Product ID:SILWET L-77
MSDS Date:11/10/1993
FSC:6810
NIIN:00N067577
MSDS Number: CBGDJ

OSI SPECIALTIES INC

39 OLD RIDGEBURY RD
DANBURY, CT 06810-5121
US

Emergency Phone: 304-744-3487

Info Phone: 304-744-3487

Cage: XSXSP

OSI SPECIALTIES INC

GREENWICH, CT 06831-2559 US

Telephone: 304-652-8000;304-652-1478

Cage: XSXSP

SILOXANE; (POLYALKYLENEOXIDE MODIFIED

CAS: 27306-78-1

Fraction By Weight: >80%

OSHA PEL N/K

ACGIH TLV: N/K

POLYETHYLENE POLYMER; (ALLYLOXYPOLYETHYLENEGLYCOL METHYL

CAS: 27252-80-8

Fraction By Weight: <20%

OSHA PEL N/K

ACGIH TLV: N/K

TOLUENE (SARA 313) (CERCLA). (% WT <1000 PPM)

CAS: 108-88-3

RTECS: XS5250000

Fraction By Weight: <0.1%

OSHA PEL 200 PPM; Z-2

ACGIH TLV: S, 50 PPM; 9495

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

29.8 G/L; 29.8 G/L (LESS WATER &

RTECS: 9999999VO

VISION MAY OCCUR. THESE EFTS FROM VAP WILL RESOLVE

RTECS: 9999999ZZ

CAUSE LIVER & THYROID INJURY. RPTD INGEST MAY CAUSE

RTECS: 9999999ZZ

PRODS OF COMBUSTION MAY RSLT IN IRRIT OF RESP TRACT.

RTECS: 9999999ZZ

THIS MATL WAS NOT MUTAGENIC IN AMES

RTECS: 9999999ZZ

THIS MATL CAUSED MOD SKIN IRRIT WHICH RESOLVED DURING

RTECS: 9999999ZZ

FINDINGS FROM ONGOING DIETARY FEEDING STUDY W/RATS

RTECS: 9999999ZZ

CAUSES ADVERSE EFTS ON MALE & FEMALE REPRO TRACT.

RTECS: 9999999ZZ

MATL, INDICATE THAT HIGH DOSAGE REPEATED EXPOS MAY

RTECS: 9999999ZZ

TOLUENE APPEARS ON THE NAVY LISTING OF OCCUPATIONAL

RTECS: 9999999ZZ

APPROPRIATE HEALTH PROFESSIONALS CONCERNING LATEST

RTECS: 9999999ZZ

OVEREXPOSURE SHOULD BE DIRECTED AT THE

RTECS: 9999999ZZ

VAP/AIR CONTACT TIME, & AIR INFLUENCED BY PRESS

RTECS: 9999999ZZ

PROCESS CONDITIONS, ESPECIALLY IN PROCESSES

RTECS: 9999999ZZ

OR OUTSIDE PROCESS EQUIP OPERATING UNDER ELEVATED

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:INGEST:MODERATELY TOXIC. MAY CAUSE
IRRIT OF THE MOUTH AND THROAT, ABDOMINAL DISCOMFORT, NAUSEA,
VOMITING, & DIARRHEA. SKIN ABSORPTION:PRLNG/WIDESPREAD CONTACT MAY
RESULT IN THE ABSORPTION OF POTENTIAL LY HARMFUL AMOUNTS OF
MATERIAL. INHAL:SHORT-TERM HARMFUL HEALTH EFFECTS ARE NOT EXPECTED
FROM VAPOR (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ:GENERATED AT AMBIENT TEMP. SKIN:BRIEF
CNTCT MAY CAUSE SLIGHT IRRIT W/ITCHING & LOCAL REDNESS. PRLNG CNTCT
CAUSE MILD TO MOD LOCAL REDNESS & SWELLING. EYE:LIQ SPLASHED INTO
EYE WILL CAUSE DISC OMFORT/PAIN, W/EXCESS BLINKING & TEAR PROD.
THERE WILL BE EXCESS REDNESS & SWELLING OF CONJUNCTIVA, & MILD
(SUPDAT)
Medical Cond Aggravated by Exposure:SKIN CONTACT MAY AGGRAVATE AN
EXISTING DERMATITIS.

