偶氮熒光桃紅 基本信息:
Cas號 | 分子式 | 分子量 | 別名 |
3734-67-6 | C18H13N3Na | 509.42 | 偶氮熒光桃紅 ;偶氮焰紅,酸性紅1,食品紅10,5-(乙酰基氨基)-4-羥基-3(苯基偶氮)-2,7-萘二磺酸二鈉鹽 |
說明介紹:
性狀 溶于水為大紅色溶液,微溶于酒精和溶纖素,不溶于其他有機溶劑。遇濃硫酸呈藍光紅色,將其稀釋后呈較黃的紅色;遇濃硝酸呈桔紅色溶液,后轉橙色;遇濃鹽酸生成紅色沉淀,稀釋后即溶解。其水溶液加濃鹽酸呈紅色;加氫氧化鈉液呈桔棕色。染色時遇銅離子使色澤帶藍光而暗;遇鐵離子色澤帶藍光而淺。勻染性好。Colour Index Number 18050
質量標準
Dye content 90%
外觀Appearance red to purple Powder
紅外光譜Infrared spectrum Conforms to Structure
純度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)
干燥損失Drying loss ≤10.0 %
項目 BS
外觀Appearance red to purple Powder
紅外光譜Infrared spectrum Conforms to Structure
波長Wavelength 529 - 535 nm c = 0.02 g/l; Water
消光系數Extinction Coefficient ≥17000
波長Wavelength 503 - 509 nm
消光系數Extinction Coefficient ≥17000
碳Carbon 25.3 - 59.1 %
氮Nitrogen 4.5 - 12.0 %
貯存 密封陰涼干燥保存。
用途 染色劑
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