Product ID:FORMED MOLECULAR SIEVE
MSDS Date:04/03/1991
FSC:6850
NIIN:01-290-5712
MSDS Number: CBQWK

W R GRACE AND CO

BALTIMORE, MD 21203
US

Emergency Phone: 301-659-9000

Info Phone: 301-659-9000

Cage: MO775

W R GRACE AND CO

2117 CANTON, OH 02021 US

Telephone: 617-935-4850

Cage: MO775

SODIUM MONOXIDE; (SODIUM OXIDE (NA*2O)). MFR CAS

CAS: 12401-86-4

RTECS: WC4800000

OSHA PEL N/K

ACGIH TLV: N/K

CALCIUM OXIDE; (CAO)

CAS: 1305-78-8

RTECS: EW3100000

OSHA PEL 5 MG/M3

ACGIH TLV: 2 MG/M3

POTASSIUM OXIDE; (K*2O)

CAS: 12136-45-7

OSHA PEL N/K

ACGIH TLV: N/K

SILICA GEL; (SILICA (SYNTHETIC)) (SIO*2)

CAS: 112945-52-5

RTECS: VV7310000

OSHA PEL 6 MG/M3

ACGIH TLV: 10 MG/M3

3); (AL*2O*3, ALUMINA) (SARA 313)

CAS: 1344-28-1

RTECS: BD1200000

OSHA PEL 15 MG/M3 TDUST

ACGIH TLV: 10 MG/M3 TDUST

CLAY (KAOLIN); (CLAY)

CAS: 1332-58-7

RTECS: GF1670500

OSHA PEL 15 MG/M3 TDUST

ACGIH TLV: 2 MG/M3 TDUST

SILICA, CRYSTALLINE - FUSED; (QUARTZ)

CAS: 60676-86-0

RTECS: VV7328000

Fraction By Weight: <3%

OSHA PEL SEE TABLE Z-3

ACGIH TLV: 0.1 MG/M3 RDUST

WATER; (H*2O)

CAS: 7732-18-5

RTECS: ZC0110000

OSHA PEL N/K

ACGIH TLV: N/K

OF MOLECULAR SIEVES & RETAINED MATL CAN BE FLAMM &

RTECS: 9999999ZZ

TO AVOID PERSONAL CONTACT. USE APPROVED DISPOSAL

RTECS: 9999999ZZ

LD50 LC50 Mixture:LD50:(ORAL,RAT) >31,600 MG/KG.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:YES OSHA:NO
Health Hazards Acute and Chronic:DRYING ACTION OF THIS MATL CAN CAUSE
IRRIT OF MUC MEMBS OF NOSE & THROAT & IRRIT OF SKIN. WILL RELS HEAT
WHEN ADSORBING WATER. IF LG QTY OF SIEVE QUICKLY ADSORBS
EQUILIBRIUM AMT OF WATER, SIEVES CAN B ECOME HOT ENOUGH TO CAUSE
THERMAL BURNSOF SKIN. AVOID CONT UNDER THESE CNDTNS. MOLECULAR
SIEVES ARE (EFTS OF OVEREXP)
Explanation of Carcinogenicity:SILICA, CRYSTALLINE-FUSED:IARC
MONOGRAPHS, SUPPLEMENT, VOL 7, PG 341, 1987:GROUP 2A.
Effects of Overexposure:HLTH HAZ:NON-FIBROUS, SYNTHETIC
ALUMINOSILICATES (ZEOLITES) NOT TO BE CONFUSED W/NATRL ZEOLITES.
ALL STUDIES TO DATE INDICATE THAT THEY DO NOT CAUSE SIGNIFICANT
HLTH PROBS. WHEN ACTIVATED, MOLECULAR S IEVES ACT AS DESICCANT &
CAN CAUSE DRYING IRRIT OF MUC MEMBS & SKIN IN CASES OF SEV EXPOS.
QUARTZ CAN CAUSE (SUPP DATA)
Medical Cond Aggravated by Exposure:DAVISON KNOWS OF NO MEDICAL
CONDITIONS ABNORMALLY AGGRAVATED BY EXPOSURE TO THIS PRODUCT.

First Aid:INGEST:CALL MD IMMEDIATELY . MATERIAL WILL PASS THROUGH BODY
NORMALLY. EYES:IMMEDIATELY WASH W/LARGE AMOUNTS OF WATER FOR AT
LEAST 15 MINUTES, OCCASIONALLY LIFTING UPPER & LOWER EYE LIDS. IF
IRR ITATION OCCURS & PERSISTS, SEEK MEDICALATTENTION. SKIN:WASH
W/SOAP & WATER. INHAL:REMOVE TO FRESH AIR.

Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE .
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:NON-FLAMMABLE.

Spill Release Procedures:VACUUM OR SWEEP UP OR FLUSH TO SEWER TREATED
FOR SUSPENDED SOLIDS REMOVAL. NOT KNOWN TO HAVE ANY ADVERSE EFFECT
ON THE AQUATIC ENVIRONMENT WHEN PROPERLY DISPOSED. INSOLUBLE &
NONTOXIC.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:KEEP CNTNRS TIGHTLY SEALED TO PROT
PROD QUALITY. AVOID PRLNG BRTHG OF DUST/CONT OF DUST W/SKIN. WHEN
POURING INTO CNTNR OF FLAMM LIQ, GROUND (SUPDAT)
Other Precautions:MALFUNCTION OF EQUIP CAN PROPEL BEADS W/ENOUGH
VELOCITY TO PENETRATE SKIN. MAKE SURE THAT TRANSFER SYS & RECEIVING
VESSELS ARE PROPERLY GROUNDED. FOLLOW STD OPERATING INSTRUCTIONS.
FOLLOWING CONT W/TY PICAL PETROCHEMICALS/GASES, (SUPP DATA)

Respiratory Protection:IF DUSTY CONDITIONS PREVAIL, USE OF A NIOSH
APPROVED DUST MASK IS RECOMMENDED.
Ventilation:NONE SPECIFIED BY MANUFACTURER.
Protective Gloves:CLOSE-WEAVE COTTON GLOVES WITH (SUPDAT)
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS .
Other Protective Equipment:EYE WASH FOUNTAIN & DELUGE SHOWER WHICH MEET
ANSI DESIGN CRITERIA . IF ITS USE REQS MANUAL HNDLG, WEAR (SUPDAT)
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
PH(IN 5% SLURRY):10.3-10.5. EFTS OF OVEREXP: CANCER, SILICOSIS/OTHER
FIBROTIC LUNG DISEASE W/PRLNG EXPOS. HNDLG/STOR PREC:BOTH CNTNRS
ELECTRICALLY TO PVNT STATIC ELEC SPK. PROT GLOVES: TIGHT-FITTING W
RISTLETS. OTHER PROT EQUIP: LONG SLEEVES. OTHER PREC:MOLECULAR
SIEVES MUST BE HNDLD W/SPECIAL PRECS. COMBINATION (ING 9)

HCC:N1
Spec Gravity:2.1
pH:SUPDAT
Solubility in Water:INSOLUBLE
Appearance and Odor:WHITE, GRAY OR TAN BEADS; ODORLESS.

Stability Indicator/Materials to Avoid:YES
REACTS W/HF & STRONG ACIDS OR ALKALI.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NONE SPECIFIED BY MANUFACTURER.

Waste Disposal Methods:LANDFILL I/A/W LOCAL, STATE & FEDERAL
REGULATIONS. COVER TO AVOID BLOWING OF DUST.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.