Eriochrome Black T, CAS 1787-61-7
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Appearance: Brownish-black powder
CAS: 1787-61-7
Product ID: EBT
Purity: 98%+
Formula: C20H12N3NaO7S
MW: 461.38g/mol
MP > 300C
Solubility: water soluble
HS Code: 293499
MDL: MFCD00003935
SMILES: [Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O
LD50 (rat, oral) >10,000mg/kg
Synonyms
2-Hydroxy-1-(1-hydroxynaphthyl-2-azo)-6-nitronaphthalene 4-sulphonic acid monosodium salt; sodium 3-hydroxy-4-[(E)-(1-hydroxy-2-naphthyl)diazenyl]-7-nitro-1-naphthalenesulfonate; sodium 3-hydroxy-4-[(E)-(1-hydroxy-2-naphthyl)diazenyl]-7-nitronaphthalene-1-sulfonate
Keywords
Mordant black; complexometric indicator; dyeing agent; wool dye; ErioT; hydroxyl-arylazo dye; chemical dye; biochemical reagent