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Alizarin red/Sodium alizarin sulfonate/Alizarin sulfonic acid sodium salt/Alizarin S

CAS No.: 130-22-3
Item No.: SR0115
Store at: RT

English name:Alizarin red;Sodium alizarin sulfonate;Alizarin sulfonic acid sodium salt;Alizarin S;Alizarin carmi ne;C.I. 5800  

Other names: Alizarin Red S; Sodium alizarin sulfonate; Alizarin s; Alizarin carmine; Sodium 1,2-dihydroxyanthraquinone-3-sulfonate; Mordant red 3; 9,10-dihydro-3,4-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid monosodium salt

CAS No.: 130-22-3 

c14h7nao7s ? H2O = 360.27

Grade: IND 

PH color change range: 4.3 (yellow) ~ 6.3 (purple)

Aluminum sensitivity test: acceptable

Sensitivity test for acid and alkali: acceptable

Water dissolution test: acceptable

Physicochemical properties: orange yellow or yellowish brown powder. Soluble in water, slightly soluble in ethanol, insoluble in benzene and chloroform. The pH of 1% aqueous solution is 2.15, and its aqueous solution is light yellowish brown. It turns yellow after adding hydrochloric acid, and turns blue purple after adding sodium hydroxide. Irritating

Purpose: biochemical research. Fluoride was measured. Acid base indicator. It can form colored compounds with many metal ions for color reaction and colorimetric determination of zirconium, thorium, aluminum, titanium and beryllium. Microstaining agents, in vivo staining of nerve tissue, chromosomal staining in plant cytology and reagents for detecting belladonnine

Saving: RT

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