Sodium Hydroxide - Diaphragm Grade
50% Caustic Soda
Product Specification

Chemical Formula - NaOH

Chemical Properties	Typical Analysis wt %	Spec Minimum wt%	Spec. Maximum wt%
NaOH	50.70	49.0	52.0
Na2O	39.30	38.0	40.4

Chemical Properties	mcg/g(ppm)	wt%	mcg/g(ppm)	wt%
Na2CO3	700	0.07	2000	0.2
NaCl	100	0.010	11000	1.1
Na2SO4	50	0.0050	200	0.020
NaClO3	4	0.0004	3000	0.3
Iron as Fe	2	0.0002	7	0.0007
Silicon, as Si	3	0.0003	195	0.0195
Aluminum, as Al	<0.1	<0.00001	20	0.0020
Calcium, as Ca	0.2	0.00002	45	0.0045
Magnesium, as Mg	<0.1	<0.00001	12	0.0012
Manganese, as Mn	<0.1	<0.00001	1	0.0001
Nickel, as Ni	1	0.0001	0.5	0.0002
Copper, Cu	<0.1	<0.00001	2	0.0002
Mercury, as Hg	N.D.	N.D.	2	0.000001
Arsenic, as As	<0.5	<0.00005	0.01	0.00015
Lead, as Pb	N.D.	N.D.	1.5	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.