Products Name	Chemical Description	Appearance
SUPTEX E-NA2	EDTA-2Na, MW=372.2, crystals PH 4.3-4.7 (1 wt% solution).	Powder
SUPTEX E-4H	EDTA ACID, MW=292.24, PH=2.5-3.0 (saturated solution).	Powder
SUPTEX E-NA4	EDTA-4Na, MW=380.2, PH=10.5-12.5 (1 wt% solution).	Powder