Sodium 6-hydroxynaphthalene-2-sulfonate Chemical Properties

Melting point:

>300 °C(lit.)

Boiling point:

627.11℃[at 101 325 Pa]

vapor pressure 

0Pa at 25℃

storage temp. 

Keep in dark place,Inert atmosphere,Room temperature

solubility 

DMSO (Slightly), Methanol (Slightly)

form 

Solid

color 

Off-White

Water Solubility 

1000g/L at 25℃

Stability:

Hygroscopic

LogP

-2.26 at 25℃

CAS DataBase Reference

135-76-2(CAS DataBase Reference)

EPA Substance Registry System

2-Naphthalenesulfonic acid, 6-hydroxy-, monosodium salt (135-76-2)

Safety Information

Hazard Codes 

Xi,Xn

Risk Statements 

36/37/38-20/21/22

Safety Statements 

26-36-36/37/39-22

WGK Germany 

3

HS Code 

2922210060

MSDS

• Language:English Provider:SigmaAldrich

Sodium 6-hydroxynaphthalene-2-sulfonate Usage And Synthesis

Uses

6-Hydroxy-2-naphthalenesulfonic Acid Sodium Salt is a coupling component used to prepare heterocyclic monoazo dyes.

Uses

6-Hydroxy-2-naphthalenesulfonic acid sodium salt hydrate may be used in the following studies:

• As precursors during the agar-plate screening test.
• Preparation of methoxy-substituted naphthalenesulfonyl chloride.
• Synthesis of FD&C Red No. 40, a synthetic water-soluble color that is permitted for coloring foods, drugs and cosmetics in the U.S.A.

General Description

Sodium salt of 6-hydroxy-2-naphthalenesulfonic acid is also referred as Schaeffer′s salt.

Sodium 6-hydroxynaphthalene-2-sulfonate(135-76-2)Related Product Information

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