Disodium (3E,3'E)-7,7'-Iminobis[4-Oxo-3-(2-Phenylhydrazinylidene)-3,4-Dihydronaphthalene-2-Sulfonate]

Product Name Disodium (3E,3'E)-7,7'-Iminobis[4-Oxo-3-(2-Phenylhydrazinylidene)-3,4-Dihydronaphthalene-2-Sulfonate]
Alias Evans Blue
Einecs 239-834-4
Mininmum Order 1 g
Factory Site West Ujimqin Banner, Xilingol League, Inner Mongolia, China
Price Inquiry sales9@alchemist-chem.com
Manufacturer Ccount Chem
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Specifications

HS Code	966363
Chemical Name	Disodium (3E,3'E)-7,7'-Iminobis[4-Oxo-3-(2-Phenylhydrazinylidene)-3,4-Dihydronaphthalene-2-Sulfonate]
Molecular Formula	C34H22N6Na2O8S2
Molecular Weight	792.69 g/mol
Appearance	Dark brown to black powder
Solubility	Soluble in water
Melting Point	Decomposes before melting
Cas Number	569-61-9
Synonyms	Congo Red
Usage	Used as a pH indicator and biological stain
Storage Conditions	Keep container tightly closed and store in a cool, dry place

As an accredited Disodium (3E,3'E)-7,7'-Iminobis[4-Oxo-3-(2-Phenylhydrazinylidene)-3,4-Dihydronaphthalene-2-Sulfonate] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

Packing & Storage

Packing	The chemical is packaged in a 100-gram amber glass bottle with a secure screw cap, labeled with detailed product and hazard information.
Storage	Store Disodium (3E,3'E)-7,7'-iminobis[4-oxo-3-(2-phenylhydrazinylidene)-3,4-dihydronaphthalene-2-sulfonate] in a tightly sealed container, protected from light and moisture. Keep in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers and acids. Avoid exposure to heat and ignition sources. Ensure appropriate labeling and use personal protective equipment when handling.
Shipping	This chemical, Disodium (3E,3'E)-7,7'-Iminobis[4-Oxo-3-(2-Phenylhydrazinylidene)-3,4-Dihydronaphthalene-2-Sulfonate], ships in tightly sealed containers to prevent moisture and contamination. It is handled as a non-hazardous dye compound under standard shipping regulations, with temperature control or secondary containment as needed. Ensure compliance with local chemical transport guidelines.

Free Quote

Competitive Disodium (3E,3'E)-7,7'-Iminobis[4-Oxo-3-(2-Phenylhydrazinylidene)-3,4-Dihydronaphthalene-2-Sulfonate] prices that fit your budget—flexible terms and customized quotes for every order.

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Tel: +8615651039172

Email: sales9@alchemist-chem.com