Eriochrome Black A

CAS: 3618-58-4

Ref. IN-DA003PY4

Product Information

• Name: Eriochrome Black A
• Synonyms: diamond black, eriochrome black A, monopotassium salt, eriochrome black A, monosodium salt, C.I. Acid Black 52, Chrome Black A, C.I. Mordant Black, Acid mordant Black 1, Acid mordant Black 1 (technical), sodium 1-[1-hydroxy naphthylazo]-6-nitro-2-naphthol-4-sulfonate, sodium (E)-3-hydroxy-4-((2-hydroxynaphthalen-1-yl)diazenyl)-7-nitronaphthalene-1-sulfonate, sodium;3-hydroxy-4-[(E)-(2-hydroxynaphthalen-1-yl)diazenyl]-7-nitronaphthalene-1-sulfonate, sodium (4E)-4-[(2-hydroxynaphthalen-1-yl)hydrazinylidene]-7-nitro-3-oxonaphthalene-1-sulfonate, sodium (4Z)-4-[(2-hydroxynaphthalen-1-yl)hydrazinylidene]-7-nitro-3-oxonaphthalene-1-sulfonate, EriochromeBlackA, Potting Black B, Chrome Black S, Eniacromo Black A, Hispacrom Black A, Chromazine Black A, Chromocard Black A, Diamantine Black A, Pontachrome Black A, Sunchromine Black A, Acid Chrome Black C, Acid Chrome Black N, Acid Chrome Black S, Chrome Deep Black A, Chrome Fast Black A, Fast Chrome Black A, Acid Chrome Black An, Omega Chrome Black P, Diadem Chrome Black A, Shikiso Chrome Black A, Chrome Printing Black M, C.I. Mordant Black 1, Cibaphasol Chrome Black A, C. I. Acid Black 52, C.I. Acid Black 52, sodium salt, 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-, monosodium salt, Sodium 3-hydroxy-4-[(2-hydroxynaphthyl)azo]-7-nitronaphthalene-1-sulphonate, 1-Naphthalenesulfonic acid, 3-hydroxy-4-((2-hydroxy-1-naphthalenyl)azo)-7-nitro-, monosodium salt, 1-Naphthalenesulfonic acid, 3-hydroxy-4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-7-nitro-, sodium salt (1:1), 3-Hydroxy-4-((2-hydroxy-1-naphthalenyl)azo)-7-nitro-1-naphthalenesulfonic acid, monosodium salt, chromium complex, Chromate(3-), bis(3-hydroxy-4-((2-hydroxy-1-naphthalenyl)azo)-7-nitro-1-naphthalenesulfonato(3-))-, disodium hydrogen, Chromate(3-), bis[3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonato(3-)]-, disodium hydrogen, Chromium, 3-hydroxy-4-((2-hydroxy-1-naphthalenyl)azo)-7-nitro-1-naphthalenesulfonic acid complex
• Brand: Indagoo

Chemical properties

• Molecular weight: 461.3799
• Formula: C₂₀H₁₂N₃NaO₇S
• Color/Form: Solid
• InChI: InChI=1S/C20H13N3O7S.Na/c24-16-8-5-11-3-1-2-4-13(11)19(16)21-22-20-14-7-6-12(23(26)27)9-15(14)18(10-17(20)25)31(28,29)30;/h1-10,24-25H,(H,28,29,30);/q;+1/p-1
• InChI key: DXRWYIKGBIPGAG-UHFFFAOYSA-M