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Merck
CN

F2456

Sigma-Aldrich

荧光素(游离酸)

Dye content 95%, Powder

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About This Item

经验公式(希尔记法):
C20H12O5
CAS号:
分子量:
332.31
颜色索引号:
45350:1
Beilstein:
94324
EC 号:
MDL编号:
UNSPSC代码:
12171500
PubChem化学物质编号:
NACRES:
NA.47

product name

荧光素(游离酸), Dye content 95 %

形式

powder

质量水平

组成

Dye content, 95%

颜色

orange to red-brown

mp

320 °C (lit.)

λmax

496 nm

ε (消光系数)

≥12000 at 282-286 nm
≥39000 at 236-240 nm
≥70000 at 488-492 nm

应用

diagnostic assay manufacturing
hematology
histology

储存温度

room temp

SMILES字符串

Oc1ccc2c(Oc3cc(O)ccc3C24OC(=O)c5ccccc45)c1

InChI

1S/C20H12O5/c21-11-5-7-15-17(9-11)24-18-10-12(22)6-8-16(18)20(15)14-4-2-1-3-13(14)19(23)25-20/h1-10,21-22H

InChI key

GNBHRKFJIUUOQI-UHFFFAOYSA-N

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一般描述

荧光素(游离酸 CI 45350)是一种呫吨染料。荧光素(游离酸)分子可分为两部分。一部分含有呫吨基团,其可充当荧光团,而另一部分带有苯基团,其是荧光控制基团。

应用

荧光素(游离酸)已用作视网膜成像中的染色剂。
荧光素(游离酸)被广泛用作许多活细胞和组织的荧光染色和跟踪。它也适合作为研究胆管运动的标志物。临床应用包括评估眼表和描绘缺乏血脑屏障的脑区域,以实现准确的恶性胶质瘤手术切除。荧光素血管造影有助于研究视网膜血液供应的变化。荧光素还可以作为一种生理示踪剂来表征鲑鱼的肠通透性(Schep 等,1998),并用于房水流量的荧光光度法测量。它被广泛用作量子产量标准。

象形图

Exclamation mark

警示用语:

Warning

危险声明

预防措施声明

危险分类

Eye Irrit. 2

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


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