MATERIAL SAFETY DATA SHEET
1.  CHEMICAL PRODUCT AND COMPANY INFORMATION 
Product Name: Molsiv Adsorbents 4A-50 1/16
Product Use: Adsorbent
UOP LLC 
25 E. Algonquin Road 
Des Plaines, IL 60017-5017
USA 
Tel:  +1-847-391-3189 
Fax: +1-847-391-2953
UOP M.S. S.p.A.
Viale Milanofiori
Strada 1 - Palazzo E1
20090 Assago Mi, Italy
Tel : +39-02-892241
Fax : +39-02-57500145
Emergency Assistance - 24 hour Emergency Telephone Numbers:
USA (UOP LLC) : + 1-847-391-2123
USA (CHEMTREC) : + 1-800-424-9300
Canada (CANUTEC) : + 1-613-996-6666
Outside USA (CHEMTREC) : + 1-703-527-3887
2.   COMPOSITION/INFORMATION ON INGREDIENTS 
INGREDIENT 
 &   CAS No 
 
% WEIGHT 
 
ACGIH TLV-TWA OSHA PEL-TWA UNITS
Silicon oxide (synthetic)
7631-86-9
< 50  10(I) 
 3(R)
15(TD) 
5(R)
mg/m³
Aluminum oxide (non-fibrous)
1344-28-1
< 30  10 15(TD) 
5(R)
mg/m³
Sodium oxide
1313-59-3
< 30  N.E. N.E. N.A.
Magnesium oxide
1309-48-4
< 5  10 as Fu 15 as Fu (Total Particulate) mg/m³
Abbreviations:
N.A. - Not Applicable
N.E. - None Established
SC - Soluble Compounds
RD - Respirable Dust Fu - Fume IS - Insoluble
TD - Total Dust I - Inhalable
FuD - Fume and Dust R - Respirable
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Molsiv Adsorbents 4A-50 1/16 Revision Number: 1
F89464 January 2001
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