1.07998
1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt
GR for analysis (reagent for fluoride, zirconium, thorium)
别名:
1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt, SPADNS
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关于此项目
经验公式（希尔记法）:
C16H9N2Na3O11S3
化学文摘社编号:
分子量:
570.41
UNSPSC Code:
12352107
EC Index Number:
245-803-9
NACRES:
NB.21
MDL number:
产品名称
1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt, GR for analysis (reagent for fluoride, zirconium, thorium)
SMILES string
[Na+].[Na+].[Na+].[S](=O)(=O)([O-])c1ccc(cc1)N\N=C2\C(=Cc3c(c(cc(c3)[S](=O)(=O)[O-])[O-])C\2=O)[S](=O)(=O)O
InChI
1S/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-;;;
InChI key
LSAWBVPBZOEGOT-ZOVWSQMSSA-K
pH
6.0 (22 °C, 10 g/L in H2O)
solubility
220 g/L
bulk density
810 kg/m3
storage temp.
15-25°C
Quality Level
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Analysis Note
Identity (UV/VIS-Spectrum): passes test
Color change with zirconium: passes testpink - violet
Absorption maximum λmax. (buffer pH 7.0): 505 - 510 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.02 g/l; buffer pH 7.0; calc. on dried substance): 400 - 560
Loss on Drying (105°C): ≤ 10 %
Color change with zirconium: passes testpink - violet
Absorption maximum λmax. (buffer pH 7.0): 505 - 510 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.02 g/l; buffer pH 7.0; calc. on dried substance): 400 - 560
Loss on Drying (105°C): ≤ 10 %
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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