5-Isothiocyanatofluorescein

About This Item

Molecular Formula	C₂₁H₁₁NO₅S
CAS Number	3326-32-7

FC-0203654

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Properties

Chemical Identifiers

IUPAC Name	3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one
SMILES	C1=CC2=C(C=C1N=C=S)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
InChI Key	MHMNJMPURVTYEJ-UHFFFAOYSA-N
InChI	InChI=1S/C21H11NO5S/c23-12-2-5-16-18(8-12)26-19-9-13(24)3-6-17(19)21(16)15-4-1-11(22-10-28)7-14(15)20(25)27-21/h1-9,23-24H

Physical Properties

Boiling Point	708.6±60.0 °C at 760 mmHg
Melting Point	>360 °C(lit.)
Flash Point	382.4±32.9 °C
Density	1.5±0.1 g/cm3

Safety Information

Hazard Class

Danger

Flash Point

382.4±32.9 °C

Please refer to the Safety Data Sheet (SDS) for complete handling, storage, and disposal instructions. Follow all applicable regulations when working with this chemical reagent.