F2456
荧光素（游离酸）
Dye content 95%, Powder
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关于此项目
经验公式（希尔记法）:
C20H12O5
化学文摘社编号:
分子量:
332.31
UNSPSC Code:
12171500
Colour Index Number:
45350:1
NACRES:
NA.47
PubChem Substance ID:
EC Number:
219-031-8
MDL number:
Beilstein/REAXYS Number:
94324
产品名称
荧光素（游离酸）, Dye content 95 %
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
SMILES string
Oc1ccc2c(Oc3cc(O)ccc3C24OC(=O)c5ccccc45)c1
form
powder
composition
Dye content, 95%
technique(s)
titration: suitable
color
orange to red-brown
mp
320 °C (lit.)
λmax
496 nm
ε (extinction coefficient)
≥12000 at 282-286 nm
≥39000 at 236-240 nm
≥70000 at 488-492 nm
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
Quality Level
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Application
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。
General description
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。
signalword
Warning
hcodes
pcodes
Hazard Classifications
Eye Irrit. 2
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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