DIRECT BLUE 71

  post date: dec 02,2021   expiry date: may 31,2022   detailed description: cas no. :4399-55-7 appearance: dark brown to black powderphysical state: solidsolubility: soluble in water (partly miscible).storage: store at room temperature   cas registry number: 4399-55-7   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 formula: c40h23n7na4o13s4   molecular weight:…