Product ID:PACKAGED MOLECULAR SIEVE BAGS, PACKETS (SUPDAT)
MSDS Date:06/15/1995
FSC:6850
NIIN:00N086250
MSDS Number: CHJJF

W R GRACE & CO CONN

BALTIMORE, MD 21203
US

Emergency Phone: 410-659-9000

Info Phone: 410-659-9000

Cage: JO430

W R GRACE & CO. DAVISON CHEMICAL DIVISION

2117 BALTIMORE, MD 21202-1630 US

Telephone: 410-659-9000

Cage: 16210

SODIUM OXIDE

CAS: 1313-59-3

OSHA PEL N/K

ACGIH TLV: N/K

CALCIUM OXIDE

CAS: 1305-78-8

RTECS: EW3100000

OSHA PEL 5 MG/M3

ACGIH TLV: 2 MG/M3

SILICA (SYNTHETIC)

CAS: 12136-45-7

OSHA PEL 20 MPPCF; Z-3

ACGIH TLV: 10 MG/M3 TDUST

SILICA, FUMED.

CAS: 7631-86-9

OSHA PEL N/K

ACGIH TLV: N/K

ALUMINUM OXIDE (SARA 313)

CAS: 1344-28-1

RTECS: BD1200000

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

SILICA, CRYSTALLINE - QUARTZ

CAS: 14808-60-7

RTECS: VV7330000

OSHA PEL SEE TABLE Z-3

ACGIH TLV: 0.1 MG/M3 RDUST

WATER

CAS: 7732-18-5

RTECS: ZC0110000

OSHA PEL N/K

ACGIH TLV: N/K

LD50 LC50 Mixture:LD50: (ORAL,RAT) >31,600 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:ACUTE: AVOID PROLONGED BREATHING OF
DUST OR CONTACT OF DUST WITH SKIN. THE DRYING ACTION OF THIS
MATERIAL CAN CAUSE IRRITATION OF MEMBRANES OF NOSE AND THROAT &
IRRITATION OF SKIN. IF ITS USE REQUIRES MANUAL HANDLING, WEAR LONG
SLEEVES AND CLOSE-WEAVE COTTON W/TIGHT FITTING WRISTLETS. IF DUSTY
CONDITIONS PREVAIL, USE AN APPROVED NIOSH DUST MASK IS RECOMMENDED.
HUMAN TOXICITY: MOLECULAR SIEVES ARE NON-FIBROUS, SYNTHETIC
ALUMINOSILICATES (ZEOLITES) NOT BE CONFUSED WITH NATURAL ZEOLITES.
ALL STUDIES INDICATE THEY DO NOT CAUSE SIGNIFICANT HEALTH PROBLEMS.
WHEN ACTIVATED, MOLECULAR SIEVES ACT AS DE SICANT & CAN CAUSE (EFTS
OF OVEREXP)
Explanation of Carcinogenicity:SILICA, CRYSTALLINE-QUARTZ: IARC MONO,
VOL 68, 1997: GROUP 1. NTP 7TH ANNUAL RPT ON CARCIN, 1994: ANTIC TO
BE CARCIN.
Effects of Overexposure:HEALTH HAZARDS: DRYING IRRITATION OF MUCOUS
MEMBRANES & SKIN IN CASES OF SEVERE EXPOSURE. AVERAGE CONCENTRATION
OF QUARTZ IN THIS MATERIAL IS <2% (MAX=3%). QUARTZ HAS BEEN
CLASSIFIED BY IARC AS CLASS 2A CARCINOGEN. QUARTZ CAN CAUSE
CANCER, SILICOSIS OR OTHER FIBROTIC LUNG DAMAGE WITH PROLONGED
EXPOSURE.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:INGEST: MATERIAL WILL PASS THROUGH BODY NORMALLY. CALL MD
IMMEDIATELY . EYES: IMMEDATELY WASH WITH LARGE AMTS OF WATER,
OCCASNLY LIFTING UPPER & LOWER EYE LIDS FOR @ LST 15 MINS. IF IRRIT
OCCURS & PERSISTS, SEEK MED ATTN. 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. CNTNRS: DRUMS, PAIL AND CARTONS.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:KEEP CONTAINERS TIGHTLY SEALED TO
PROTECT PRODUCT QUALITY.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

Respiratory Protection:IF DUSTY CONDITIONS PREVAIL, USE OF AN APPROVED
NIOSH DUST MASK IS RECOMMENDED.
Ventilation:NONE SPECIFIED BY MANUFACTURER.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPROVED EYE WASH & DELUGE SHOWER . IF
ITS USE REQUIRES MANUAL HANDLING, WEAR LONG SLEEVES & CLOSE-WEAVE
COTTON WITH TIGHT-FITTING WRISTLETS.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
MFR TRADE NAME/PART NO: & CLOSURES. PH IN 5% SLURRY: 10.3-10.5.

Spec Gravity:2.1
pH:SUPDAT
Evaporation Rate & Reference:NOT KNOWN
Solubility in Water:INSOLUBLE
Appearance and Odor:BAGS/PACKETS & CLOSURES CONTAINING WHITE, GRAY OR
TAN BEADS OF MOLECULAR SIEVE.

Stability Indicator/Materials to Avoid:YES
REACTS WITH HF AND STRONG ACIDS OR ALKALI.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NON-FLAMMABLE.

Waste Disposal Methods:LANDFILL IN ACCORDANCE WITH LOCAL, STATE AND
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.