Description

1,4-Dihydro-1,4-Dioxo-2-Naphthalenesulfonic Acid Sodium Salt is a high-purity, water-soluble sodium salt derivative of a naphthoquinone sulfonic acid. This compound serves as a versatile and critical chemical intermediate and functional additive in advanced manufacturing processes. It is essential for industries requiring precise colorants, photoactive compounds, or specialized organic synthesis building blocks. Our supply ensures consistent quality and reliable availability for global B2B partners.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of acid dyes, reactive dyes, and high-performance pigments for textiles, inks, and coatings.
• Photographic Chemicals: Used in the formulation of light-sensitive layers and developers for specialized photographic and imaging applications.
• Pharmaceutical Synthesis: Acts as a building block in the synthesis of quinone-based active pharmaceutical ingredients (APIs) and other specialty chemicals.
• Analytical Reagent: Employed as a reagent or standard in analytical chemistry and biochemical research due to its distinct chromophoric properties.
• Electroplating Additive: Functions as a brightening agent or complexant in electroplating baths for metal finishing.
• Crosslinking Agent: Utilized in polymer chemistry to introduce sulfonate groups or modify polymer properties.

Basic Information

Product Name	1,4-Dihydro-1,4-Dioxo-2-Naphthalenesulfonic Acid Sodium Salt
CAS No.	7045-83-2
Molecular Formula	C₁₀H₅NaO₅S
Molecular Weight	260.20 g/mol
Synonyms	1,4-Dioxo-1,4-dihydro-2-naphthalenesulfonic acid sodium salt; Sodium 1,4-dihydro-1,4-dioxo-2-naphthalenesulfonate; 2-Naphthalenesulfonic acid, 1,4-dihydro-1,4-dioxo-, sodium salt; Sodium 2-anthraquinonesulfonate; 2-Anthraquinonesulfonic acid sodium salt; 1,4-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate sodium salt (tautomeric form).
EINECS	230-316-5

Quality Control

Our 1,4-Dihydro-1,4-Dioxo-2-Naphthalenesulfonic Acid Sodium Salt is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment, guaranteeing traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Water Solubility	Clear solution

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