48183 偶氮荧光桃红 Dye content 90 % 100g 490
48184 偶氮荧光桃红 Dye content 90% 25g 182
48185 偶氮荧光桃红 BS 25g 55
红色粉末，溶于水为大红色溶液，微溶于酒精和溶纤素，不溶于其他有机溶剂。遇浓硫酸呈蓝光红色，将其稀释后呈较黄的红色；遇浓硝酸呈桔红色溶液，后转橙色；遇浓盐酸生成红色沉淀，稀释后即溶解。其水溶液加浓盐酸呈红色；加氢氧化钠液呈桔棕色。染色时遇铜离子使色泽带蓝光而暗；遇铁离子色泽带蓝光而浅。匀染性好。Colour Index Number 18050
Dye content 90% 外观Appearance red to purple Powder 红外光谱Infrared spectrum Conforms to Structure 纯度Purity(HPLC) ≥90.0% λ max. 503.0 - 507.0 nm(H2O) λ max.2 530.0 - 534.0 nm(H2O) 吸光度Absorbance(E1%1cm) ≥250(H2O, 503.0 - 507.0 nm) 吸光度Absorbance(E1%1cm)2 ≥250(H2O, 530.0 - 534.0 nm) 干燥损失Drying loss ≤10.0 % 项目 BS 外观Appearance red to purple Powder 红外光谱Infrared spectrum Conforms to Structure 波长Wavelength 529 - 535 nm c = 0.02 g/l; Water 消光系数Extinction Coefficient ≥17000 波长Wavelength 503 - 509 nm 消光系数Extinction Coefficient ≥17000 碳Carbon 25.3 - 59.1 % 氮Nitrogen 4.5 - 12.0 %

染色剂