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107998 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6- disulfonic acid trisodium salt

107998
Purchase on Sigma-Aldrich

Overview

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
23647-14-5245-803-9C₁₆H₉N₂Na₃O₁₁S₃570.41 g/mol

Products

Catalogue NumberPackaging Qty/Pack
1079980025 Glass bottle 25 g
Description
Catalogue Number107998
SynonymsSPADNS
Product Information
CAS number23647-14-5
EC number245-803-9
Hill FormulaC₁₆H₉N₂Na₃O₁₁S₃
Molar Mass570.41 g/mol
HS Code2927 00 29
Structure formula ImageStructure formula Image
Quality LevelMQ100
Physicochemical Information
pH value6.0 (10 g/l, H₂O, 22 °C)
Bulk density810 kg/m3
Solubility220 g/l
Safety Information according to GHS
Storage class10 - 13 Other liquids and solids
WGKWGK 3 highly hazardous to water
Disposal3
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
StorageStore at +15°C to +25°C.
Specifications
Identity (UV/VIS-Spectrum)passes test
Color change with zirconiumpasses 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 %
Global Trade Item Number
Catalogue Number GTIN
1079980025 04022536099033