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Indigo carmine, C.I. 73015, Reag. Ph Eur

- Synonyms: Indigo-5,5'-disulfonic acid disodium salt, Acid Blue 74r- C16H8N2Na2O8S2r- M = 466,35 g/molr- CAS [860-22-0]r- EINECS-No.: 212-728-8r- Solub. in water: (25 ºC): 10 g/lr- LD 50 (oral, rat): > 2000 mg/kgr- GHS-signal word: Warningr- GHS-H sentences: H302r- GHS-P sentences: P264 - P270 - P301+P312 - P330 - P501ar- Tariff number: 3204 12 00 00r- Applications: colouring agent (microscopy), for pharmaceutical use, in food industry, for the detection of: nitrates, chlorates.rrSPECIFICATIONSrassay: min. 85 %rIdentification A: passes testrIdentification B: passes testrinsoluble in water: max. 0,2 %rsecondary colorants: max. 1,0 %rother organic compounds: max. 0,5 % runsulfonated primary aromatic amines (as aniline): max. 0,01 %: rether extractable substances (neutral conditions): max. 0,2 %rarsenic (As): max. 3 ppmrlead (Pb): max. 10 ppmrmercury (Hg): max. 1 ppmrcadmium (Cd): max. 1 ppmrheavy metals (as Pb): max. 40 ppmr