1;8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3;6- disulfonic acid trisodium salt

Code: 1079980025 D2-231

Analysis Note

Identity (UV/VIS-Spectrum): passes testColor change with zirconium: passes testpink - violetAbsorption maximum λmax. (buffer pH 7.0): 505 - 510 ...


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Analysis Note

Identity (UV/VIS-Spectrum): passes testColor change with zirconium: passes testpink - violetAbsorption maximum λmax. (buffer pH 7.0): 505 - 510 nmSpec. Absorptivity A 1%/1cm (λmax; 0.02 g/l; buffer pH 7.0; calc. on dried substance): 400 - 560Loss on Drying (105°C): ≤ 10 %

bulk density810 kg/m3
InChI keyLSAWBVPBZOEGOT-ZOVWSQMSSA-K
InChI1S/C16H12N2O11S3.3Na/c19-12-7-11(31(24,25)26)5-8-6-13(32(27,28)29)15(16(20)14(8)12)18-17-9-1-3-10(4-2-9)30(21,22)23;;;/h1-7,17,19H,(H,21,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3/b18-15-;;;
pH6.0 (22 °C, 10 g/L in H2O)
Quality Level100
solubility220 g/L
storage temp.15-25°C
Cas Number23647-14-5
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