Disodium 1,5-naphthalenedisulfonate Chemical Properties

Boiling point:

300℃[at 101 325 Pa]

Density 

1.82[at 20℃]

vapor pressure 

0Pa at 25℃

storage temp. 

Inert atmosphere,Room Temperature

solubility 

almost transparency in Water

form 

powder to crystal

color 

White to Almost white

Water Solubility 

113.4g/L at 20℃

BRN 

3642373

LogP

-3.515

CAS DataBase Reference

1655-29-4(CAS DataBase Reference)

EPA Substance Registry System

1,5-Naphthalenedisulfonic acid, disodium salt (1655-29-4)

Safety Information

Hazard Codes 

Xi

Safety Statements 

22-24/25

WGK Germany 

1

HS Code 

29049090

MSDS

• Language:English Provider:1,5-Naphthalenedisulfonic acid disodium salt
• Language:English Provider:SigmaAldrich

Disodium 1,5-naphthalenedisulfonate Usage And Synthesis

Chemical Properties

White powder, hygroscopic, exists in the form of hydrates, mainly used as a dye intermediate.

Uses

Sodium 1,5-Naphthalenedisulfonate is a petroleum disulfonates in crude oil; It is used in the synthesis of Levobunolol Hydrochloride; Also, it is capable of recycling wastewater.

Flammability and Explosibility

Not classified

Synthesis

Prepared by sulfonation of naphthalene.

Purification Methods

Recrystallise it from pKEst aqueous acetone [Okahata et al. J Am Chem Soc 108 2863 1986]. [Beilstein 11 IV 561.]

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