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
• Brand: TRC
• 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)

Chemical properties

• Molecular weight: 1087.81
• Formula: C₃₂H₁₈Cu₂N₆O₁₆S₄·4Na
• 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