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Fluorescein

$ 1.00 /1KG

Min. Order1G
Purity99%
Cas No2321-07-5
Supply Ability100KG
Update time2019-07-06

career henan chemical co

career henan chemical co

6YR

China

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Chemical Properties

Product Name	Fluorescein
CAS No	2321-07-5
EC-No	219-031-8
Min. Order	1G
Purity	99%
Supply Ability	100KG
Release date	2019/07/06

AD68

Fluorescein Basic information

Product Name:	Fluorescein
Synonyms:	11712yellow;2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)-benzoicaci;3,6-dihydroxyspiro(xanthene-9,3’-phthalide);3,6-fluorandiol;3’,4’-dehydroxyfluoran;3’,6’-dihydroxy-fluora;3’,6’-dihydroxyfluoran;3’,6’-dihydroxyspiro(isobenzofuran-1(3h),9’(9h)-xanthen)-3-one
CAS:	2321-07-5
MF:	C20H12O5
MW:	332.31
EINECS:	219-031-8
Product Categories:	E-FFluorescent Probes, Labels, Particles and Stains;Fluorescein and Derivatives;Fluorescent Labels;Stains and Dyes;Stains&Dyes, A to;Aromatics;Fluorescent Labels & Indicators;Heterocycles;Intermediates & Fine Chemicals;Pharmaceuticals;FUNDUSCEIN;Fluorescent;Xanthene
Mol File:	2321-07-5.mol

Fluorescein Chemical Properties

Melting point	320 °C(lit.)
storage temp.	−20°C
solubility	Solubility Insoluble in water, ether, benzene, chloroform; soluble in ethanol, methanol, acetone, Iethyl acetate, N,N-dimethylformamide
pka	2.2, 4.4, 6.7(at 25℃)
Colour Index	45350
form	Powder
color	Red to orange
PH Range	Pink uorescence (4.0) to green uorescence (6.0)
Water Solubility	insoluble
λmax	493.5nm, 496nm, 460nm, 515nm
Merck	14,4159
BRN	94324
Stability:	Stable. Combustible. Incompatible with strong oxidizing agents.
Major Application	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 DataBase Reference	2321-07-5(CAS DataBase Reference)
EPA Substance Registry System	Spiro[isobenzofuran- 1(3H),9'-[9H]xanthen]- 3-one, 3',6'-dihydroxy- (2321-07-5)

Safety Information

Hazard Codes	Xi
Risk Statements	43-36-36/37/38
Safety Statements	22-24/25-37/39-26-36/37/39-27
WGK Germany	3
RTECS	LM5075000
F	10-21
TSCA	Yes
Hazardous Substances Data	2321-07-5(Hazardous Substances Data)

Fluorescein Usage And Synthesis

Chemical Properties	orange-red crystalline powder
Uses	A fluorescent tracer used for many applications. It is used in ophthalmology as a tool in the diagnosis of corneal abrasions, corneal ulcers and herpetic corneal infections. It can attach to certain biologically active molecules, thus allowing biologists to target the fluorophore to specific proteins or structures within cells
Uses	corneal trama indicator
Definition	ChEBI: A xanthene dye that is highly fluorescent, detectable even when present in minute quantities. Used forensically to detect traces of blood, in analytical chemistry as an indicator in silver nitrate titrations and in microscopy.
General Description	Yellow amorphous solid or orange-red crystals. Latter have greenish-yellow fluorescence by reflected light. Insoluble in water. Soluble in dilute aqueous bases. Very dilute alkaline solutions exhibit intense, greenish-yellow fluorescence by reflected light. Low toxicity. May be sensitive to prolonged exposure to light.
Air & Water Reactions	Insoluble in water.
Reactivity Profile	Fluorescein is incompatible with strong oxidizers. Also incompatible with acids, acid salts and salts of heavy metals. .
Fire Hazard	Flash point data for Fluorescein is not available, but Fluorescein is probably combustible.

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