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1,1-dioxospiro[2,1λ (Molecular Formula: C19H12O8S)

Product Name: 1,1-dioxospiro[2,1λ
CAS Registry Number: 32638-88-3
EINECS: 251-134-3  
Synonyms: 6-benzoxathiole-3,9'-xanthene]-3',4',5',6'-tetrol;1,1-dioxospiro[2,1λ 32638-88-3; 3172-49-4; 1,1-dioxide; Spiro(3H-2,1-benzoxathiole-3,9'-(9H)xanthene)-3',4',5',6'-tetrol;ST51016145;
Molecular Structure:
Molecular Formula: C19H12O8S
Molecular Weight: 400.35878
Density:  1.082 g/mL at 20 °C
Boiling Point:  309 °C(lit.)
Melting Point:  133-134 °C(lit.)
Flash Point:  368.8 °C
Refractive index:  20/D 1.387
Risk Codes:  20/21/22-52/53-68
Safety Statements:  36/37-61
Hazard Symbols:  Xn: Harmful;

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