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5-Aminofluorescein

5-Aminofluorescein / CAS : 3326-34-9

Appearance Dark brown solid UN 0
HS 29329990 DG Class 0
Synonyms 5-Amino-3',6'-Dihydroxyspiro[Isobenzofuran-1(3H),9'-(9H)Xanthen]-3-One; Fluoresceinamine; 5-Amino-3',6'-Dihydroxy-3H-Spiro[Isobenzofuran-1,9'-Xanthen]-3-One; Fluoresceinamine Isomer I; Fluoresceinamine, Isomer 1; 5-Amino-2-(3-Hydroxy-6-Oxoxanthen-9-Yl)Benzoic Acid; 5-Aminofluorescein Isomer I; Fluorescein Amine Isomer 1; 6-Amino-3',6'-Dihydroxyspiro[2-Benzofuran-3,9'-Xanthene]-1-one; Aminofluorescein
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Properties

Summary

Formula
C20H13NO5
Molecular Mass
347.32100
Exact Mass
347.07900
PSA
102.01000
Logp
3.82920
IUPAC
6-amino-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
SMILES
C1=CC2=C(C=C1N)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

Attribute classification

Matter Classification
organic
Category
Auxiliary > Other Auxiliary Agent
Dyestuffs and Pigments > Other Dyes

Chemical and Physical Properties

Melting Point
223 °C (dec.)
Density
1.3724 (rough estimate)
Boiling Point
481.89°C (rough estimate)
Appearance
Dark brown solid
Acidity and Basicity
acidness

Export information

HS Code
29329990
Export Rebate
13%
UN No.
0
DG-Class
0
Risk Code
22-36/37/38
Safety Label
Xn

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