Properties
|
white or light brown crystal. m.p. 186~187℃ b.p. 110℃, slightly soluble in water and ethanol, insoluble in benzene and chloroform, will turn brown in alkaline solution.
Item
|
Best quality
|
Qualifier
|
Appearance
|
white to similar white crystal
|
M.P.
|
186.0-190.0℃
|
186.0-190.0℃
|
Assay
|
≥ 98.0%
|
≥ 96.0%
|
Magnesium
|
≤ 0.025%
|
≤ 0.03%
|
Moisture
|
≤ 0.5%
|
≤1.0%
|
|