157707-94-3

Basic information

• Product Name: 2,7-Naphthalenedisulfonic acid, 4-4-5-amino-4-sulfo-2-4-2-(sulfooxy)ethylsulfonylphenylazophenylamino-6-chloro-1,3,5-triazin-2-ylamino-5-hydroxy-6-(1-sulfo-2-naphthalenyl)azo-, sodium salt
• Synonyms: 2,7-Naphthalenedisulfonic acid, 4-4-5-amino-4-sulfo-2-4-2-(sulfooxy)ethylsulfonylphenylazophenylamino-6-chloro-1,3,5-triazin-2-ylamino-5-hydroxy-6-(1-sulfo-2-naphthalenyl)azo-, sodium salt;5-[4-[5-Amino-2-[4-(2-sulfoxyethylsulfonyl) phenylazo]-4-sulfophenylamino]-6-chloro-[1,3,5]triazin-2-ylazo]-4-hydroxy-3-(1-sulfonaphthalen-2-ylazo)naphthalene-2,7-disul- fonic acid sodium salt;5-{4-[5-amino-2-[4-(2-sulfoxyethylsulfonyl)phenylazo]-4-sulfo-phenylamino]-6-chloro-1,3,5-triazin-2-ylamino}-4-hydroxy-3-(1-sulfo-naphthalen-2-ylazo)-naphthalene-2,7-disulfonicacid sodium salt
• CAS NO: 157707-94-3
• Molecular Formula: C37H29 Cl N10 O19 S6 . x Na
• Molecular Weight: 0
• EINECS: 418-340-7
• Mol File: 157707-94-3.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: 2,7-Naphthalenedisulfonic acid, 4-4-5-amino-4-sulfo-2-4-2-(sulfooxy)ethylsulfonylphenylazophenylamino-6-chloro-1,3,5-triazin-2-ylamino-5-hydroxy-6-(1-sulfo-2-naphthalenyl)azo-, sodium salt(CAS DataBase Reference)
• NIST Chemistry Reference: 2,7-Naphthalenedisulfonic acid, 4-4-5-amino-4-sulfo-2-4-2-(sulfooxy)ethylsulfonylphenylazophenylamino-6-chloro-1,3,5-triazin-2-ylamino-5-hydroxy-6-(1-sulfo-2-naphthalenyl)azo-, sodium salt(157707-94-3)
• EPA Substance Registry System: 2,7-Naphthalenedisulfonic acid, 4-4-5-amino-4-sulfo-2-4-2-(sulfooxy)ethylsulfonylphenylazophenylamino-6-chloro-1,3,5-triazin-2-ylamino-5-hydroxy-6-(1-sulfo-2-naphthalenyl)azo-, sodium salt(157707-94-3)

Safety Data

• Hazard Codes: Xi
• Statements: 41-52/53
• Safety Statements: 22-26-39-61
• Hazardous Substances Data: 157707-94-3(Hazardous Substances Data)

Usage

Molecular weight

1071.97 g/mol

Appearance

Dark red powder

Solubility

Highly soluble in water

Chemical structure

Naphthalenedisulfonic acid linked to a complex azo dye structure with multiple amino and hydroxy groups. The sodium salt form is ionic, with two sodium ions associated with the sulfonic acid groups.

Uses

Commonly used as a dye in various industrial applications, including the textile and paper industries for coloration and staining processes. May also have applications in the production of colorants for food and cosmetics.

+ Acidic

The presence of sulfonic acid groups imparts strong acidity to the compound.

+ Water-soluble

The sodium salt form makes the compound highly soluble in water.

+ Light-sensitive

Azo dyes are known to be sensitive to light, which can cause them to fade or change color over time.

+ Heat-stable

The compound is relatively stable under high temperatures, making it suitable for use in various industrial processes.