(3E)-5-(Acetylamino)-3-{[4-(Acetylamino)Phenyl]Hydrazono}-4-Oxo-3,4-Dihydronaphthalene-2,7-Disulfonic Acid

Product Name (3E)-5-(Acetylamino)-3-{[4-(Acetylamino)Phenyl]Hydrazono}-4-Oxo-3,4-Dihydronaphthalene-2,7-Disulfonic Acid
Alias Evans Blue
Einecs 248-038-3
Mininmum Order 1 g
Factory Site Wusu, Tacheng Prefecture, Xinjiang, China
Price Inquiry sales7@alchemist-chem.com
Manufacturer Ccount Chem
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Specifications

HS Code	188960
Iupac Name	(3E)-5-(Acetylamino)-3-{[4-(Acetylamino)phenyl]hydrazono}-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid
Molecular Formula	C20H18N4O8S2
Molecular Weight	522.51 g/mol
Appearance	Dark red to brown powder
Melting Point	Decomposes above 300°C
Solubility In Water	Highly soluble
Cas Number	54301-33-2
Synonyms	Acid Red 37; C.I. 17045; Congo Red derivative
Ph Range	6.0-8.0 (1% solution)
Usage	Azo dye, pH indicator, histology staining, textile applications

As an accredited (3E)-5-(Acetylamino)-3-{[4-(Acetylamino)Phenyl]Hydrazono}-4-Oxo-3,4-Dihydronaphthalene-2,7-Disulfonic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

Packing & Storage

Packing	Amber glass bottle containing 25 grams, sealed with a screw cap, labeled with chemical name, hazard warnings, and storage instructions.
Storage	Store (3E)-5-(Acetylamino)-3-{[4-(Acetylamino)phenyl]hydrazono}-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid in a tightly sealed container, protected from moisture and light, at room temperature (15–25°C). Keep away from incompatible substances such as strong oxidizers. Ensure storage area is well-ventilated and labeled appropriately. Avoid prolonged exposure to air to prevent degradation or hydrolysis of the compound.
Shipping	The chemical `(3E)-5-(Acetylamino)-3-{[4-(Acetylamino)Phenyl]Hydrazono}-4-Oxo-3,4-Dihydronaphthalene-2,7-Disulfonic Acid` is shipped in tightly sealed, chemical-resistant containers at ambient temperature. It complies with all relevant safety and transportation regulations, including proper labeling and documentation to ensure safe handling and delivery. Shipping may require hazard classification verification.

Free Quote

Competitive (3E)-5-(Acetylamino)-3-{[4-(Acetylamino)Phenyl]Hydrazono}-4-Oxo-3,4-Dihydronaphthalene-2,7-Disulfonic Acid prices that fit your budget—flexible terms and customized quotes for every order.

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