Product ID:COMPOUND NO.7
MSDS Date:09/22/1992
FSC:6850
NIIN:01-255-0390
MSDS Number: BJYNB

A. B. CHANCE COMPANY

210 NORTH ALLEN STREET
CENTRALIA, MO 65240
US

Emergency Phone: 314-682-8435/314-581-1052

Info Phone: 314-682-5521/314-682-3034

Preparer: W.M. RINEHART

Cage: 0RUR0

CHANCE AB

CENTRALIA, MO 65240-1395 US

Telephone: 314-582-8508

Cage: 0RUR0

DIMETHYLPOLYSILOXANE

CAS: 63148-52-7

Fraction By Weight: 85%

SILICA GEL(WELL WETTED OUT BY SILICONE FLUID.EXPO TO

CAS: 112945-52-5

RTECS: VV7310000

Fraction By Weight: 15%

OSHA PEL 6 MG/M3

ACGIH TLV: 10 MG/M3

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:MATL CONSIDERED TO BE NON-TOXIC.INGEST
LG AMTS WOULD BE EXPECTED TO HAVE LAXATIVE EFFECT MUCH LIKE THAT OF
WHITE MINERAL OIL.IT'S NOT IRRIT TO SKIN.DIMETHYL SILICONE FLUID
CAN BE IRRIT IN EYE TIL REMO VED.WHEN HEATED @HIGH TEMP
FUMES/OXIDATION PRODUCTS FROM METHYL SILICONES CAN IRRIT/TOXIC.
Explanation of Carcinogenicity:PER MSDS:PRODUCT NOT CONSIDERED A
CARCINOGEN BY NTP/IARC/OSHA.
Effects of Overexposure:EYE:MAY CAUSE MILD IRRIT IN SOME PEOPLE.
SKIN/INHAL::NO EVIDENCE OF ADVERSE EFFECTS FROM AVAILABLE.
INGEST:CAN ACT AS A LAXATIVE.
Medical Cond Aggravated by Exposure:THIS PRODUCT AS W/ANY CHEM MAY
ENHANCE ALLERGIC CONDITIONS ON CERTAIN PEOPLE. WE DO NOT KNOW OF
NAY MED CONDITIONS THAT MIGHT BE AGGRAVATED BY EXPO TO THIS
PRODUCT.

First Aid:EYE:FLUSH W/LG AMTS OF WATER FOR 15MINS.GET MED AHELP IF
IRRIT PERSISTS. SKIN:WASH WELL W/SOAP/WATER. INHAL:REMVOE FROM FUME
AREA TO FRESH AIR. INGEST:IF LAXATIVE SYMPTOMS PERSIST CONSULT
PHYSICIAN.

Flash Point Method:PMCC
Flash Point:>400F,>204C
Autoignition Temp:Autoignition Temp Text:N/AV
Lower Limits:N/AV
Upper Limits:N/AV
Extinguishing Media:CO2, DRY CHEM, FOAM, WATER SPRAY (FOG).
Fire Fighting Procedures:SELF-CONTAINED BREATHING APPARATUS & PROT
CLOTHING SHOULD BE WORN IN FIGHTING FIRES INVOLVING CHEM.
Unusual Fire/Explosion Hazard:THOUGH LOW IN COMBUSTIBLITY MATL WILL
BURN @HIGH TEMP PRODUCING SIO2 SMOKE IN ADDN TO OXIDES OF
CARBON.WHEN HEAT IN AIR(W/O BURN)SLOWLY EVOLVES FORMALDEHYDE.

Spill Release Procedures:PICK UP SPILLED COMPOUND AS MUCH AS
POSSIBLE.THEN CLEAN UP RESIDUE W/ABSORBENT SOLID.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:@ELEVATED TEMP PROD SENS TO
CONTAMIN;IF CONTAMIN W/STRONG ACIDS,BASES,SOME METALLIC
CMPDS,OXIDIZING AGENTS FLASHPT/VISC MAY CHANGE/REDETERMINE THEM.
Other Precautions:STORE IN SEAL CNTNR-PREVENT MOISTURE/CONTAM FROM
ENTERING(IMPORTANT W/DIELECTRIC GRADE FLUID).>150C CAN SLOWLY RX
W/OXY OF AIR RATE OF OXIDATION INCR AS TEMP RISES PRODUCING
FORMALDEHYDE,OXIDES OF CAR BON &(@HI TEMP)SIO2.USE REASONABLE(SUPP)

Respiratory Protection:USE OF RESPIRATOR MAY BE INDICATED FOR
FUME/AEROSOL PROTECTION.
Ventilation:SUPPLY ADEQUATE VENTI IN AREAS WHERE FLUID IS HEATED TO
REMOVE VAP/OXIDATION PRODUCTS.
Protective Gloves:PLASTIC GLOVES.
Eye Protection:SAF GLASSES/GOGGLES.
Other Protective Equipment:EYEBATH, SAFETY SHOWER.
Work Hygienic Practices:USE GOOD HYGIENIC PRACTICE.
Supplemental Safety and Health
DISPO:CAUSE VISIBLE SHEEN REPROT TO NAT RESP CNTR. OTHER
PRECAUT:CARE/CAUT.AVOID RUB EYE W/HANDS WHILE USE PROD.AVOID BREATH
FUME/VAP FROM HEAT FLUID ESPEC WHEN HEATED >300F.FORMALDEHYDE
TRACES/THERM DECOMP PROD @TEMP >150C IN AIR-PROVIDE ADEQ VENTI.

HCC:V7
Boiling Pt:B.P. Text:>300F,>149C
Melt/Freeze Pt:M.P/F.P Text:NP
Decomp Temp:Decomp Text:NP
Vapor Pres:<5MM @77C
Vapor Density:NP
Spec Gravity:1.06
pH:NP
Viscosity:NP
Evaporation Rate & Reference:<1, ETHER=1
Solubility in Water:<0.1, NELGIGIBLE
Appearance and Odor:TRANSLUCENT, GREASE LIKE CONSISTENCY, ODORLESS.
Percent Volatiles by Volume:<0.5
Corrosion Rate:NP

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS.
Stability Condition to Avoid:NONE.
Hazardous Decomposition Products:SILICON DIOXIDE, CARBON DIOXIDE, &
TRACES OF INCOMPLETELY BURNED CARBON PRODUCTS.
Conditions to Avoid Polymerization:CAN SLOWLY DEPOLYMERIZE TO VOLATILE
SILOXANES WHEN HEATED ABOVE ABOUT 300C WHETHER OR NOT AIR IS
PRESENT.

Waste Disposal Methods:DISPO BY DIL W/HYROCARBON
WSTE/INCINERATE,BURYING IN APPROVED LANDFILL.INCINERATION NOT
RECOMMENDED FOR LG AMTS.DON'T FLUSH TO SEWER.ALL LOC/STATE/RED REG
CONCERING HEALTH/POLLUTION BE REVIEWED TO DET ERM APPROVED DISPO
PROCEDURE.PROD OIL.SPILLS(SUPP)

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.