Product ID:200 FLUID 1.0 CST
MSDS Date:11/04/1991
FSC:9150
NIIN:00-066-2382
MSDS Number: BCXBS

DOW CORNING

SOUTH SAGINAW ROAD
MIDLAND, MI 48686
US

Emergency Phone: 517-496-5900

Info Phone: 517-496-6000

Preparer: JACK L. SHENEBERGER

Cage: 5D028

DOW CORNING CORP

AUBURN, MI 48611 US

Telephone: 517-496-4388

Cage: 71984

OCTAMETHYLTRISILOXANE

CAS: 107-51-7

Fraction By Weight: 98%

OSHA PEL N/K

ACGIH TLV: N/K

CYCLOTETRASILOXANE, OCTAMETHYL-;

CAS: 556-67-2

RTECS: GZ4397000

Fraction By Weight: 2%

OSHA PEL N/K

ACGIH TLV: N/K

AN OIL IN CONTEXT OF U.S. CLEAN WATER ACT. SPILLS TO

RTECS: 9999999ZZ

SURFACE WATERS THAT CAUSE A VISIBLE SHEEN MUST BE

RTECS: 9999999ZZ

AS SOON AS PRACTICAL, ESP BEFORE EATING OR

RTECS: 9999999ZZ

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:EYE:DIRECT CONT MAY CAUSE TEMPORARY
DISCOMFORT W/MILD REDNESS & DRYNESS SIMILAR TO WINDBURN.
SKIN:SINGLE PRLNG EXPOS (24-48 HRS) CAUSES NO KNOWN ADVERSE EFT.
INHAL:PRLNG VAP OVEREXP MAY CAUSE INCR LIV ER SIZE. DEGREE OF
CHANGE, IF ANY, WILLDEPEND ON CONC & DURATION OF EXPOS. INGEST:SM
AMTS TRANSFERRED (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:TO MOUTH BY FINGERS DURING USE, ETC,
SHOULD NOT INJURE. RPTD SWALLOWING OF LG AMTS MAY INCR LIVER SIZE.
LAB RODENTS RPTDLY EXPOS TO ING 2 BY INHAL/INGEST DEVEL INCR LIVER
WT AS COMPARED TO UN EXPOS CONTROL ANIMALS. THIS EFT WAS REVERSIBLE
WHEN DOSING WAS STOPPED AFTER 90 DAYS. FURTHER STUDIES INDICATED
(SUPDAT)
Medical Cond Aggravated by Exposure:OVEREXPOSURE TO ANY CHEMICAL MAY
RESULT IN ENHANCEMENT OF PRE-EXISTING ADVERSE MEDICAL CONDITIONS &
ALLERGIC REACTIONS.

First Aid:INGEST:CALL MD IMMEDIATELY . INHAL:REMOVE TO FRESH AIR.
SUPPORT BREATHING (GIVE O*2/ARTF RESP) . EYES:FLUSH IMMEDIATELY
W/WATER FOR AT LEAST 15 MINUTES. SKIN:WIPE OFF & FLUSH W/WATER.

Flash Point Method:CC
Flash Point:94.0F,34.4C
Extinguishing Media:CARBON DIOXIDE, FOAM, WATER FOG, DRY CHEMICAL.
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:VAPS ARE HVR/AIR & CAN TRAVEL ALONG
GROUND TO REMOTE IGNIT SOURCES. STATIC ELEC MAY ACCUM & IGNITE
VAPS. PVNT POSS FIRE HAZ BY SUITABLE MEANS, SUCH AS (SUPDAT)

Spill Release Procedures:USE ABSORB MATL TO COLLECT & CONTAIN FOR
SALVAGE/DISP. REMOVE ALL SOURCES OF IGNIT & WEAR PROPER PROT EQUIP,
SFTY GLASSES, AS MIN. WASHING AT MEALTIME & END OF SHIFT IS ADEQ.
USE NIOSH/MSHA APPRVD RES P PROT UNLESS LOC EXHST VENT IS ADEQ/AIR
(SUPDAT)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:PRECS ARE FOR ROOM TEMP HNDLG; USE AT
ELEVATED TEMPS, OR AEROSOL/SPRAY APPLICATIONS, MAY REQ ADDED PRECS.
AVOID BRTHG VAPS. USE ONLY W/ADEQ VENT.
Other Precautions:DO NOT TAKE INTERNALLY. KEEP CONTAINER CLOSED & AWAY
FROM HEAT, SPARKS & OPEN FLAME. REVIEW OSHA FORMALDEHYDE REGS FOR
DETAILED INFO ON SAFE HNDLG RQMTS.

Respiratory Protection:USE NIOSH/MSHA APPROVED RESPIRATORY PROTECTION
UNLESS LOCAL EXHAUST VENTILATION IS ADEQUATE OR AIR SAMPLING DATA
SHOW EXPOSURES ARE W/IN TLV & PEL GUIDELINES. SUITABLE RESPIRATOR:
NIOSH/MSHA APPROVED ORGANIC VAPOR TYPE.
Ventilation:LOCAL EXHST &/OR MECH (GEN) REC. PROVIDE VENT TO CONTROL
VAP EXPOS W/IN INHAL GUIDELINES WHEN HNDLG AT ELEVATED TEMPS.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPROVED CHEM SAFETY GOGGLES
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:WASHING AT MEALTIME & END OF SHIFT IS ADEQ.
GOOD PRACTICE REQS THAT GROSS AMT OF ANY CHEM BE REMOVED FROM SKIN
(ING 5)
Supplemental Safety and Health
EXPLO HAZ:BONDING & GROUNDING, INERT GAS PURGE, VAP DILUTION & THE
LIKE. HAZ DECOMP PROD:HEATED IN AIR ABOVE 300F/149C. EFTS OF
OVEREXP:THAT RODENT LIVER ENLARGEMENT BY ING 2 WAS DUE TO INCR
NUMBER OF LIVER CELLS WHICH APPEARED NORMAL. SPILL PROC:SAMPLING
DATA SHOW EXPOS ARE W/IN TLV & PEL GUIDELINES. PROD IS (ING 3)

HCC:F4
Boiling Pt:B.P. Text:300F,149C
Vapor Pres:<5
Spec Gravity:0.82
Solubility in Water:<0.1
Appearance and Odor:VERY LITTLE ODOR,LIQUID,NO COLOR.

Stability Indicator/Materials to Avoid:YES
OXIDIZING MATERIAL
Hazardous Decomposition Products:SILICON DIOXIDE, CARBON DIOXIDE &
TRACES OF INCOMPLETELY BURNED CARBON PRODS. TRACES OF FORMALDEHYDE
MAY FORM IF(SUPDAT)

Waste Disposal Methods:DOW CORNING SUGGESTS THAT ALL LOCAL, STATE &
FEDERAL REGULATIONS CONCERNING HEALTH & POLLUTION BE REVIEWED TO
DETERMINE APPROVED DISPOSAL PROCEDURES. CONTACT DOW CORNING IF
THERE ARE ANY DISPOSAL QUES TIONS.

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disclaims all liability for its use. Any person utilizing this
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assume responsibility for the suitability of this information to their
particular situation.