荧光素 CAS号：2321-07-5

中文名称： 荧光素 

英文名称： Fluorescein 

分子式： C20H12O5 分子量： 332.30628 

CAS号： 2321-07-5 EINECS编号： 219-031-8 

储存条件： 见产品介绍 

中文别名： 2-(6-羟基-3-氧代-3H-呫吨-9-基)苯甲酸;萤光橙黄;萤光红;萤光黄;荧光酯;荧光橙红;荧光黄;荧光素,水溶;黄 7 [CI 45350:1];荧光素99%;二酚酞;2-(6-羟基-3-氧代-3H-吨-9-基)苯甲酸;荧光素, 90+% 

是否危险： 否 

90%（HPLC）

荧光素 性质

熔点：  320 °C(lit.)

沸点：  429.44°C (rough estimate)

密度：  1.2739 (rough estimate)

折射率：  1.5000 (estimate)

储存条件：  −20°C

溶解性：  Solubility Insoluble in water, ether, benzene, chloroform; soluble in ethanol, methanol, acetone, Iethyl acetate, N,N-dimethylformamide

色指数： 45350

形态： Powder

酸度系数：(pKa) 2.2, 4.4, 6.7(at 25℃)

颜色： Red to orange

酸碱指示剂变色PH值：范围 Pink uorescence (4.0) to green uorescence (6.0)

水溶解性：  insoluble

最大波长(λmax)： 493.5nm, 496nm, 460nm, 515nm

Merck：14,4159

BRN：  94324

稳定性： Stable. Combustible. Incompatible with strong oxidizing agents.

生物领域应用： Detecting chromosomal aberration; diagnosing corneal diseases; marking/detecting insects; as antitumor agent; as antihistaminic agent; use in agriculture and plant cultivation; use in cosmetics; use in ophthalmology; as a substrate for measuring α-amylases activity, elastases activity, esterases activity, β-glucuronidases activity, horseradish peroxidases activity, kinases activity, monoamine oxidases (MAOs) activity, phosphatases activity, phospholipases activity, proteases/proteinases activity, telomerases activity activity

主要应用： Organic light-emitting diode, nanoparticles, liquid crystal display, oil products, lip make-up, nucleic acid synthesis, amplification, sequencing and cloning, diagnosis of diabetic retinopathy, detecting yeast, multidrug resistance, proteins, antiHCV antibodies, target genes, enzymatic activity, nerve agent, nucleic acid sequences, imaging lung cancer, prostate cancer

CAS 数据库： 2321-07-5(CAS DataBase Reference)

EPA化学物质信息： Fluorescein (2321-07-5)