China Suppliers > NEW DRAGON CO., LTD > DIRECT BLUE 71
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- Region :China/Zhejiang
- Tel : +86-574-87716276 87721076 87703994
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- URL :www.newdragondyes.com
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- Details for DIRECT BLUE 71
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DIRECT BLUE 71
Category : Dyestuffs and Pigments
CAS NO : 4399-55-7 EC NO : 224-531-4 MF : C40H23N7Na4O13S4 MW : 1029.8688 Synonyms : C.I. Direct Blue 71;C.I. 34140;Direct Blue 71;direct blue 71 (C.I. 34140);tetrasodium 3-[(E)-{4-[(E)-{4-[2-(6-amino-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene)hydrazino]-6-sulfonatonaphthalen-1-yl}diazenyl]naphthalen-1-yl}diazenyl]naphthalene-1,5-disulfonate;tetrasodium 3-[(E)-{4-[(E)-{4-[(2E)-2-(6-amino-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene)hydrazinyl]-6-sulfonatonaphthalen-1-yl}diazenyl]naphthalen-1-yl}diazenyl]naphthalene-1,5-disulfonate;Direct blue 71(C.I.34140); Molecular Structure : 
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