Eriochrome Black T, C20H12N3NaO7S, CAS Number-1787-61-7, C.I. 14645, 3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-7-nitro-1-naphthalene sulfonic acid, sodium salt, Mordant Black 11, 1kg, 16, III, 320, Black to Black-Brown, 217-250-3, 461.38, Pure,
Chemical Name or Material: Eriochrome Black T Indicator 1% w/w in Sodium Chloride (Water Hardness Indicator), Percent Purity: 1%, CAS: 7647-14-5, 1787-61-7, Synonym: Water hardness indicator, Quantity: 100 mL
Eriochrome Black T, C20H12N3NaO7S, CAS Number-1787-61-7, 3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-7-nitro-1-naphthalene sulfonic acid, sodium salt, C.I. 14645, Mordant Black 11, 100g, 16, III, 320, Black to Black-Brown, 217-250-3, 461.38, Pure
Eriochrome Black T, C20H12N3NaO7S, CAS Number-1787-61-7, Mordant Black 11, 3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-7-nitro-1-naphthalene sulfonic acid, sodium salt, C.I. 14645, 25g, 16, III, 320, Black to Black-Brown, 217-250-3, 461.38, Pure,