Product ID:FORMED MOLECULAR SIEVE
MSDS Date:04/10/1989
FSC:6850
NIIN:01-233-2425
MSDS Number: BMSRY

W R GRACE & CO. DAVISON CHEMICAL DIVISION

10 E BALTIMORE STREET
BALTIMORE, MD 21202-1630
US

Emergency Phone: 301-659-9058(O)/301-874-2009(H)

Info Phone: 301-659-9000

Preparer: J. H. CONVEY, MGR ENVIR.

Cage: 16210

W R GRACE & CO. DAVISON CHEMICAL DIVISION

2117 BALTIMORE, MD 21202-1630 US

Telephone: 410-659-9000

Cage: 16210

SODIUM ALUMINOSILICATE

CAS: 1344-00-9

OSHA PEL 15 MG/M3 (TDUST)

ACGIH TLV: 10 MG/M3 (TDUST)

CALCIUM SODIUM ALUMINOSILICATE

CAS: 1344-01-0

OSHA PEL 15 MG/M3 (TDUST)

ACGIH TLV: 10 MG/M3 (TDUST)

POTASSIUM SODIUM ALUMINOSILICATE

CAS: 12736-96-8

OSHA PEL 15 MG/M3 (TDUST)

ACGIH TLV: 10 MG/M3 (TDUST)

KAOLIN

CAS: 1332-58-7

RTECS: GF1670500

OSHA PEL 15 MG/M3 TDUST

ACGIH TLV: 2 MG/M3 TDUST; 9293

LD50 LC50 Mixture:ORAL LD50 (RAT) IS EST. >31,600 MG/KG
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:ACUTE: EYE, SKIN & RESPIRATORY TRACT
IRRITATION. CHRONIC: THE DRYING ACTION OF THIS MATERIAL CAN CAUSE
IRRITATION OF THE MUCOUS MEMBRANES OF THE NOSE AND THROAT AND
IRRITATION OF THE SKIN. QUARTZ CAN CAUSE CANCER, SILICOSIS, OR
OTHER FIBROTIC LUNG DISEASES WITH PROLONGED EXPOSURE.
Explanation of Carcinogenicity:THIS PRODUCT AND ITS COMPONENTS ARE NOT
LISTED ON THE IARC, NTP OR OSHA CARCINOGENS LISTS.
Effects of Overexposure:MAY CAUSE EYE, SKIN AND RESPIRATORY TRACT
IRRITATION.
Medical Cond Aggravated by Exposure:MANUFACTURER KNOWS OF NO MEDICAL
CONDITIONS ABNORMALLY AGGRAVATED BY EXPOSURE TO SILICA GEL.

First Aid:EYES: IMMEDIATELY WASH FROM EYES WITH LARGE AMOUNTS OF WATER,
OCCASIONALLY LIFTING THE UPPER AND LOWER EYE LIDS. IF IRRITATION
OCCURS AND PERSISTS, SEEK MEDICAL ATTENTION. SKIN: WASH WITH SOAP
AND WAT ER. INGESTION: MATERIAL WILL PASS THROUGH THE BODY
NORMALLY. INHALATION: REMOVE TO FRESH AIR.

Extinguishing Media:NON-FLAMMABLE. USE EXTINGUISHING MEDIA APPROPIATE
FOR SURROUNDING FIRE.
Fire Fighting Procedures:WEAR FIRE FIGHTING PROTECTIVE EQUIPMENT AND A
FULL FACED SELF CONTAINED BREATHING APPARATUS. COOL FIRE EXPOSED
CONTAINERS WITH WATER SPRAY.
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

Spill Release Procedures:SWEEP OR VACUUM UP OR FLUSH TO SEWER.
Neutralizing Agent:NONE REQUIRED

Handling and Storage Precautions:AVOID PROLONGED BREATHING OF THE DUST
OR CONTACT OF DUST WITH THE SKIN. WHEN HANDLING, WEAR LONG SLEEVES
AND CLOSE-WEAVE COTTON GLOVES WITH WRISTLETS.
Other Precautions:WEAR GOGGLES IF DUST CAUSES EYE DISCOMFORT. WEAR A
PROPERLY FITTED NIOSH-APPROVED DUST RESPIRATOR FOR DUSTY
CONDITIONS.

Respiratory Protection:WEAR A PROPERLY FITTED NIOSH/MSHA APPROVED DUST
RESPIRATOR IF CONDITIONS ARE DUSTY.
Ventilation:MECHANICAL(GENERAL) VENTILATION IS USUALLY ADEQUATE TO
MAINTAIN DUST LEVELS BELOW TLV FOR NUISANCE DUST.
Protective Gloves:CLOSE-WEAVE COTTON WITH TIGHT WRISTLETS
Eye Protection:GOGGLES FOR DUSTY CONDITIONS
Other Protective Equipment:LONG SLEEVED WORK CLOTHING.
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
MOLECULAR SIEVES ARE NON-FIBROUS, SYNTHETIC ALUMINOSILICATES (ZEOLITES)
NOT TO BE CONFUSED WITH NATURAL ZEOLITES. STUDIES INDICATE LOW
POTENTIAL FOR ADVERSE HEALTH EFFECTS. IN THE ACTIVATED FORM, MOLE
CULAR SIEVES ACT AS A DESICCANT AND CANCAUSE A DRYING IRRITATION OF
THE MUCOUS MEMBRANES AND SKIN.

HCC:T6
Spec Gravity:2.1
pH:10.4
Solubility in Water:INSOLUBLE
Appearance and Odor:WHITE, GRAY, OR TAN BEADS. ODORLESS.

Stability Indicator/Materials to Avoid:YES
REACTS WITH HYDROGEN FLUORIDE, STRONG ACIDS OR ALKALI.
Stability Condition to Avoid:HUMIDITY.
Hazardous Decomposition Products:NONE

Waste Disposal Methods:DISPOSE IN AN APPROVED LANDFILL ACCORDING TO
LOCAL, STATE AND FEDERAL REGULATIONS. COVER PROMPTLY TO AVOID
BLOWING 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.