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1-Naphthalenesulfonicacid, 3-hydroxy-4-[2-(1-hydroxy-2-naphthalenyl)diazenyl]-7-nitro- cas no:25747-08-4

Synonyms: 1-Naphthalenesulfonicacid, 3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo]-7-nitro- (9CI);2-Naphthol-4-sulfonic acid, 1-(1-hydroxy-2-naphthylazo)-6-nitro- (6CI); C.I.Mordant Black 11 (8CI); C.I. Mordant Black 11, free acid (7CI);1-[(1-Hydroxy-2-naphthyl)azo]-2-hydroxy-6-nitro-4-sulfonaphthalene;1-[(1-Hydroxy-2-naphthyl)azo]-2-naphthol-6-nitro-4-sulfonic acid; EriochromeBlack T free acid

Identification

Name1-Naphthalenesulfonicacid, 3-hydroxy-4-[2-(1-hydroxy-2-naphthalenyl)diazenyl]-7-nitro-
CAS25747-08-4
Synonyms1-Naphthalenesulfonicacid, 3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo]-7-nitro- (9CI);2-Naphthol-4-sulfonic acid, 1-(1-hydroxy-2-naphthylazo)-6-nitro- (6CI); C.I.Mordant Black 11 (8CI); C.I. Mordant Black 11, free acid (7CI);1-[(1-Hydroxy-2-naphthyl)azo]-2-hydroxy-6-nitro-4-sulfonaphthalene;1-[(1-Hydroxy-2-naphthyl)azo]-2-naphthol-6-nitro-4-sulfonic acid; EriochromeBlack T free acid
EINECS(EC#)247-237-8
Molecular FormulaC20H13 N3 O7 S
Molecular Weight439.3981

Chemical Properties

refractive index1.747

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