Description

1,3-Dioxo-1H,3H-Naphtho[1,8-Cd]Pyran-6-Sulfonic Acid Sodium Salt is a high-purity, water-soluble organic salt belonging to the naphthopyran class of compounds. This specialized chemical is valued for its role as a key synthetic intermediate and functional additive in advanced material science. It is primarily sought after by research institutions and industrial manufacturers engaged in the development of specialty dyes, functional polymers, and photoactive materials. Our supply ensures consistent quality and reliable availability for critical B2B applications.

Application

• Dye and Pigment Intermediate: A crucial building block for synthesizing specialized naphthalimide and perinone-type dyes and fluorescent pigments.
• Functional Polymer Additive: Used to introduce sulfonate groups into polymers to enhance hydrophilicity, dyeability, or ionic conductivity.
• Research Chemical: Serves as a key precursor in organic synthesis and materials science research for novel heterocyclic compounds.
• Photoinitiator/Sensitizer Component: Potential use in the formulation of photoactive systems for coatings or imaging technologies due to its aromatic structure.
• Analytical Reagent: May be employed as a standard or reagent in chromatographic analysis and quality control laboratories.
• Electroplating Additive: Can function as a brightener or leveling agent in specialized electroplating baths.

Basic Information

Product Name	1,3-Dioxo-1H,3H-Naphtho[1,8-Cd]Pyran-6-Sulfonic Acid Sodium Salt
CAS No.	62635-64-7
Molecular Formula	C₁₃H₇NaO₆S
Molecular Weight	314.24 g/mol
Synonyms	6-Sulfo-1H,3H-naphtho[1,8-cd]pyran-1,3-dione sodium salt; 1,3-Dioxo-1H,3H-naphtho[1,8-cd]pyran-6-sulfonate sodium salt; Sodium 1,3-dioxo-1H,3H-naphtho[1,8-cd]pyran-6-sulfonate; Naphtho[1,8-cd]pyran-1,3-dione, 6-sulfo-, sodium salt; Perylene-3,4,9,10-tetracarboxylic acid derivative intermediate
EINECS	Contact for details

Quality Control

Our production of 1,3-Dioxo-1H,3H-Naphtho[1,8-Cd]Pyran-6-Sulfonic Acid Sodium Salt adheres to strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents. The container must be kept tightly closed to protect from moisture.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (1% in Water)	Clear, yellow solution

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