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3',6'-dihydroxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid (Molecular Formula: C21H12O7)
Product Name: 3',6'-dihydroxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid
CAS Registry Number: 3301-79-9
EINECS: 276-331-1  
Synonyms: 3',6'-dihydroxy-3-oxo-; carboxyfluorescein;3301-79-9; CHEBI:39073; 6-FAM;3',6'-dihydroxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid; Spiro(isobenzofuran-1(3H),9'-(9H)xanthene)-6-carboxylic acid;
Molecular Structure:
Molecular Formula: C21H12O7
Molecular Weight: 376.31578
Density:  1.73 g/cm3
Boiling Point:  736.4 °C at 760 mmHg
Melting Point:  >300 °C(lit.)
Flash Point:  271 °C
Refractive index:  1.816
Risk Codes:  36/37/38
Safety Statements:  26-36/37
Hazard Symbols:  Xi: Irritant;
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