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330000

Sigma-Aldrich

玫瑰红

Dye content 95 %, ≥96% (HPLC)

别名:

四氯四碘荧光素 二钠盐, 孟加拉玫瑰红 B 钠盐, 虎红 钠盐, 酸性红 94

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About This Item

经验公式（希尔记法）:
C20H2Cl4I4Na2O5
CAS号:
632-69-9
分子量:
1017.64
Beilstein:
3645857
EC 号:
211-183-3
MDL编号:
MFCD00005043
UNSPSC代码:
12171500
PubChem化学物质编号:
24859827
NACRES:
NA.47
价格与库存信息目前不能提供

方案

≥96% (HPLC)

表单

solid

组成

Dye content, 95%

技术

titration: suitable

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)

应用

diagnostic assay manufacturing
hematology
histology

储存温度

room temp

SMILES字符串

[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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相关类别

一般描述

Rose Bengal用于染色死细胞和变性细胞及粘液。[1]
玫瑰红是一种红色或玫瑰色染料，是阴离子性质。它是荧光素的4、5、6、7-四氯2′，4′，5′，7′-四碘衍生物。在干眼症、疱疹性角膜炎等眼表疾病中，它广泛用于眼表上皮细胞的损伤检测。玫瑰红具有温和的抗病毒效力。[2][3]

应用

Rose Bengal已被用于评估顶体完整性。[4][5]此外，它还被用来引发血液中的血栓栓塞。[6][7]

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)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000323961
0000323962
SHBP3785
SHBS1932
0000323962

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Questions

1–4 of 4 Questions  

  1. What is the solubility of Rose Bengal, Product 330000?

    1 answer

    1. 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.

      Helpful?

  2. What types of applications can Product 330000, Rose bengal be used for?

    1 answer

    1. 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).

      Helpful?

  3. What is the Department of Transportation shipping information for this product?

    1 answer

    1. 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.

      Helpful?

  4. What is the quantum yield of Rose bengal, Product 330000?

    1 answer

    1. 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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