Home > Compound List > Product Information
6-Carboxyfluorescein_Molecular_structure_CAS_3301-79-9)
Click picture or here to close

6-Carboxyfluorescein

Catalog No. 54115 Name Sigma Aldrich
CAS Number 3301-79-9 Website http://www.sigmaaldrich.com
M. F. C21H12O7 Telephone 1-800-521-8956
M. W. 376.31578 Fax
Purity ≥95% (HPLC) Email
Storage Chembase ID: 126421

SYNONYMS

IUPAC name
3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-6-carboxylic acid
IUPAC Traditional name
carboxyfluorescein
Synonyms
FLUOS
6-FAM

DATABASE IDS

MDL Number MFCD00036873
Beilstein Number 54341
CAS Number 3301-79-9

PROPERTIES

Empirical Formula (Hill Notation) C21H12O7
Grade for fluorescence
Purity ≥95% (HPLC)
Absorption Wavelength λmax 492 nm, 0.1 N in NaOH
Fluorescence λex 492 nm; λem 517 nm in 0.1 M Tris pH 8.0
Melting Point >300 °C(lit.)
Solubility DMSO: soluble
Solubility H2O: soluble (pH ≥ 5)
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37/38
Safety Statements 26-36/37
German water hazard class 3

DETAILS

Description (English)
Application
Fluorescent dye.
Description (简体中文)
Application
Fluorescent dye.

REFERENCES