CAS: 3618-63-1 - eriochrome red B

Formula: C₂₀H₁₅N₄NaO₅S

InChI: InChI=1S/C20H16N4O5S.Na/c1-12-18(20(26)24(23-12)13-7-3-2-4-8-13)21-22-19-15-10-6-5-9-14(15)17(11-16(19)25)30(27,28)29;/h2-11,18,25H,1H3,(H,27,28,29);

InChI key: InChIKey=LQNCZVUOLJAMAW-UHFFFAOYSA-N

SMILES: [Na].O=C1N(N=C(C)C1N=NC2=C(O)C=C(C=3C=CC=CC23)S(=O)(=O)O)C=4C=CC=CC4

Synonyms:

• (4Z)-4-[(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)hydrazono]-3-oxo-3,4-dihydronaphthalene-1-sulfonic acid
• 1-Naphthalenesulfonic acid, 4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-hydroxy-, monosodium salt
• 1-Naphthalenesulfonic acid, 4-[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-3-hydroxy-, sodium salt (1:1)
• Acid Chrome Bordeaux 2A
• Acid Chrome Bordeaux B
• Acid Chrome Red
• Acid Chrome Red B
• Acid Mordant Red B
• Airedale Red BC
• Alizarine Brilliant Red 3R
• Anthranol Chrome Red ECB
• Atlantichrome Fast Red B
• Azochromol Red G
• Calcochrome Fast Red ECB
• Chromaven Fast Red B
• Chrome Bordeaux R
• Chrome Fast Red 2B
• Chrome Fast Red B
• Chrome Red
• Chrome Red B
• Chrome Red ECB
• Chrome Red MB
• Diacromo Red B
• Diacromo Red MB
• Diamond Red ECB
• Durochrome Red B
• Eriochromered
• Fenakrom Red B
• Hbt-R 615
• Hispacrom Red 2B
• Java Chrome Red B
• Java Unichrome Red B
• Magracrom Bordeaux 2A
• Mitsui Chrome Red B
• Monochrome Red BS
• NSC 47717
• Omega Chrome Red B
• Orthochrome Bordeaux B
• Pontachrome Fast Red E
• Salicine Chrome Bordeaux R
• Solochrome Leather Red ER
• Solochrome Red ER
• Sunchromine Red B
• Superchrome Red ECB
• Symulon Chrome Red B
• Tertrochrome Red 2B
• Yodochrome Red BB
• sodium (4Z)-4-[2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)hydrazinylidene]-3-oxo-3,4-dihydronaphthalene-1-sulfonate
• sodium 3-hydroxy-4-[(E)-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl]naphthalene-1-sulfonate

Eriochrome Red B

CAS: 3618-63-1

• Formula: C₂₀H₁₅N₄NaO₅S
• Color and Shape: Light yellow to Amber to Dark green powder to crystal
• Molecular weight: 446.41

1-Naphthalenesulfonic acid,4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-hydroxy-, monosodium salt

CAS: 3618-63-1

• Formula: C₂₀H₁₅N₄NaO₅S
• Purity: 85%
• Color and Shape: Solid
• Molecular weight: 446.4117

C.I. 18760

CAS: 3618-63-1

C.I. 18760: bluish-red powder dye turns orange in dilute sulfuric acid, red in caustic soda, …

• Formula: C₂₀H₁₆N₄NaO₅S
• Purity: 98%
• Color and Shape: Solid
• Molecular weight: 447.42

Mordant red 7

CAS: 3618-63-1

Mordant Red 7 is a synthetic organic dye that is used as a mordant in …

• Formula: C₂₀H₁₆N₄O₅S
• Purity: Min. 95%
• Molecular weight: 424.43 g/mol