Sodium Hydroxide - Rayon Grade
50% Caustic Soda
Product Specification

Chemical Formula - NaOH

Chemical Properties

Typical Analysis wt %

Spec Minimum wt%

Spec. Maximum wt%
NaOH
 50.8 50.0 51.5
Na2O
 39.4 38.7 39.9

Chemical Properties

mcg/g(ppm)

wt%

mcg/g(ppm)

wt%
Na2CO3
 200 0.02 600 0.06
NaCl
 3 0.0003 30 0.0030
Na2SO4
 5 0.0005 20 0.0020
NaClO3
 1 0.0001 1 0.0001
Fe
 0.3 0.00003 2 0.0002
Silicon, as Si
 2 0.0002 10 0.0010
Aluminum, as Al
 1 0.0001 3 0.0003
Calcium, as Ca
 16 0.0016 25 0.0025
Magnesium, as Mg
 <0.5 <0.00005 * 1.2 0.00012
Mn
 <0.2 <0.00002 0.4 0.00004
Ni
 <0.3 <0.00003 0.3 0.00003
Cu
 <0.1 <0.00001 0.5 0.00005
Hg
 0.10 0.00001 0.5 0.00005
As
 <0.5 0.00005 1.5 0.00015
Pb
 <0.5 0.00005 5 0.0005
Heavy Metals, (Pb)
 <5 <0.0005 ** 10 0.0010
Note: Above percentages are weight percent on a solution basis

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 100 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.