Description

3-Hydroxy-4-[(1-Sulfo-2-Naphthalenyl)Azo]-2-Naphthalene Carboxylic Acid, Strontium Salt(1:1) is a specialized azo dye complex salt valued for its unique colorant and functional properties. This compound is engineered to provide consistent performance and stability in demanding industrial applications. It is primarily utilized in sectors requiring high-purity, functional pigments and chemical intermediates, such as advanced materials manufacturing and specialty coatings.

Application

• Primary use as a functional pigment and colorant in high-performance industrial coatings and inks.
• Key intermediate in the synthesis of specialized dyes and complex organic pigments.
• Potential component in the formulation of sensors and optical materials due to its azo-based chromophore structure.
• Used in research and development for novel material science applications, including photonic crystals.
• Employed in the coloration of plastics and synthetic polymers where specific color fastness is required.
• Acts as a staining agent or marker in certain analytical and laboratory procedures.

Basic Information

Product Name	3-Hydroxy-4-[(1-Sulfo-2-Naphthalenyl)Azo]-2-Naphthalene Carboxylic Acid, Strontium Salt(1:1)
CAS No.	15792-20-8
Molecular Formula	C21H12N2O6SSr
Molecular Weight	515.97 g/mol
Synonyms	Strontium 3-Hydroxy-4-[(1-sulfo-2-naphthalenyl)azo]-2-naphthalenecarboxylate; C.I. Pigment Red 49:2; C.I. 15630:2; Pigment Red 49:2; Strontium Lake Red 2B; 2-Naphthalenecarboxylic acid, 3-hydroxy-4-[(1-sulfo-2-naphthyl)azo]-, strontium salt (1:1); 15792-20-8; Strontium salt of 3-hydroxy-4-(2-sulfo-1-naphthylazo)-2-naphthoic acid
EINECS	Contact for details

Quality Control

Our production of 3-Hydroxy-4-[(1-Sulfo-2-Naphthalenyl)Azo]-2-Naphthalene Carboxylic Acid, Strontium Salt(1:1) adheres to stringent quality protocols to ensure batch-to-batch consistency and purity. All materials undergo rigorous analytical testing, including identity confirmation and purity assays. A Certificate of Analysis (COA) detailing specific lot results is provided with every shipment to support your quality assurance processes.

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). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Red to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	Consistent with strontium salt form
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Slightly soluble in water; soluble in alkaline solutions

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