CAS:223132-37-4 china   msds 

TEST ITEMS	SPECIFICATION	RESULTS
Appearance	white to off-White crystalline powder	White crystalline powder
Identification	Meet the Requirments IR spectrum	IR spectrum
Related substances	Single Impurity 0.5%max	0.22%
	Total Impurity  1.0%max	0.58%
Loss on Drying	0.5%max	0.15%
Residue on ignition	0.10%max	0.02%
Heavy Metals	20PPM max	8ppm
Residual Solvents	5ppm max	1.8ppm
Assay (anhydrous basis):	98% min	98.78%