Basic information

• Name:

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-dihydroxy-5-isothiocyanato-

• Superlist Name:
• Fluorescein isothiocyanate isomer I
• CAS No.:

• 3326-32-7

• Molecular Structure:
• 
• Formula:
• C₂₁H₁₁NO₅S
• Molecular Weight:
• 389.38
• Deleted CAS:
• 1173-43-9|86151-70-4|55177-69-0|122655-66-7|113394-21-1
• Synonyms:
• Fluorescein,5-isothiocyanato- (8CI);5-Isothiocyanatofluorescein;FITC isomer I;Fluorescein 5-isothiocyanate;Fluoroscein-5-isothiocyanate;5-FITC, luorescein-5-isothiocyanate;
• EINECS:
• 222-042-0
• Melting Point:
• >360 °C(lit.)
• Solubility:
• practically insoluble in water
• Appearance:
• Orange-yellow cryst.
• Hazard Symbols:
• Xn, Xi
• Risk Codes:
• 42/43-36/37/38-22
• Safety Description:
• 22-45-36/37/39-26-36/37-36 Details