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1,1-dioxo-2,1λ (Molecular Formula: C7H4O4S)

Product Name: 1,1-dioxo-2,1λ
CAS Registry Number: 81-08-3
EINECS: 201-322-6  
Synonyms: 81-08-3;6-benzoxathiol-3-one; o-Sulfobenzoic acid anhydride; 2-Sulfobenzoic acid cyclic anhydride;2-Sulfobenzoic anhydride; NSC11208;1,1-dioxo-2,1λ Sulfobenzoic anhydride;
Molecular Structure:
Molecular Formula: C7H4O4S
Molecular Weight: 184.16926
Density:  1.635 g/cm3
Boiling Point:  184-186 ºC (18 MMHG)
Melting Point:  116-127 ºC
Flash Point:  184-186 ºC (18 mmHg),314.7 °C at 760 mmHg
Refractive index:  1.637
Risk Codes:  S26;S36/37/39;S45
Safety Statements:  R20/21/22;R34
Hazard Symbols:  C: Corrosive;

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