Direct Blue 218 (Technical Grade)

CAS: 28407-37-6

Ref. TR-D492970

Product Information

• Name: Direct Blue 218 (Technical Grade)
• Synonyms: 1-Naphthol-3,6-disulfonic acid, 2,2'-(3,3'-dihydroxy-4,4'-biphenylylenebisazo)bis[8-amino-, dicopper deriv., tetrasodium salt (6CI), C.I. Direct Blue 218 (8CI), Copper, [tetrahydrogen-3,3'-[(3,3'-dihydroxy-4,4'-biphenylylene)bis(azo)]bis[5-amino-4-hydroxy-2,7-naphthalenedisulfonato](4-)]di-, tetrasodium salt (7CI), Cuprate(4-), [μ-[[3,3'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-amino-4-hydroxy-2,7-naphthalenedisulfonato]](8-)]]di-, tetrasodium, Cuprate(4-), [μ-[[3,3'-[[3,3'-di(hydroxy-κO)[1,1'-biphenyl]-4,4'-diyl]bis(azo-κN1)]bis[5-amino-4-(hydroxy-κO)-2,7-naphthalenedisulfonato]](8-)]]di-, tetrasodium (9CI), 2,7-Naphthalenedisulfonic acid, 3,3'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-amino-4-hydroxy-, copper complex, Amanil Supra Blue 9GL, C.I. 24401, Carta Blue VP, Direct Blue 218, Fastusol Blue 9GLP, Intralite Blue 8GLL, Pontamine Bond Blue B, Pontamine Fast Blue 7GLN, 1-Naphthol-3,6-disulfonic acid, 2,2′-(3,3′-dihydroxy-4,4′-biphenylylenebisazo)bis[8-amino-, dicopper deriv., tetrasodium salt, 2,7-Naphthalenedisulfonic acid, 3,3′-[(3,3′-dihydroxy[1,1′-biphenyl]-4,4′-diyl)bis(azo)]bis[5-amino-4-hydroxy-, copper complex, Copper, [tetrahydrogen-3,3′-[(3,3′-dihydroxy-4,4′-biphenylylene)bis(azo)]bis[5-amino-4-hydroxy-2,7-naphthalenedisulfonato](4-)]di-, tetrasodium salt, Cuprate(4-), [μ-[[3,3′-[(3,3′-dihydroxy[1,1′-biphenyl]-4,4′-diyl)bis(azo)]bis[5-amino-4-hydroxy-2,7-naphthalenedisulfonato]](8-)]]di-, tetrasodium, Cuprate(4-), [μ-[[3,3′-[[3,3′-di(hydroxy-κO)[1,1′-biphenyl]-4,4′-diyl]bis(2,1-diazenediyl-κN¹)]bis[5-amino-4-(hydroxy-κO)-2,7-naphthalenedisulfonato]](8-)]]di-, sodium (1:4), Cuprate(4-), [μ-[[3,3′-[[3,3′-di(hydroxy-κO)[1,1′-biphenyl]-4,4′-diyl]bis(azo-κN¹)]bis[5-amino-4-(hydroxy-κO)-2,7-naphthalenedisulfonato]](8-)]]di-, tetrasodium
• CAS: 28407-37-6

Description

Applications Direct Blue 218 is an azo dye used in diagnostic imaging. Used in the prediction of rat carcinogenisis. Also used in textile dyes contributing to textile effluents and wastewaters.Environmental toxin on US EPA Toxic Release Inventory list (TRI) list.
References Baughman, G. et al.: Textile. Chemist. Color. Am. Dye. Rep., 32, 51 (2000);

• Brand: TRC

Chemical properties

• Molecular weight: 1087.81
• Formula: C₃₂H₁₆Cu₂N₆Na₄O₁₆S₄
• Color/Form: Dark Blue Powder
• InChI: InChI=1S/C32H24N6O16S4.2Cu.4Na/c33-19-11-17(55(43,44)45)5-15-9-25(57(49,50)51)29(31(41)27(15)19)37-35-21-3-1-13(7-23(21)39)14-2-4-22(24(40)8-14)36-38-30-26(58(52,53)54)10-16-6-18(56(46,47)48)12-20(34)28(16)32(30)42;;;;;;/h1-12,39-42H,33-34H2,(H,43,44,45)(H,46,47,48)(H,49,50,51)(H,52,53,54);;;;;;/q;2*+2;4*+1/p-8
• InChI key: InChIKey=TVZAPPGLBLTACB-UHFFFAOYSA-N
• SMILES: Brc1cc(Br)c(Oc2ccccc2)c(Br)c1