Product Name

  • Name

    Fluorescein isothiocyanate isomer I

  • EINECS 222-042-0
  • CAS No. 3326-32-7
  • Article Data7
  • CAS DataBase
  • Density 1.54g/cm3
  • Solubility practically insoluble in water
  • Melting Point >360 °C(lit.)
  • Formula C21H11NO5S
  • Boiling Point 708.6oC at 760 mmHg
  • Molecular Weight 389.388
  • Flash Point 382.4oC
  • Transport Information
  • Appearance Orange-yellow cryst.
  • Safety 22-45-36/37/39-26-36/37-36
  • Risk Codes 42/43-36/37/38-22
  • Molecular Structure Molecular Structure of 3326-32-7 (Fluorescein isothiocyanate isomer I)
  • Hazard Symbols HarmfulXn, IrritantXi
  • Synonyms Fluorescein,5-isothiocyanato- (8CI);5-Isothiocyanatofluorescein;FITC isomer I;Fluorescein 5-isothiocyanate;Fluoroscein-5-isothiocyanate;5-FITC, luorescein-5-isothiocyanate;
  • PSA 120.44000
  • LogP 4.40010

FLUORESCEIN ISOTHIOCYANATE ISOMER I Chemical Properties

Fluorescein isothiocyanate isomer I
Synonyms  5-Isothiocyanato fluorescein; 5-FITC; 3',6'-Dihydroxy-5-isothiocyanato-spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one
Molecular Formula  C21H11NO5S
Molecular Weight  389.38
CAS Registry Number  3326-32-7
EINECS  222-042-0

FLUORESCEIN ISOTHIOCYANATE ISOMER I Safety Profile

Fluorescein isothiocyanate isomer I
Hazard Symbols     Xn  
Risk Codes  R22;R36/37/38;R42/43    
Safety Description  S22;S26;S36/37/39;S45   

FLUORESCEIN ISOTHIOCYANATE ISOMER I Specification

Melting point  360 oC
WATER solubility  practically insoluble
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