Product ID:MOLECULAR SIEVE TYPE 4A-50
MSDS Date:11/01/1993
FSC:6850
NIIN:01-163-2954
MSDS Number: BHXZW

UOP INC

25 E ALGONQUIN RD
DES PLAINES, IL 60017-5017
US

Emergency Phone: 708-391-2123/800-424-9300(CHEMTREC)

Info Phone: 708-391-2123

Cage: 02QC3

UOP RESEARCH CENTER

DES PLAINES, IL 60017-5016 US

Telephone: 708-391-2123

Cage: 0FHB1

SODIUM OXIDE

CAS: 1313-59-3

Fraction By Weight: <20%

ALPHA-ALUMINA (ALUMINUM OXIDE) (SARA 313)

CAS: 1344-28-1

RTECS: BD1200000

Fraction By Weight: <40%

OSHA PEL 15 MG/M3 TDUST

ACGIH TLV: 10 MG/M3 TDUST; 9596

SILICON OXIDE

CAS: 7631-85-8

Fraction By Weight: <60%

SILICA, CRYSTALLINE - QUARTZ

CAS: 14808-60-7

RTECS: VV7330000

Fraction By Weight: <1%

OSHA PEL SEE TABLE Z-3

ACGIH TLV: 0.1 MG/M3 RDUST;9596

Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS: EYES, SKIN, RESPIRATORY
AND GASTROINTESTINAL TRACTS. ACUTE - EYE CONTACT - MAY CAUSE
DISCOMFORT AND/OR IRRITATION SEEN AS EXCESS REDNESS OF THE EYE.
SKIN CONTACT - MAY CAUSE IRRITATION SEEN AS LOCAL REDNESS, AND/OR
BURNS. INHALATION - MAY CAUSE IRRITATION OF THE NOSE AND THROAT,
ACCOMPANIED BY CHEST DISCOMFORT. SWALLOWING - THE PRODUCT GETS HOT
AS IT ADSORBS WATER, BURNS TO MOIST B ODY TISSUES CAN RESULT IF
CONTACT IS PROLONGED. NO OTHER EVIDENCE OF ADVERSE EFFECTS FROM
AVAILABLE INFORMATION. CHRONIC - PROLONGED INHALATION MAY CAUSE
LUNG DAMAGE.
Explanation of Carcinogenicity:NTP LISTS THREE TYPES OF CRYSTALLINE
SILICA AS REASONABLE ANTICIPATED CARCINOGEN, ONE OF WHICH IS IN
THIS PRODUCT.
Effects of Overexposure:IRRITATION, COUGH, REDNESS, BURNS, PAIN
Medical Cond Aggravated by Exposure:BREATHING OF DUST MAY AGGRAVATE
ASTHMA AND INFLAMMATORY OR FIBROTIC PULMONARY DISEASE.

First Aid:EYES: IMMEDIATELY FLUSH EYES WITH LARGE AMOUNTS OF WATER FOR
AT LEAST 15 MINUTES, OCCASIONALLY LIFTING THE UPPER & LOWER EYE
LIDS. IF IRRITATION OCCURS AND PERSISTS, SEEK MEDICAL ATTENTION.
SKIN: WASH WITH SOAP AND WATER. INGESTION: IF INGESTED IN LARGE
QUANTITIES, THEN DRINK 2 GLASSES OF WATER. CONTACT PHYSICIAN FOR
PERMISSION TO INDUCE VOMITING, IF THE PATIENT IS CONSCIOUS.
INHALATION: REMOVE PE RSON TO FRESH AIR.

Flash Point:DOES NOT BURN
Autoignition Temp:Autoignition Temp Text:NONE
Extinguishing Media:UNUSED MATERIAL WILL NOT BURN. USE MEDIA
APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:DEPENDS ON THE USE OF THE MATERIAL. USED
MATERIAL MAY CONTAIN PRODUCTS OF A HAZARDOUS NATURE. INFORM FIRE
FIGHTERS OR THE HAZARDS OF THE RETAINED MATERIAL.
Unusual Fire/Explosion Hazard:IN THEIR FRESH UNUSED STATE, MOLECULAR
SIEVES ARE NOT FLAMMABLE. WHEN EXPOSED TO WATER, HOWEVER, THEY CAN
GET QUITE HOT. FLOOD TO REDUCE TO SAFE TEMPERATURE.

Spill Release Procedures:SWEEP OR VACUUM UP SPILL AREA. COLLECT AND
PLACE THE SPILLED MATERIAL IN A WASTE DISPOSAL CONTAINER. AVOID
RAISING DUST.

Handling and Storage Precautions:STORE IN A COOL, DRY, VENTILATED AREA
AWAY FROM MOISTURE, AND INCOMPATIBLES.
Other Precautions:AVOID PROLONGED BREATHING OF THE DUST OR CONTACT OF
DUST WITH THE SKIN. OPEN CONTAINER SLOWLY. USE WITH ADEQUATE
VENTILATION. DO NOT MIX WITH LIQUID.

Respiratory Protection:A PROPERLY FITTED NIOSH/MSHA APPROVED RESPIRATOR
FOR PROTECTION AGAINST DUST, MIST OR VAPOR IS RECOMMENDED FOR
OPERATIONS WHEN THE PERMISSIBLE EXPOSURE LIMIT MIGHT BE EXCEEDED.
Ventilation:LOCAL EXHAUST VENTILATION IS RECOMMENDED FOR OPERATIONS
WHERE THE PERMISSIBLE EXPOSURE LIMIT MIGHT BE EXCEEDED.
Protective Gloves:RUBBER FOR PROLONGED CONTACT
Eye Protection:SAFETY GLASSES/GOGGLES OSHA29CFR1910.133
Other Protective Equipment:SELECT IN ACCORDANCE WITH OSHA 1910.132 AND
1910.133. LONG SLEEVED WORK CLOTHING RECOMMENDED.
Work Hygienic Practices:WASH THOROUGHLY AFTER USE AND BEFORE EATING,
DRINKING OR SMOKING. VACUUM UP ANY DUST. LAUNDER CLOTHING BEFORE
REUSE.
Supplemental Safety and Health
FORMERLY UNION CARBIDE MOLECULAR SIEVE.

HCC:N1
Spec Gravity:2.1(CRYSTAL)
Appearance and Odor:TAN PELLETS; ODORLESS

Stability Indicator/Materials to Avoid:YES
SUDDEN CONTACT WITH HIGH CONCENTRATIONS OF CHEMICALS HAVING HIGH HEATS
OF ADSORPTION SUCH AS OLEFINS, HCL, ETC.
Stability Condition to Avoid:THE ADDITION OF MOISTURE WITHOUT FLOODING
CAN CAUSE A RISE IN TEMPERATURE FROM HEAT OF ADSORPTION WHICH COULD
BURN SKIN.
Hazardous Decomposition Products:DECOMPOSITION PRODUCTS FROM
HYDROCARBONS & OTHER MATERIALS THAT ARE RETAINED ON THE MOLECULAR
SIEVE DURING NORMAL USE.

Waste Disposal Methods:DISCARD ANY PRODUCT (INCLUDING ANY RETAINED
MATERIALS OF USE), DISPOSABLE CONTAINER OR LINER IN AN
ENVIRONMENTALLY ACCEPTABLE MANNER, IN FULL COMPLIANCE WITH LOCAL,
STATE AND FEDERAL REGULATIONS.

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.

Toxicological Information:LOW ORDER OF TOXICITY

Ecological:NONE KNOWN