Sodium Hydroxide - Membrane Grade
50% Caustic Soda
Product Specification

Chemical Formula - NaOH

Chemical Properties	Typical Analysis wt %	Spec Minimum wt%	Spec. Maximum wt%
NaOH	50.60	49.5	51.50
Na2O	39.0	38.3	39.9

Chemical Properties	mcg/g(ppm)	wt%	mcg/g(ppm)	wt%
Na2CO3	300	0.03	500	0.05
NaCl	45	0.0045	75	0.0075
Na2SO4	50	0.0050	100	0.0100
NaClO3	4	0.0004	5	0.0005
Iron as Fe	0.6	0.00006	2	0.0002
Silicon, as Si	1.5	0.00015	2.4	0.00024
Aluminum, as Al	<0.1	<0.00001	0.25	0.000025
Calcium, as Ca	0.2	0.00002	0.5	0.00005
Magnesium, as Mg	<0.1	<0.00001	0.1	0.00001
Manganese, as Mn	<0.1	<0.00001	0.2	0.00002
Nickel, as Ni	0.3	0.00003	0.5	0.00005
Copper, Cu	<0.1	<0.00001	0.2	0.00002
Mercury, as Hg	N.D.	N.D.	0.01	0.000001
Arsenic, as As	<0.5	<0.00005	1.5	0.00015
Lead, as Pb	N.D.	N.D.	5	0.0005
Heavy Metals, (Pb)	<1.5	<0.00015	10	0.0010

Note: Above percentages are weight percent on a solution basis
N.D.: Below minumum detection limit (mdl) of analytical methods

Physical Properties

Appearance	Water-white to hazy liquid
Density at 100oF	~ 12.6 lbs./gal (at 38oC: ~ 1510 KG/M3
Freezing Point	~ 55oF (13oC)

Product meets provisions of Food Chemicals Codex, 4th Edition, upon request.
Meets the provisions of the American Water Works Association (AWWA) B501-98 Standard.
Certified by the National Sanitation Foundation (NSF) for the ANSI/NSF-60 Standard at a maximum use doseage of 200 mg/L.

For Chemical Emergency Spill, Leak, Fire, Exposure or Accident,
Call CHEMTREC, Day/Night at 800.424.9300.

Always read and follow the product label and Material Safety Date Sheet (MSDS) that are shipped with each order.

The information presented herein is based on data considered to be accurate and that reflects the requirements of the OSHA Hazard Communication Standards in effect as of the date of preparation of this Product Specification Sheet. However, no warranty or representation, express or implied, is made as to the accuracy or completeness of the foregoing data and safety information. In addition, no responsibility can be assumed by vendor for any damage or injury resulting from abnormal use, from any failure to adhere to recommended practices or from any hazards inherent in the nature of the product.

© 2001. JCI Jones Chemicals, Inc. All Rights Reserved.