4,5-Dihydroxynaphthalene-3-(4-nitrophenylazo)-2,7-disulfonic acid disodium salt

CAS: 548-80-1

Ref. IN-DA00DDW7

Product Information

• Name: 4,5-Dihydroxynaphthalene-3-(4-nitrophenylazo)-2,7-disulfonic acid disodium salt
• Synonyms: Chromatrope 2B, Khromotrop 2B, Chromotrope Red 4B, Naphtocard Fast Red 3B, 2-(4-Nitrophenylazo)chromotropic acid disodium salt, Chromotrope 2B, pure, 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-nitrophenyl)azo]-, disodium salt, p-Nitrobenzeneazochromotropic acid sodium salt, 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-((4-nitrophenyl)azo)-, disodium salt, 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-(2-(4-nitrophenyl)diazenyl)-, sodium salt (1:2), 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2), Chromotrope 2B, for microscopy, Disodium 4,5-dihydroxy-3-(p-nitrophenylazo)naphthalene-2,7-disulphonate, 2-(4-Nitrophenylazo)chromotropic acid disodium sal, 4,5-Dihydroxy-3-(p-nitrophenylazo)-2,7-naphthalenedisulfonic Acid Disodium Salt, dipotassium 4,5-dihydroxy-3-[2-(4-nitrophenyl)diazen-1-yl]naphthalene-2,7-disulfonate, disodium (3E)-5-hydroxy-3-[(4-nitrophenyl)hydrazono]-4-oxo-naphthalene-2,7-disulfonate, disodium 5-hydroxy-3-[(4-nitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate, sodium (E)-4,5-dihydroxy-3-((4-nitrophenyl)diazenyl)naphthalene-2,7-disulfonate, disodium (3Z)-5-hydroxy-3-[(4-nitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate, disodium 3-[(4-nitrophenyl)hydrazinylidene]-5-oxidanyl-4-oxidanylidene-naphthalene-2,7-disulfonate, disodium,(3E)-5-hydroxy-3-[(4-nitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate
• Brand: Indagoo

Chemical properties

• Molecular weight: 513.3663
• Formula: C₁₆H₉N₃Na₂O₁₀S₂
• Purity: 85%
• Color/Form: Solid
• InChI: InChI=1S/C16H11N3O10S2.2Na/c20-12-7-11(30(24,25)26)5-8-6-13(31(27,28)29)15(16(21)14(8)12)18-17-9-1-3-10(4-2-9)19(22)23;;/h1-7,20-21H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2
• InChI key: AXUUHWJXDWBCSG-UHFFFAOYSA-L