenzofuran-1(3H),9'-[9H]Xanthen]-2'-Yl]Azo]-3-Hydroxynaphthalene-1-Sulphonate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing key specifications are provided to guarantee the material meets your technical requirements and supports your quality assurance protocols.

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) and light-sensitive; containers must be kept tightly sealed when not in use to prevent degradation from moisture absorption and light exposure.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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