40492-14-6

Basic information

• Product Name: sodium hydrogen 4-amino-5-hydroxynaphthalene-1,7-disulphonate
• Synonyms: sodium hydrogen 4-amino-5-hydroxynaphthalene-1,7-disulphonate;4-Amino-5-hydroxy-1,7-naphthalenedisulfonic acid monosodium salt
• CAS NO: 40492-14-6
• Molecular Formula: C₁₀H₈NO₇S₂*Na
• Molecular Weight: 341.29279
• EINECS: 254-940-3
• Mol File: 40492-14-6.mol
• Article Data: 0

Chemical Properties

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Appearance: /
• Density: g/cm³
• CAS DataBase Reference: sodium hydrogen 4-amino-5-hydroxynaphthalene-1,7-disulphonate(CAS DataBase Reference)
• NIST Chemistry Reference: sodium hydrogen 4-amino-5-hydroxynaphthalene-1,7-disulphonate(40492-14-6)
• EPA Substance Registry System: sodium hydrogen 4-amino-5-hydroxynaphthalene-1,7-disulphonate(40492-14-6)

Safety Data

• Hazardous Substances Data: 40492-14-6(Hazardous Substances Data)

Usage

General Description

Sodium hydrogen 4-amino-5-hydroxynaphthalene-1,7-disulphonate is a synthetic organic compound commonly used as a pH indicator in analytical chemistry. It is an azo dye derivative with a molecular formula of C10H8NNaO7S2 and a molar mass of 339.29 g/mol. This chemical is known for its unique ability to change color in response to changes in pH levels, making it useful for a variety of laboratory applications. It is also used in the textile industry as a dye and in the pharmaceutical industry as a marker for kidney function tests. However, it should be handled with caution as it may cause skin and eye irritation and should be stored away from heat and direct sunlight.

InChI:InChI=1/C10H9NO7S2.Na/c11-7-1-2-9(20(16,17)18)6-3-5(19(13,14)15)4-8(12)10(6)7;/h1-4,12H,11H2,(H,13,14,15)(H,16,17,18);/q;+1/p-1