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Key Documents

FX0325

Sigma-Aldrich

Fluorescein, Sodium Salt

For the staining of cells, cell components, chromosomes, and bacteria

Synonym(s):

Fluorescein, Sodium Salt, Acid Yellow 73

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About This Item

Empirical Formula (Hill Notation):
C20H10Na2O5
CAS Number:
518-47-8
Molecular Weight:
376.27
MDL number:
MFCD00167039
UNSPSC Code:
12171501
EC Index Number:
208-253-0

Quality Level

200

form

powder

color

orange-red

pH

8.3 (20 °C, 10 g/L in H2O)

mp

>300 °C

solubility

500 g/L

density

1.601 g/cm3 at 20 °C

application(s)

diagnostic assay manufacturing
hematology
histology

shipped in

ambient

storage temp.

10-30°C

SMILES string

[Na+].[Na+].[O-]c1cc2c(cc1)C(=C4C(=CC(=O)C=C4)O2)c3c(cccc3)C(=O)[O-]

InChI

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

InChI key

NJDNXYGOVLYJHP-UHFFFAOYSA-L

General description

Fluorescein, Sodium Salt
FX0325-5 125g Poly Bottle

Application

For Professional Use.
For the staining of cells, cell components, chromosomes, and bacteria

Analysis Note

Assay40% minColorOrange-redFormPowderInfrared SpectrumConforms to standard

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

423.7 °F - Pensky-Martens closed cup

flash_point_c

217.6 °C - Pensky-Martens closed cup

Certificates of Analysis (COA)

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Fa Wang et al.
Clinical and translational gastroenterology, 11(1), e00089-e00089 (2020-01-11)
Conventional colonoscopy with white light illumination detects colonic adenomas based on structural changes alone and is limited by a high miss rate. We aim to demonstrate an integrated imaging strategy that combines wide-field endoscopy and confocal endomicroscopy in real time

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