Eriochrome cyanine R/Chromoxane cyanine R/Cyanine R/Chrome cyanine R

English Name:Eriochrome cyanine R；5-[α-(3-carboxy-5-methyl-4-oxo-2, 5-cyclohexadien-1-ylidene)-2-sulfobenzyl]-3-methylsalicylic acid,Eriochrome cyanine；Chromoxane cyanine R；Cyanine R；Chrome cyanine R；Solochrome cyanine R；C.I. 43820

Other names: blue light acid chrome cyan; Wool chrome cyanine; Media Blue 3; Wool chrome cyan R; 3,3'- (3h-2,1-benzoxathia-3-subunit) bis (6-hydroxy-5-methylbenzoic acid) s, S-dioxide trisodium salt; Chrome cyan R

CAS No.: 3564-18-9

C23H15Na3O9S=536.39

Grade: reagent grade

Content: ≥ 99.0%

λ max：508～512nm

Absorbance (e1m): ≥ 200 (508 ~ 512nm, methanol)

 Physicochemical  Properties: dark reddish brown powder. It is easily soluble in water, ethanol, concentrated sulfuric acid and alkali. Its aqueous solution is red, ethanol solution is orange, and concentrated sulfuric acid solution is orange. When diluted, it precipitates from orange to red, and when the aqueous solution meets sodium hydroxide, it is red purple.

Purpose: biochemical research. Reagents for the determination of aluminum and fluorine. Determination of a very small amount of aluminum in metals such as copper and zinc. Nuclear staining

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