FDA official logo
GSRS logo
PFDA official logo

ERIOCHROME BLACK A

  • UNII: RZR3KN57TW
  • Formula: C20H12N3O7S.Na
  • Preferred Substance Name: ERIOCHROME BLACK A
  • InChIKey: DXRWYIKGBIPGAG-QUABFQRHSA-M

  • 3618-58-4
  • 222-807-9
  • 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)
  • ACID CHROME BLACK N
  • ACID CHROME BLACK S
  • C.I. 15710
  • C.I. MORDANT BLACK 1
  • NSC-73413
  • SODIUM 3-HYDROXY-4-((2-HYDROXYNAPHTHALEN-1-YL)DIAZENYL)-7-NITRONAPHTHALENE-1-SULFONATE
  • SOLOCHROME BLACK AS

Note

UNIIs are generated based on scientific identity characteristics using ISO 11238 data elements. UNII availability does not imply any regulatory review or approval. Synonyms and mappings are based on the best public information available at the time of publication. Please report any problems/errors associated with this data to FDA-SRS@fda.hhs.gov.