Description

Disul, Sodium Salt is an organic chemical compound widely utilized as a key intermediate and functional additive in advanced chemical synthesis. Its significance lies in its role as a versatile building block for creating more complex molecules in research and industrial manufacturing. This product is essential for chemical manufacturers, research institutions, and formulators in the pharmaceutical, agrochemical, and specialty chemical sectors seeking reliable, high-purity raw materials.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of active pharmaceutical ingredients (APIs) and other drug substances.
• Agrochemical Synthesis: Used in the production of herbicides, pesticides, and plant growth regulators.
• Chemical Research & Development: Acts as a versatile reagent for exploring new synthetic pathways and creating novel organic compounds in laboratory settings.
• Specialty Chemical Manufacturing: Employed in the formulation of dyes, pigments, and performance chemicals.
• Cross-Coupling Reactions: Functions as a useful reagent in palladium-catalyzed and other metal-mediated coupling reactions.

Basic Information

Product Name	Disul, Sodium Salt
CAS No.	136-78-7
Molecular Formula	C14H9NaO5S2
Molecular Weight	344.33 g/mol
Synonyms	Disodium 1,2-Naphthoquinone-1-diazide-4-sulfonate; 1,2-Naphthoquinonediazido-4-sulfonic Acid Sodium Salt; 1,2-Naphthoquinone-2-diazide-4-sulfonic Acid Sodium Salt; Sodium 1,2-Naphthoquinone-2-diazide-4-sulfonate; 1,2-Naphthoquinone-1-diazide-4-sulfonic Acid Sodium Salt; Diazonaphthoquinone Sulfonate Salt; DNQ Sulfonate Sodium Salt
EINECS	205-256-5

Quality Control

Our Disul, 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 the high standards required for sensitive chemical synthesis. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and consistency.

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). Keep away from strong acids and oxidizing agents. The material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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