ERIOCHROME BLACK T (C.I. 14645) INDICATOR/ EBT, 100 GR, MERCK, 103170

ERIOCHROME BLACK T (C.I. 14645) INDICATOR FOR COMPLEXOMETRY ACS,REAG. PH EUR # HARAP MENANYAKAN STOCK TERLEBIH DAHULU # Description Brand : MERCKMILLIPORE Catalogue Number 103170 Packing : 100 GR (Glass Bottle) Synonyms Chrome black T, 2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-6-nitronaphthalene-4-sulfonic acid sodium salt Product Information CAS number 1787-61-7 EC number 217-250-3 Grade ACS,Reag. Ph Eur Hill Formula CHNNaOS Molar Mass 461.38 g/mol HS Code 3204 19 00 Specifications Identity (UV/VIS-Spectrum) passes test Appearance Black to dark brown-black fine powder, eventually with granular parts Clarity of solution passes test Absorption maximum max. (buffer pH 10.0) 612 - 616 nm Spec. Absorptivity A 1%/1cm (max; 0.02g/l; buffer pH 10.0; calc. on dried substance) 400 - 510 Loss on drying (110C) 7 % Suitability as indicator (for complexometric titration, ACS) passes test Suitability as indicator (Reag. Ph. Eur.) passes test