Product ID:SILWET L-720
MSDS Date:10/23/1996
FSC:8040
NIIN:00N061628
MSDS Number: CHJCN

OSI SPECIALTIES INC

ONE AMERICAN LANE
GREENWICH, CT 06831-2559
US

Emergency Phone: 800-809-9998;800-424-9300(CHEMTREC)

Info Phone: 304-652-8000

Cage: 0YTZ6

OSI SPECIALTIES INC

38002 SOUTH CHARLESTON, WV 25303-3802 US

Telephone: 304-747-3553

Cage: 0YTZ6

POLYALKYLENEOXIDE MODIFIED POLYDIMETHYLSILOXANE

CAS: 68554-65-4

RTECS: 9999999ZZ

Fraction By Weight: 50%

OSHA PEL N/K

ACGIH TLV: N/K

GLYCOLS, POLYETHYLENEPOLYPROPYLENE, MONOBUTYL ETHER

CAS: 9038-95-3

RTECS: MD0911000

Fraction By Weight: 50%

OSHA PEL N/K

ACGIH TLV: N/K

7.0 G/LITER AND 7.0 G/LITER

RTECS: 9999999VO

OSHA PEL N/K

ACGIH TLV: N/K

BE DONE BY MEANS LEAST LIKELY TO CAUSE

RTECS: 9999999ZZ

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INGEST: ASPIR INTO LUNGS MAY
OCCUR DURING INGEST/VOMIT, RSLTG IN LUNG INJURY. SKIN
CONT/ABSORPTION/EYE CONT: NO EVIDENCE OF HARMFUL EFTS FROM AVAIL
INFO. INHAL: EXPOS TO AEROSOLS GENERATED AT R OOM TEMP, OF A
COMPONENT OF THIS MATL, PRDCED INFLAMMATORY CHANGES IN LUNGS OF
ANIMALS. (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ: RPTD INHAL OF RESPIRABLE AEROSOLS MAY
CAUSE LUNG DMG, WHICH COULD IMPAIR LUNG FUNC & ABILITY TO OBTAIN
SUFFICIENT OXYGEN SUPPLY TO BODY. SIGNIFICANT LAB DATA W/POSS
RELEVANCE TO HUMAN HLTH H AZ EVALUATION: RPTD INHAL OF
RESPIRABLEAEROSOLS OF A COMPONENT OF THIS MATL PRDCED INJURY TO
LUNGS OF RATS. (SUP DAT)
Medical Cond Aggravated by Exposure:A KNOWLEDGE OF THE AVAILABLE
TOXICOLOGY INFORMATION AND OF THE PHYSICAL AND CHEMICAL PROPERTIES
OF THE MATERIAL SUGGESTS THAT OVEREXPOSURE IS UNLIKELY TO AGGRAVATE
EXISTING MEDICAL CONDITIONS.

First Aid:INGEST: IF CONSCIOUS, GIVE 2 GLASSES OF WATER. DO NOT INDUCE
VOMIT. OBTAIN MED ATTN. SKIN: WASH W/SOAP & WATER. INHAL: REMOVE TO
FRESH AIR. EYES: FLUSH THORO W/WATER FOR AT LEAST 15 MIN. NOTES TO
MD: ANY MATL ASPIRATED DURING VOMIT MAY CAUSE LUNG INJURY.
THEREFORE, EMESIS SHOULD NOT BE INDUCED
MECHANICALLY/PHARMACOLOGICALLY. IF IT IS CONSIDERED NEC TO EVACUATE
STOM CONTENTS, THIS SHOULD (ING 4)

Flash Point Method:PMCC
Flash Point:205F,96C
Extinguishing Media:USE ALCOHOL-TYPE/ALL-PURPOSE-TYPE FOAM BY MFR'S REC
TECHNIQUES FOR LGE FIRES. USE CARBON DIOXIDE/DRY CHEM FOR SML
FIRES.
Fire Fighting Procedures:WEAR NIOSH APPROVED SCBA AND FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE.

Spill Release Procedures:COLLECT FOR DISPOSAL.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:WARNING! HARMFUL BY INHAL OF AEROSOLS.
VAP, AEROSOL/MIST & THERMAL DEGRADATION PRODS GENERATED AT HIGH
TEMP CAN BE IRRITATING & HARMFUL IF INHALED.
Other Precautions:RPTD INHAL OF AEROSOLS BY RATS PRODUCED LUNG DAMAGE.
ASPIRATION MAY CAUSE LUNG DAMAGE. AVOID BREATHING VAPOR AND MIST.
KEEP CONTAINER CLOSED. USE WITH ADEQUATE VENTILATION. DO NOT
SWALLOW.

Respiratory Protection:NONE REQUIRED FOR VAPORS WHEN USED AT LOW
TEMPERATURES. FOR AEROSOLS, A NIOSH APPROVED NEGATIVE-PRESSURE,
HALF-MASK RESPIRATOR APPROVED FOR DUST AND MIST PROTECTION IS
RECOMMENDED.
Ventilation:GEN (MECH) ROOM VENT EXPECTED IF HANDLED AT LOW TEMPS/IN
COVERED EQUIP. LOC VENT NEEDED IN PRESENCE OF AIRBORNE MISTS.
Protective Gloves:4H/BUTYL/NEOPRENE/NITRILE/PVC-COATED.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:EMERGENCY EYEWASH AND DELUGE SHOWER MEETING
ANSI DESIGN CRITERIA .
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
HAZ DECOMP PROD: SUFFICIENT CONCS CAN ACT AS ASPHY. ACUTE OVEREXP TO
PRODS OF COMBUST MAY RSLT IN IRRIT OF RESP TRACT. EFTS OF OVEREXP:
OTHER EFTS OF OVEREXP: OVEREXP TO VAP, AEROSOL/MIST GENERATED AT
HIGH TEMP MAY RSLT IN EYE & RESP TRACTIRRIT, DIZZ, NAUS, & INHAL OF
HARMFUL AMTS OF MATL.

Boiling Pt:B.P. Text:>302F,>150C
Vapor Pres:<1 @ 20C
Vapor Density:HVR/AIR
Spec Gravity:1.04
Evaporation Rate & Reference:SLOWER THAN N-BU AC
Solubility in Water:SLIGHTLY SOLUBLE
Appearance and Odor:CLEAR, PALE YELLOW WITH MILD ODOR.

Stability Indicator/Materials to Avoid:YES
NONE KNOWN.
Stability Condition to Avoid:NONE KNOWN.
Hazardous Decomposition Products:BURNING CAN PRDCE OXIDES OF CARBON &
SILICON. CARBON MONOXIDE IS HIGHLY TOX IF INHALED; CARBON DIOXIDE
IN (SUP DAT)

Waste Disposal Methods:INCINERATE IN A FURNACE WHERE PERMITTED UNDER
FEDERAL, STATE, AND LOCAL 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.