S P E C I F I C A T I O N S

UREA CRYSTALS ACS

Synonyms:					Carbamide resin; Carbamimidic acid; 
Carbonyl diamide;			Carbonyldiamine; Isouren

CAS No:					57-13-6

Formula:					NH2CONH2

F.W.:						60.06

Description:					Fine white odorless crystals

Identification A&B				To pass test

Assay						99.0 - 100.5 %

Melting Point				132 - 135 deg. C

Alcohol Insoluble Substances		0.01% maximum

Residue after ignition			0.01 % maximum

Chloride (Cl)				5 ppm maximum

Sulfate (SO4)					0.001 % maximum

Heavy Metals (as Pb)			0.001 % maximum

Iron (Fe)					0.001 % maximum

Effective: 12/16/08