CAS NO:57693-14-8;61847-77-6

EC NO:260-906-9

Molecular Formula:C₄₀H₃₀CrN₆Na₃O₁₄S₂

Molecular Weight:1003.7934

Synonyms:C.I. 15711:1;C.I. Acid Black 172;Acid Black 172;chromium(3+) sodium 7-nitro-3-oxido-4-[(2-oxidonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate (1:3:2);trisodium bis[3-(hydroxy-kappaO)-4-{(Z)-[2-(hydroxy-kappaO)-5,8-dihydronaphthalen-1-yl]diazenyl}-8-nitro-5,8-dihydronaphthalene-1-sulfonato(2-)]chromate(3-);

Molecular Structure:

CAS NO:5610-64-0

EC NO:227-029-3

Molecular Formula:C₂₀H₁₃N₃O₇S

Molecular Weight:439.3981

Synonyms:;C.I. Acid Black 52;Acid black 52;Acid Black 52;C.I. 15711;sodium 3-hydroxy-4-(2-hydroxy-1-naphthylazo)-7-nitronaphthalene-1-sulphonate;Acid Black 52 (15711);4-[(2-hydroxynaphthalen-1-yl)hydrazono]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate;1-naphthalenesulfonic acid, 3,4-dihydro-4-[2-(2-hydroxy-1-naphthalenyl)hydrazinylidene]-7-nitro-3-oxo-, chromium sodium salt, (4E)- (3:2:2);3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitro-naphthalene-1-sulfonic acid;

Molecular Structure: