Sodium 2-naphthalenesulfonate CAS:532-02-5

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Sodium 2-naphthalenesulfonate CAS:532-02-5

Sodium 2-naphthalenesulfonate CAS:532-02-5 Basic information

Product Name: Sodium 2-naphthalenesulfonate
Synonyms: sodiumnaphthalene-2-sulfonate;2-Naphthalenesulfonicacid,sod;2-NAPHTHALENESULFONIC ACID SODIUM SALT [REAGENT FOR ION-PAIR CHROMATOGRAPHY] 98+%;2-NAPHTHALENESULFONIC ACID SODIUM SALT 99+%;Naphthalene-2-sulphonicacidsodiumsalt,tech.90%;2-NAPHTHALENESULFONICA
CAS: 532-02-5
MF: C10H7NaO3S
MW: 230.22
EINECS: 208-523-8
Product Categories: Industrial/Fine Chemicals;Intermediates of Dyes and Pigments
Mol File: 532-02-5.mol

Sodium 2-naphthalenesulfonate CAS:532-02-5 Chemical Properties

Melting point: 172-173 °C
BRN: 3659024
Sensitive: Hygroscopic
λmax: λ: 380 nm Amax: 0.1 λ: 390 nm Amax: 0.05 λ: 400 nm Amax: 0.02 λ: 500 nm Amax: 0.02
CAS DataBase Reference: 532-02-5(CAS DataBase Reference)
EPA Substance Registry System: 2-Naphthalenesulfonic acid sodium salt (532-02-5)

项目Item

单位Unit

标准值Standard

检测结果Results

外观

Appearance


白色粉末结晶体

White crystal powder

合格

Up to standard

含量

Content

%

 95.0

99.74

纯度(HPLC)

Purity(HPLC)

%

 98.0

99.54

酸份

Acid

%

 1

0.06

氯化钠

Sodium Chloride

%

 2

0.05

硫酸钠

Sodium Sulfate

%

 2

0.13

水份

Water

%

 2

0.02


Sodium 2-naphthalenesulfonate Usage And Synthesis
Chemical Propertieswhite to pale grey powder
Purification MethodsIt crystallises from hot 10% aqueous NaOH or water and is dried in a steam oven. [Beilstein 11 IV 521.]


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