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
• Chrome Blue Black BF
• Chrome Fast Black BB
• Chrome Fast Cyanine BP
• Chrome Fast Cyanine G
• Chrome Fast Cyanine GN
• Chrome Fast Cyanine GNN
• Chrome Fast Cyanine GP
• Chrome Fast Cyanine GSS
• Chromocard Blue Black B
• Diacromo Blue G
• Diamond Blue Black AE
• Diamond Blue Black EB
• Diamond Blue Black EBS-CF
• Durochrome Blue OCG
• Durochrome Cyanine G
• Durochrome Fast Cyanine 6BN
• Eriochrome Blue Black
• Eriochrome Blue Black 2B
• Eriochrome Blue Black 2BP
• Eriochrome Blue Black 2G
• Eriochrome Blue Black BC
• Eriochrome Blue Black BC new
• Eriochrome Blue Black BSS
• Eriochromeblueblack
• Fast Chrome Cyanine 6B
• Fast Chrome Cyanine G
• Fenakrom Blue Black EB
• Hispacrom Blue BG
• Java Chrome Blue Black BN
• Kenachrome Black 6B
• Lighthouse Chrome Black 6B
• Mitsui Chrome Blue Black BC
• Mordant Black 3
• Omega Chrome Blue Black B
• Pontachrome Blue Black BB
• Salicine Blue Black AEF
• Solochromate Black 6BN
• Solochrome Black 6BN
• Sunchromine Blue Black B
• Superchrome Blue BC
• Superchrome Blue BG
• Tertrochrome Blue B
• sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazinylidene]-3-oxo-3,4-dihydronaphthalene-1-sulfonate
• C.I. 14640
• C.I. Mordant Black 3, monosodium salt
• C.I. Mordant Black 3 monosodium salt
• C.I. Mordant Black 3, monosodium salt
• C.I. Mordant Black 3, monosodium salt (8CI)
• C.I. Mordant Black 3
• C.I. Mordant Black 3 (VAN)
• C.I. Mordant Black 3
• eriochrome blue black B (C.I. 14640)

Eriochrome∣r Blue Black B

CAS: 3564-14-5

Eriochrome is to do titration indicator. Dubbed in aqueous solution or alcohol-soluble when used for the determination of calcium, magnesium, manganese, zinc and other metal ions, measured water hardness. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product po

Formula: C₂₀H₁₃N₂NaO₅S

Molecular weight: 416.39

Ref: 02-J63396

Eriochrome Blue Black B

CAS: 3564-14-5

Formula: C₂₀H₁₃N₂NaO₅S

Color and Shape: Solid

Molecular weight: 416.3824

Ref: IN-DA00I72N

Eriochrome blue-black B (C.I. 14640)

CAS: 3564-14-5

Formula: C₂₀H₁₃N₂NaO₅S

Purity: ≥ 40%

Color and Shape: Brown to black powder

Molecular weight: 416.38

Ref: 7W-GT5063