品牌
代理商厂商性质
上海市所在地
藻红B 基本信息:
Cas号 | 分子式 | 分子量 | 别名 |
15905-32-5 | C20H8I4O5 | 835.89 | 藻红B ;樱桃红,溶剂红140,四碘荧光素,赤藓红,3,'6'-二羟基-2,'4,'5,'7,'-四碘螺[异苯并呋喃-1(3H),9'-[9H]占吨]-3-酮,9-邻羧苯基-6-羟基-2,4,5,7-四碘-3-异氧杂蒽酮二钠盐 |
说明介绍:
性状 红色或红褐色的颗粒或。易溶于水,可溶于甘油及乙醇,不溶于油脂。耐光性差,耐热性;耐碱性;耐氧化还原及耐细菌性均好,但对酸不稳定。碱溶性: 1 mg/mL 1 M NaOH
质量标准
96%
外观Appearance 橙红色粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
染料含量Dye-content ≥96.0% (滴定)
紫外光谱UV spectrometry 符合
灵敏性试验Sensitiveness 合格
Biological stain
外观Appearance orange to red-orange powder
红外光谱Infrared spectrum Conforms to Structure
波长Wavelength 526 - 534 nm
消光系数Extinction Coefficient ≥102000
波长Wavelength 310 - 318 nm
消光系数Extinction Coefficient ≥13000
波长Wavelength 258 - 266 nm
消光系数Extinction Coefficient ≥32000
(C = 0.005g/l, Methanol)
碳Carbon 27.3 - 30.2 %
溶解试验Solubility orange to red clear liquid(1mg/ml 1M NH4OH)
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