CAS: 1787-61-7 - Eriochrome Black T

Formula: C₂₀H₁₃N₃O₇S·Na

InChI: InChI=1S/C20H13N3O7S.Na/c24-17-10-18(31(28,29)30)15-9-12(23(26)27)6-7-14(15)19(17)22-21-16-8-5-11-3-1-2-4-13(11)20(16)25;/h1-10,24-25H,(H,28,29,30);

InChI key: InChIKey=YUJFCGQWGATJPG-UHFFFAOYSA-N

SMILES: [Na].O=N(=O)C1=CC=C2C(N=NC=3C=CC=4C=CC=CC4C3O)=C(O)C=C(C2=C1)S(=O)(=O)O

Synonyms:

• Erichrome Black T
• sodium 3-hydroxy-4-[(1-hydroxy-2-naphthyl)azo]-7-nitro-naphthalene-1-sulfonate
• Chromogene Black ET
• Eriochrome Balck T
• C.I. Mordant Black 11, monosodium salt (8CI)
• Mordant black 11
• Eriochrome Black T
• Eriochrome (R) black T
• 3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-7-nitro-1-naphthalenesulfonic acid, sodium salt
• 2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-6-nitro-4-naphthalenesulfonic acid, sodium salt
• C.I. Mordant Black 11, monosodium salt
• C.I.Mordant Black 11
• C.I. 14645
• C.I. Mordant Black 11 (VAN)
• 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(1-hydroxy-2-naphthyl)azo]-7-nitro-, monosodium salt
• sodium (4Z)-4-[(1-hydroxynaphthalen-2-yl)hydrazono]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate
• 1-Naphthalenesulfonic acid, 3-hydroxy-4-[2-(1-hydroxy-2-naphthalenyl)diazenyl]-7-nitro-, sodium salt (1:1)
• Eriochrome Balck T250
• C.I. Mordant Black 11, monosodium salt
• Eriochrome black T supra
• Color index
• 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo]-7-nitro-, monosodium salt
• sodium 3-hydroxy-4-[(E)-(1-hydroxynaphthalen-2-yl)diazenyl]-7-nitronaphthalene-1-sulfonate
• Mordant Black 11 (14650)

Eriochrome Black T extrapure AR

CAS: 1787-61-7

• Formula: C₂₀H₁₂N₃NaO₇S
• Color and Shape: Brown to Black, Powder
• Molecular weight: 461.39

Eriochrome Black T

CAS: 1787-61-7

• Formula: C₂₀H₁₂N₃NaO₇S
• Color and Shape: Black powder to crystaline
• Molecular weight: 461.38

Eriochrome Black T (1:100 diluted with NaCl)

CAS: 1787-61-7

• Formula: C₂₀H₁₂N₃NaO₇S
• Color and Shape: Purple to Dark purple to Brown powder to crystal
• Molecular weight: 461.38

Eriochrome Black T

CAS: 1787-61-7

Eriochrome black T is used as an indicator in analytical chemistry. It is also used …

• Formula: C₂₀H₁₂N₃NaO₇S
• Color and Shape: Black, Crystals or powder or crystalline powder
• Molecular weight: 461.38

Eriochrome™Black T, ACS reagent, indicator grade

CAS: 1787-61-7

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. …

• Formula: C₂₀H₁₂N₃NaO₇S
• Molecular weight: 461.38

Eriochrome™ Black T, pure, indicator grade

CAS: 1787-61-7

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. …

• Formula: C₂₀H₁₂N₃NaO₇S
• Color and Shape: Powder, Brown to black
• Molecular weight: 461.38

1-Naphthalenesulfonic acid,3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo]-7-nitro-, monosodium salt

CAS: 1787-61-7

• Formula: C₂₀H₁₃N₃NaO₇S
• Color and Shape: Solid
• Molecular weight: 462.3879

Eriochrome Black T (C.I. 14645)

CAS: 1787-61-7

• Formula: C₂₀H₁₂N₃NaO₇S
• Purity: 95 - 105 %
• Color and Shape: Black crystalline powder
• Molecular weight: 461.39

Eriochrome Black T

CAS: 1787-61-7

Eriochrome Black T is a complexometric indicator. Eriochrome Black T is used in complexometric titrations.

• Formula: C₂₀H₁₃N₃NaO₇S
• Color and Shape: Black Powder
• Molecular weight: 462.39

Eriochrome Black T (C.I. 14645); ACS grade

CAS: 1787-61-7

• Formula: C₂₀H₁₂N₃NaO₇S
• Color and Shape: Very dark brown or black powder
• Molecular weight: 461.39

Eriochrome black T indicator (C.I. 14645), 1% solid

CAS: 1787-61-7

• Color and Shape: Solid
• Molecular weight: 461.379954338074

Eriochrome black t

CAS: 1787-61-7

• Color and Shape: Solid
• Molecular weight: 461.029365004

Mordant Black 11 (Technical Grade)

CAS: 1787-61-7

Applications Mordant black 11 is a dye potentially useful as a metal indicator. Dyes and …

• Formula: C₂₀H₁₂N₃O₇S·Na
• Color and Shape: Dark Brown To Black
• Molecular weight: 461.38

Mordant black 11 - Technical

CAS: 1787-61-7

Mordant Black 11 is a water-soluble dye that is used in the treatment of wastewater. …

• Formula: C₂₀H₁₂N₃NaO₇S
• Purity: Min. 95%
• Molecular weight: 461.38 g/mol