Product name:Acid chrome blue K
CAS: 3270-25-5
Molecular Formula: C16H9N2Na3O12S3
Molecular Weight: 586.40
Product description:Dark red powder. Soluble in water into a rose red, then PH8 ~ 13 blue in alkaline solution. Usually used with naphthol green B, hereinafter referred to as 'K - B mixed indicator' in alkaline conditions, blue-green, naphthol green itself is no color change in use, only the foil finish color effect. In alkaline condition, the complexing reagent and some metal ions, formation of complex rose red. Is often used as EDTA titration of calcium indicator, also used for calcium, magnesium, determination of the total. Reagent solution is not stable, often in sodium chloride powder as solid mixture save or use