Product ID:HEXAMETHYLDISILAZANE
MSDS Date:01/01/1987
FSC:6810
NIIN:00K002530
MSDS Number: BCDKY

Emergency Phone: 314-982-5000

Info Phone: 314-982-5000

Cage: 62910

Telephone: 908-859-2151

Cage: 62910

Effects of Overexposure:INH:EXCSSV INH CAUSES RESP TRACT IRRIT;ING:MAY
CAUSE GI UPSET,VOMITG;SKIN/EYE:IRRITANT.MAY BURN SEVR

First Aid:INHAL:RMV TO FRESH AIR.IF NEEDED,GIVE CPR/OXYGEN.GET
MD;INGEST:GIVE SEVRL GL OF WATER.DO NOT INDUCE VOMITG.IMMED GET
MD;SKIN:FLUSH W/LG QTY OF H*2O FOR 15 MIN.REMV CONTMNTD CLOTHES.GET
MD;EYES:IMMED F LUSH W/PLENTY OF H*2O FOR AT LEAST 15 MIN.GET MD.

Flash Point:13-27C(55-81F)CC
Autoignition Temp:Autoignition Temp Text:380C
Lower Limits:0.8
Upper Limits:16.3
Extinguishing Media:POWDER,ALCOHOL RESISTANT FOAM,WATER SPRAY OR CARBON
DIOXIDE
Fire Fighting Procedures:USE H*20 TO COOL EXPD CONTRS. USE SCBA & FULL
PROT.CLTHG.
Unusual Fire/Explosion Hazard:ABOVE FLASH POINT,VAP-AIR MIXTURES ARE
EXPLOSIVE WITHIN FLAMMABLE LIMITS.

Spill Release Procedures:VENTILATE & EVAC AREA.USE PROTCTV CLOTHG &
RESP PROTCTION FM VAP.CONTAIN & RECOVR LIQ WHEN POSS.SPILLS MAY BE
ABSORBD W/INERT MATL & COLLECTD FOR DISPOSAL.DIKE LG SPILL W/DRY
SAND/EARTH & RECVR LIQ FO R RECOVERY WHEN POSSIBLE.REMOVE IGNITION
SOURCES.

Handling and Storage Precautions:PROTCT AGAINST PHYSICAL DAMAGE.STORE
IN COOL,DRY WELL VNTLTD AREA AWAY FM IGN/HEAT SOURCES,OXIDZG
MATL.OUTSIDE OR DETACHED STORAGE IS PREFERRED.
Other Precautions:KEEP AWAY FROM HEAT,SPARKS,FLAMES.KEEP CONTNRS
CLOSED.USE W/ADEQUATE VENT.AVOID BRTHG MIST.WASH THOROUGHLY AFTER
HNDLG.BOND GROUND CONTNRS WHEN TRNSFRG MATERL.USE NON-SPARKG TYPE
TOOL & EQUIP.

Respiratory Protection:HALF MASK RESPIRATOR
Ventilation:LOCAL EXHAUST TO MAINTN BELOW TLV.
Protective Gloves:IMPERVIOUS
Eye Protection:SAFETY/CHEM GOGGLES
Other Protective Equipment:FULL PROTECTIVE CLOTHING,SAFETY SHOWER,EYE
WASH STATION
Supplemental Safety and Health
MSDS FM MFR DATED:15OCT86 CONFORMS TO OSHA HAZ COMM STD;
FORMULA:(CH*3)*3SINSI(CH*3)*3; SOLUBILITY IN WATER:HYDROLYSES
SLOWLY AT ROOM TEMPERATURE.

HCC:F3
Boiling Pt:B.P. Text:125C(257F)
Vapor Pres:20
Vapor Density:4.6
Spec Gravity:0.77
Evaporation Rate & Reference:<1.0(ETHER=1)
Solubility in Water:NEGLIGIBLE
Appearance and Odor:CLEAR,COLORLESS LIQUID.AMMONIACAL ODOR.

Stability Indicator/Materials to Avoid:YES
WATER,METHYL ALCOHOL,ACIDS,STRONG ALKALIES & OXIDIZING AGNTS
Stability Condition to Avoid:HEAT, IGNITION SOURCES
Hazardous Decomposition Products:MAY FORM SILICON DIOXIDE,OXIDES OF C &
N; NH*3/HCHO IF HEATD

Waste Disposal Methods:COLLECT SPILLED MATL AS HAZARDOUS WASTE &
ATOMIZE IN A SUITABLE RCRA APPROVED COMBUSTION CHAMBER OR DISPOSE
OF IN A RCRA APPROVED FACILITY.DO NOT FLUSH TO SEWER! ENSURE
COMPLIANCE WITH LOCAL,STATE & F EDERAL 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.