CAS: 23647-14-5 - 2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid, trisodium salt

Formula: C₁₆H₉N₂O₁₁S₃

InChI: InChI=1S/C16H12N2O11S3.3Na/c19-12-7-11(31(24,25)26)5-8-6-13(32(27,28)29)15(16(20)14(8)12)18-17-9-1-3-10(4-2-9)30(21,22)23;;;/h1-7,19-20H,(H,21,22,23)(H,24,25,26)(H,27,28,29);;;

InChI key: InChIKey=UQSKFBMHJUNOEY-UHFFFAOYSA-N

SMILES: [Na].O=S(=O)(O)C1=CC=C(N=NC=2C(O)=C3C(O)=CC(=CC3=CC2S(=O)(=O)O)S(=O)(=O)O)C=C1

Synonyms:

• 1,8-Dihydroxy-2-[4-sulfophenylazo]-naphthalene-3,6-disulfonic acid
• 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, trisodium salt
• 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(p-sulfophenyl)azo]-, trisodium salt
• 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:3)
• 2-(4-Sulphophenylazo)chromotropic acid trisodium salt
• 3-(4-Sulfophenylazo)-4,5-dihydroxynaphthalene-2,7-disulfonic acid trisodium salt
• 4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalenedisulfonic acid, trisodium salt
• 5-Hydroxy-4-Oxo-3-[(4-Sulfonatophenyl)Hydrazono]-3,4-Dihydronaphthalene-2,7-Disulfonate
• Spadns
• Sulphanilic acid azochromotrope
• Trisodium 2-(p-sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate
• Trisodium 4,5-Dihydroxy-3-(4-Sulphonatophenylazo)Naphthalene-2,7-Disulphonate
• p-Sulfophenylazochromotropic acid trisodium salt
• trisodium (3E)-5-hydroxy-4-oxo-3-[(4-sulfonatophenyl)hydrazono]-3,4-dihydronaphthalene-2,7-disulfonate
• trisodium (3Z)-5-hydroxy-4-oxo-3-[(4-sulfonatophenyl)hydrazono]-3,4-dihydronaphthalene-2,7-disulfonate

SPADNS

CAS: 23647-14-5

Sulfanilic acid azochromotrop is used as an indicator for complexometric determinations of zirconium and thorium. …

• Formula: C₁₆H₉N₂Na₃O₁₁S₃
• Color and Shape: Dark red to brown to dark brown, Crystals or powder or crystalline powder
• Molecular weight: 570.40

2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:3)

CAS: 23647-14-5

• Formula: C₁₆H₁₀N₂Na₃O₁₁S₃
• Purity: 95%
• Color and Shape: Solid
• Molecular weight: 571.4217

Sulfanilic acid azochromotrop

CAS: 23647-14-5

• Formula: C₁₆H₉N₂Na₃O₁₁S₃
• Color and Shape: Red to brown powder
• Molecular weight: 570.41

Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate

CAS: 23647-14-5

• Formula: C₁₆H₉N₂Na₃O₁₁S₃
• Purity: >95.0%(HPLC)
• Color and Shape: Orange to Brown to Dark red powder to crystal
• Molecular weight: 570.40

SPADNS (Sulfanilic Acid-azochromotrop) extrapure AR

CAS: 23647-14-5

• Formula: C₁₆H₉N₂O₁₁S₃Na₃
• Color and Shape: Red to brown, Crystalline powder, Clear
• Molecular weight: 570.40

SPADNS extrapure AR, ACS

CAS: 23647-14-5

• Formula: C₁₆H₉N₂O₁₁S₃Na₃
• Color and Shape: Red to brown, Solid, Clear
• Molecular weight: 570.40

p-Sulfophenylazochromotropic acid trisodium salt

CAS: 23647-14-5

p-Sulfophenylazochromotropic acid trisodium salt is a chemical that can be used as a building block …

• Formula: C₁₆H₉N₂Na₃O₁₁S₃
• Purity: Min. 95 Area-%
• Color and Shape: Yellow Powder
• Molecular weight: 570.42 g/mol