Description

1,8-Diiodonaphthalene is a halogenated naphthalene derivative, specifically a diiodo-substituted aromatic compound with the CAS number 1730-04-7. This compound serves as a versatile and critical organic building block and intermediate in advanced chemical synthesis. It is primarily required by pharmaceutical research and fine chemical manufacturing sectors for developing complex molecules, including potential active pharmaceutical ingredients (APIs) and specialty materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex organic molecules and potential Active Pharmaceutical Ingredients (APIs).
• Organic Synthesis Building Block: Used in cross-coupling reactions (e.g., Suzuki, Heck) to construct extended aromatic systems and conjugated polymers.
• Material Science Research: Serves as a monomer or precursor in the development of organic semiconductors, liquid crystals, and other advanced functional materials.
• Ligand Synthesis: Utilized for preparing iodinated ligands used in catalysis and coordination chemistry.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D exploring new synthetic methodologies and novel compound libraries.
• Dye and Pigment Intermediate: Can be used in the synthesis of iodinated dyes and pigments with specific light-absorption properties.

Basic Information

Product Name	1,8-Diiodonaphthalene
CAS No.	1730-04-7
Molecular Formula	C10H6I2
Molecular Weight	379.96 g/mol
Synonyms	1,8-Diiodonaphthalene; Naphthalene, 1,8-diiodo-; 1,8-Diiodonaphthalin; 1,8-Bis(iodo)naphthalene; Peri-diiodonaphthalene; 1,8-DIN
EINECS	217-067-8

Quality Control

Our 1,8-Diiodonaphthalene is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber-colored or stored in dark conditions.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%

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