First Aid:INGEST:IF PATIENT IS FULLY CONSCIOUS, GIVE TWO GLASSES OF
H*2O. INDUCE VOMIT. OBTAIN MED ATTN. SKIN:REMOVE CONTAMD CLTHG.
WASH SKIN W/SOAP & H*2O. IF IRRIT PERSISTS/IF CNTCT HAS BEEN PRLNG,
OBTAIN MED ATTN. INHAL:REMOVE TO FRESH AIR. EYES:IMMED FLUSH EYES
W/H*2O & CONTINUE WASHING FOR AT LEAST 15 MIN. OBTAIN MED ATTN.
NOTES TO MD:MOD EYE IRRIT. THERE IS NO SPECIFIC ANTIDOTE. TREATMENT
OF (ING 15)

Flash Point Method:PMCC
Flash Point:240F,116C
Extinguishing Media:APPLY ALCOHOL-TYPE/ALL-PURPOSE-TYPE FOAM BY MFR'S
REC TECHNIQUES FOR LARGE FIRES. USE CARBON DIOXIDE OR DRY
CHEM(SUPDAT)
Fire Fighting Procedures:NIOSH/MSHA APPRVD SCBA & FULL PROT EQUIP. DO
NOT DIRECT SOLID STREAM OF H*2O/FOAM INTO HOT, BURNING POOLS; THIS
MAY CAUSE FROTHING & INCR FIRE INTENSITY.
Unusual Fire/Explosion Hazard:NONE.

Spill Release Procedures:WEAR SUITABLE PROTECTIVE EQUIPMENT. AVOID
CONTACT WITH LIQUID AND VAPORS. COLLECT FOR DISPOSAL. TOXIC TO
AQUATIC LIFE. AVOID DISCHARGE TO NATURAL WATERWAYS.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:AVOID CONTACT WITH EYES, SKIN AND
CLOTHING. DO NOT SWALLOW. KEEP CONTAINER CLOSED.
Other Precautions:WARNING: HOT ORG CHEM VAPS/MISTS ARE SUSCEPTIBLE TO
SUDDEN SPONT COMBUST WHEN MIXED W/AIR. IGNIT MAY OCCUR AT TEMPS
BELOW THOSE PUBLISHED IN LITERATURE AS "AUTOIGNITION" OR "IGNITION"
TEMPS. INGEST TE MP DECR W/INCREASING VAPS VOL & (ING 16)

Respiratory Protection:NONE EXPECTED TO BE NEEDED. NIOSH/MSHA APPROVED
RESPIRATOR APPROPRIATE FOR EXPOSURE OF CONCERN .
Ventilation:GENERAL (MECHANICAL) ROOM VENTILATION IS EXPECTED TO BE
SATISFACTORY.
Protective Gloves:PVC-COATED.
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS .
Other Protective Equipment:EYE WASH FOUNTAIN & DELUGE SHOWER WHICH MEET
ANSI DESIGN CRITERIA . CHEMICAL APRON.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
SPEC GRAV:1.007 @ 25/25'C. EXTING MEDIA:MEDIA FOR SMALL FIRES. HAZ
DECOMP PROD:INHALED; CARBON DIOXIDE IN SUFFICIENT CONCS CAN ACT AS
ASPHYXIANT. EFTS OF OVEREXP:CORNEAL INJURY MAY OCCUR. PRLNG EXPOS
TO VAP/AEROSOL MAY CAUSE DISCOMFORT IN EYE W/EXCESS REDNESS & POSS
SLIGHT SWELL OF CONJUNCTIVA; BLURRING OF (ING 5)

Boiling Pt:B.P. Text:>302F,>150C
Melt/Freeze Pt:M.P/F.P Text:30.0F,-1.1C
Vapor Pres:<1
Vapor Density:>1
Spec Gravity:SUPDAT
Evaporation Rate & Reference:<1 (BUTYL ACETATE = 1)
Solubility in Water:DISPERSIBLE (WT)
Appearance and Odor:STRAW-COLORED LIQUID. MODERATE POLYETHER ODOR.

Stability Indicator/Materials to Avoid:YES
NONE KNOWN.
Stability Condition to Avoid:NONE KNOWN.
Hazardous Decomposition Products:BURNING CAN PRDCE FOLLOWING COMBUSTION
PRODS:OXIDES OF CARBON & SILICON. CARBON MONOXIDE IS HIGHLY TOXIC
IF (SUPDAT)

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.