DL-panthenol

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Items	Standards (USP36)	Result
Appearance	Well dispersed white powder	conforms
Identification	1. Infrared absorption 2. Cupric sulfate TS 3. Ferric chloride TS	conforms
Assay	99.0 ~102.0%	99.8%
Residue on ignition	≤0.1%	0.02%
Aminopropanol	≤0.1%	0.02%
Melting point	64.5 ~ 68.5℃	65.3 ~ 67.3°C
Optical Rotation	-0.05 ~ +0.05	Conforms
Loss on Drying	≤0.5%	0.2%
Heavy metal	≤10 ppm	Conforms
Residue solvent (class 3)	≤0.5%	Conforms

Items	Standards (USP36)	Result
Appearance	Well dispersed white powder	conforms
Identification	1. Infrared absorption 2. Cupric sulfate TS 3. Ferric chloride TS	conforms
Assay	99.0 ~102.0%	99.8%
Residue on ignition	≤0.1%	0.02%
Aminopropanol	≤0.1%	0.02%
Melting point	64.5 ~ 68.5℃	65.3 ~ 67.3°C
Optical Rotation	-0.05 ~ +0.05	Conforms
Loss on Drying	≤0.5%	0.2%
Heavy metal	≤10 ppm	Conforms
Residue solvent (class 3)	≤0.5%	Conforms

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