CymitQuimica logo

CAS 3564-14-5

:

Eriochrome Blue Black

Description:
Eriochrome Blue Black, with the CAS number 3564-14-5, is a synthetic organic compound primarily used as a dye and indicator in various chemical applications. It is characterized by its deep blue-black color, which is attributed to its complex molecular structure that includes multiple aromatic rings and functional groups. This compound is soluble in water and exhibits a distinct color change in response to pH variations, making it useful in titrations and as a pH indicator. Eriochrome Blue Black is often employed in analytical chemistry for the determination of metal ions, particularly in complexometric titrations involving calcium and magnesium. Additionally, it has applications in biological staining and as a tracer in environmental studies. However, it is important to handle this compound with care, as it may pose health risks if ingested or inhaled, and proper safety protocols should be followed during its use. Overall, Eriochrome Blue Black is a versatile chemical with significant utility in both laboratory and industrial settings.
Formula:C20H14N2O5S·Na
InChI:InChI=1S/C20H14N2O5S.Na/c23-17-11-18(28(25,26)27)14-7-3-4-8-15(14)19(17)22-21-16-10-9-12-5-1-2-6-13(12)20(16)24;/h1-11,23-24H,(H,25,26,27);
InChI key:InChIKey=WTEXMTSCHUTBIF-UHFFFAOYSA-N
SMILES:N(=NC1=C(O)C2=C(C=C1)C=CC=C2)C=3C4=C(C(S(=O)(=O)O)=CC3O)C=CC=C4.[Na]
Synonyms:
  • 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo]-, monosodium salt
  • 1-Naphthalenesulfonic acid, 3-hydroxy-4-[2-(1-hydroxy-2-naphthalenyl)diazenyl]-, sodium salt (1:1)
  • 3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-1-naphthalenesulfonic acid, sodium salt
  • Alizarine Blue Black OCBN
  • Alizarine Blue Black OCGN
  • Alizarine Blue Black OCGP
  • Alizarine Blue OCB
  • Azochromol Blue Black EB
  • Calcochrome Blue Black BC
  • Chromazine Blue Black B
  • See more synonyms
Sort by
Purity (%)
0
100
|
0
|
50
|
90
|
95
|
100
Found 3 products.