推荐产品
产品名称
酒石黄, Dye content ≥85 %
表单
powder
质量水平
组成
Dye content, ≥85%
技术
titration: suitable
颜色
orange
溶解性
H2O: 10 mg/mL, clear, yellow to orange
密度
2.12 at 20 °C
εmax
435-500 at 425-429 nm in water
应用
diagnostic assay manufacturing
hematology
histology
储存温度
room temp
SMILES字符串
[Na+].[Na+].[Na+].[O-]C(=O)C1=NN(c2ccc(cc2)S([O-])(=O)=O)C(=O)C1N=Nc3ccc(cc3)S([O-])(=O)=O
InChI
1S/C16H12N4O9S2.3Na/c21-15-13(18-17-9-1-5-11(6-2-9)30(24,25)26)14(16(22)23)19-20(15)10-3-7-12(8-4-10)31(27,28)29;;;/h1-8,13H,(H,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3
InChI key
UJMBCXLDXJUMFB-UHFFFAOYSA-K
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一般描述
柠檬黄(Cl 19140)也称为酸性黄23，是一种多聚阴离子水溶性染料。作为一种磺酸染料，可通过对氨基苯磺酸与3-羧基-1-(4-磺酸苯基)-5-吡唑啉酮的反应合成。
应用
在使用离子对液相色谱-光电二极管阵列-电喷雾质谱检测器法对食品样品中柠檬黄进行测定时，可采用本品柠檬黄作为参考标准品。
柠檬黄也可用于荧光桃红-柠檬黄法染色细胞包涵体，如病毒聚集体和嗜酸性粒细胞颗粒。可替代Mallory三色染液中的橙黄G，也可配制甲基紫-柠檬黄混合液，染色粪涂片和黏膜刮片中的隐孢子虫。
柠檬黄也可用于荧光桃红-柠檬黄法染色细胞包涵体，如病毒聚集体和嗜酸性粒细胞颗粒。可替代Mallory三色染液中的橙黄G，也可配制甲基紫-柠檬黄混合液，染色粪涂片和黏膜刮片中的隐孢子虫。
储存分类代码
11 - Combustible Solids
WGK
WGK 1
个人防护装备
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
历史批次信息供参考:
分析证书(COA)
Lot/Batch Number
Simultaneous analysis of tartrazine and its intermediates by reversed phase liquid chromatography.
Wittmer PD, et al.
Analytical Chemistry, 47(8), 1422-1423 (1975)
Jin Yee Gan et al.
Membranes, 10(8) (2020-08-07)
This study produced a novel polysulfone (PSF) membrane for dye removal using lemon-derived carbon quantum dots-grafted silver nanoparticles (Ag/CQDs) as membrane nanofiller. The preparation of CQDs was completed by undergoing hydrothermal treatment to carbonize the pulp-free lemon juice into CQD
Daniel C Corbett et al.
Science advances, 6(40) (2020-10-02)
Spatial patterns of gene expression in living organisms orchestrate cell decisions in development, homeostasis, and disease. However, most methods for reconstructing gene patterning in 3D cell culture and artificial tissues are restricted by patterning depth and scale. We introduce a
Stella A Ordoudi et al.
Food chemistry, 267, 410-419 (2018-06-24)
The stepwise approach takes advantage of simple, versatile, low-cost screening tools that can be applied to several posts of the saffron trade chain to specifically detect adulteration with carminic acid (CA). This natural dye is of insect origin and should
Determination of sulphonated azo dyes in food by ion-pair liquid chromatography with photodiode array and electrospray mass spectrometry detection.
Fuh R-N and Chia J-K
Talanta, 56(4), 663-671 (2002)
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