|Appearance (Color)||Conforms to Requirements|
|Colorless to Orange to Brown|
|Infrared spectrum||Conforms to Structure|
|Purity (Titration by HClO4)||97.5 - 102.5 %|
|Optical Rotation||13.0 - 23.0 deg|
|c = 1%; Ethanol|
|Purity (GC)||≥97.5 %|
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