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SPECIFICATIONS
Product
:
Benzeneseleninic Anhydride 
CAS NO.
:
[17697-12-0]
Molecular formula
:
[C6H5Se(O)]2O
Molecular weight
:
360.13
Appearance
:
white to off white crystalline powder(highly hygroscopic).
Solubility 
:
1 gm soluble in 10 ml methanol gives faint opalescence. 
Melting range
:
165-170°C
Assay
:
99.0 % min (on dry basis)

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Product : Benzeneseleninic Anhydride  CAS NO. : [17697-12-0] Molecular formula : [C6H5Se(O)]2O Molecular weight : 360.13 Appearance : white to off white crystalline powder(highly hygroscopic). Solubility  : 1 gm soluble in 10 ml methanol gives faint opalescence.  Melting range : 165-170°C Assay : 99.0 % min (on dry basis)