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1)  C.I.16255
丽春红4R
2)  ponceau 4R
胭脂红,丽春红4R
3)  Ponceau-G
丽春红-G
1.
The Research of Water Soluble Dyes of Allura Red and Ponceau-G as Tracers for Determing Pesticide Spray Distribution;
水溶性染色剂诱惑红和丽春红-G作为农药沉积分布的示踪剂研究
4)  ponceau [英][pɔn'səu]  [美][pɑn'so]
丽春红
1.
Fading spectrophotometric determination of trace lanthanum based on its catalytic effect on oxidation of ponceau by peroxide;
镧(Ⅲ)催化过氧化氢氧化丽春红褪色光度法测定痕量镧
5)  Ponceau 2R
丽春红2R
1.
A Kinetic Spectrophotometric Method for the Determination of Trace Iron(Ⅲ) with Ponceau 2R and Potassium Periodic;
丽春红2R-高碘酸钾催化动力学体系光度法测定痕量铁
2.
Simultaneous qualitative analysis of basic orange2,metanil yellow,ponceau 2R and other mixed pigments in food by TLC
食品中碱性橙、皂黄、丽春红2R等色素的同时薄层色谱定性分析
6)  ponceau S
丽春红S
1.
Spectrophotometric determination of Co~(2+) in tin-cobalt alloy electroplating bath with fading reaction of ponceau S;
丽春红S褪色光度法测定锡-钴合金镀液中的钴
2.
Study on the Fading Photometric Determination of Micro-amounts of Bromate with Ponceau S;
丽春红S褪色分光光度法测定溴酸根离子的研究
3.
In weak acidity condition,resonance rayleigh scattering(RRS) peaks of micronomicin sulfate(MIC)and ponceau S(PS) were very weak.
在弱酸性条件下,硫酸小诺霉素和丽春红S各自的共振瑞利散射十分微弱,两者相互作用后形成缔合物,导致体系的共振瑞利散射急剧增强,在597 nm产生最大散射峰。
补充资料:丽春红4R
分子式:C20H11N2NA3O10S3
分子量:604.48
CAS号:

毒性LD50(mg/kg):大鼠经口13900
性状:红至暗红色颗粒或粉末,无臭。
溶解情况:溶于水、甘油,难溶于乙醇,不溶于油脂。
用途:用于食品、药物、化妆品的着色。
制备或来源:由1,4-氨基萘磺酸经重氮化后与G盐(β-萘酚-6,8-二磺酸的钠盐或钾盐)在碱性介质中偶合制得。
备注:动物试验无中毒现象。遇碱变褐色。最大吸收波长506nm。耐光性、耐酸性尚好,耐热性、耐还原性很弱,耐细菌性较弱。遇碱变褐色。
类别:食用染料


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