Congo red (C.I. 22120) (A2385)
AppliChem GmbHTransition interval: pH 3.0 - 5.2 (violet - orange red)Formula: C32H22N6Na2O6S2M: 696.68 g/molCAS-No.: 573-58-0HS-No.: 32041400EC-No.: 209-358-4Storage: RTLGK: 6.1 BR: 45-63S: 53-45hazardidentification: toxic for reproduction, carcinogenicClass/PG: 6/IIIUN-No.: UN2811WGK: 3Specification: Assay (photometr.): min. 85 %