检测方案
≥96% (HPLC)
形式
solid
组成
Dye content, 95%
颜色
red to brown
ε (消光系数)
≥ 3000 at 350-354 nm
≥12000 at 311-315 nm
≥32000 at 262-266 nm
≥32000 at 513-517 nm
≥98000 at 546-550 nm at 0.04 g/L (H2O + 1ml 1% Na2CO3)
application(s)
diagnostic assay manufacturing
hematology
histology
储存温度
room temp
SMILES string
[Na+].[Na+].[O-]C(=O)c1c(Cl)c(Cl)c(Cl)c(Cl)c1C2=C3C=C(I)C(=O)C(I)=C3Oc4c(I)c([O-])c(I)cc24
InChI
1S/C20H4Cl4I4O5.2Na/c21-10-8(9(20(31)32)11(22)13(24)12(10)23)7-3-1-5(25)16(29)14(27)18(3)33-19-4(7)2-6(26)17(30)15(19)28;;/h1-2,29H,(H,31,32);;/q;2*+1/p-2
InChI key
UWBXIFCTIZXXLS-UHFFFAOYSA-L
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一般描述
应用
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
分析证书(COA)
输入产品批号来搜索 分析证书(COA) 。批号可以在产品标签上"批“ （Lot或Batch）字后找到。
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如何查找产品货号
在网站页面上，产品编号会附带包装尺寸/数量一起显示（例如：T1503-25G）。请确保 在“产品编号”字段中仅输入产品编号 (示例: T1503).
示例
其它示例：
705578-5MG-PW
PL860-CGA/SHF-1EA
MMYOMAG-74K-13
1000309185
输入内容 1.000309185)
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如何查找COA批号
批号可以在产品标签上"批“ （Lot或Batch）字后面找到。
Aldrich 产品
如果您查询到的批号为 TO09019TO 等，请输入去除前两位字母的批号：09019TO。
如果您查询到的批号含有填充代码（例如05427ES-021），请输入去除填充代码-021的批号：05427ES。
如果您查询到的批号含有填充代码（例如 STBB0728K9），请输入去除填充代码K9的批号：STBB0728。
未找到您寻找的产品？
部分情况下，可能未在线提供COA。如果搜索不到COA，可在线索取。
Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
What is the solubility of Rose Bengal, Product 330000?
According to The Sigma-Aldrich Handbook of Stains, Dyes and Indicators, Rose Bengal is soluble in water at 100 mg/mL, ethanol at 30 mg/mL and 2-methoxyethanol at 60 mg/mL. Conn's Biological Stains (10th Edition) states Rose Bengal has a solubility of 36% in water and 8% in ethanol.
What types of applications can Product 330000, Rose bengal be used for?
According to the literature, Rose bengal has been used in a used in neutrophil adherence test and as a generator of singlet oxygen when exposed to laser energy. See: McKinnon, J. , Expt. Med., 164, 1864, (1986) and Gamble and Vadas, Science, 242, 97, (1988).
What is the quantum yield of Rose bengal, Product 330000?
According to the literature, the quantum yield of Rose bengal is 0.11. See: Seybold, P.G., et al., Calorimetric, photometric and lifetime determinations of fluorescence yields of fluorescein dyes, Photochem. Photobiol., 9, 229-242 (1969).
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