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Merck 107998 1,8-Dihydroxy-2-(4-sulfophenylazo) naphthalene-3,6-disulfonic acid trisodium salt for analysis (Reagent For Fluoride,Zirconium,Thorium)

Marka
Stok Kodu
LB.M.1079980025
Kısa Bilgi
Synonym(s): 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt, SPADNS, Empirical Formula (Hill Notation): C16H9N2Na3O11S3, CAS Number: 23647-14-5
Stok Sorunuz
Merck 107998 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt
Catalogue Number 107998
Synonyms SPADNS
Merck 107998 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt 
Product Information
CAS number 23647-14-5
EC number 245-803-9
Hill Formula C₁₆H₉N₂Na₃O₁₁S₃
Molar Mass 570.41 g/mol
HS Code 2927 00 00
Structure formula Image Structure formula Image
Quality Level MQ100
Physicochemical Information
pH value 6.0 (10 g/l, H₂O, 22 °C)
Bulk density 810 kg/m3
Solubility 220 g/l
Safety Information according to GHS
Storage class 10 - 13 Other liquids and solids
WGK WGK 3 highly hazardous to water
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Storage and Shipping Information
Storage Store at +15°C to +25°C.
Specifications
Identity (UV/VIS-Spectrum) passes test
Color change with zirconium passes test pink - 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 %
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Merck 107998 1,8-Dihydroxy-2-(4-sulfophenylazo) naphthalene-3,6-disulfonic acid trisodium salt for analysis (Reagent For Fluoride,Zirconium,Thorium) Merck 107998 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt GR for analysis (reagent for fluoride, zirconium, thorium) LB.M.1079980025
Merck 107998 1,8-Dihydroxy-2-(4-sulfophenylazo) naphthalene-3,6-disulfonic acid trisodium salt for analysis (Reagent For Fluoride,Zirconium,Thorium)

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