===================== Product Identification =====================
MSDS NAME:ACETYLENE
NIIN:00-290-4330
MSDS Number: CCVRN
=== Responsible Party ===
Company:BOC GROUP INC THE
Address:575 MOUNTAIN AVE
City:MURRAY HILL
State:NJ
ZIP:07974
Country:US
Info Phone Num:908-464-8100/FOR MSDS:1800-734-5463
Emergency Phone Num:908-464-8100/800-424-9300(CHEMTREC)
CAGE:80382
=== Contractor Identification ===
Company:BOC GASES, A DIVISION OF THE BOC GROUP, INC
Address:575 MOUNTAIN AVENUE
Box:City:MURRAY HILL
State:NJ
ZIP:07974
Country:US
Phone:908-464-8100
CAGE:80382
============= Composition/Information on Ingredients =============
Name:ACETYLENE
CAS:74-86-2
RTECS #:AO9600000
Fraction by Wt: 100.000%
Other REC Limits:NONE RECOMMENDED
ACGIH TLV:ASPHYXIANT; 9596
===================== Hazards Identification =====================
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:SIMPLE ASPHYXIANT.OXY LEVELS SHOULD BE
MAINTAINED @>18 MOLAR% @NORMAL ATM PRESSURE(EQUIVALENT TO PARTIAL
PRESSURE OF 135MMHG).HI CONC AS TO EXCLUDE ADEQUATE OXY SUPPLY TO
LUNGS CAUSES DIZZ,DEEPER BREA TH DUE TO AIR HUNGER,POSSIBLE
NAU,EVENTUAL UNCONSC.RELATIVELY INACTIVE BIOLOG/ESSENTIALL
NONTOXIC.10-20% IN(SIGN/SYMPTO)
Explanation of Carcinogenicity:PER
MSDS:CARCINOGENICITY:NTP/IARC/OSHA:NO.
Effects of Overexposure:HEALTH HAZ:AIR CAUSES SYMPT SIMILAR TO BEING
INTOXICATED.NARCOTIC GAS/INTOXICANT CAUSES HYPERCAPNIA(EXCESSIVE
CO2 IN BLOOD).REP EXPO TO TOLERABLE LEVELS HASN'T SHOWN DELETERIOUS
EFFECTS.EXPO TO ACETON E COMPONENT UNLIKELY UNLESS CYL LEAKINGON
ITS SIDE.ACETONE-CNS TOXIN,CAUSE
HEAD,NAU,DIZZ,VOMIT,FTG.SKIN:IRRIT,DERM.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.
======================= First Aid Measures =======================
First Aid:PROMPT MED ATTN MANDATORY IN ALL CASES OF OVEREXPO.SHOULD BE
EQUIP W/SCBA.ASSIST VICTIM TO UNCONTAM AREA,INHALE FRESH AIR.QUICK
REMOVAL FROM CONTAM AREA MOST IMPORTANT.BREATH STOPPED ADMIN ART
RESUSC/ SUPPLEM OXY.FURTHER TREATMENT SHOULD BESYMPT/SUPPORT.KEEP
WARM/QUIET.SKIN:WASH W/SOAP/WARM WATER.IRRIT PERSIST GET MED ATTN.
===================== Fire Fighting Measures =====================
Flash Point:GAS
Autoignition Temp:Autoignition Temp Text:565F
Lower Limits:2.2
Upper Limits:80-85(SUPPL)
Extinguishing Media:CARBON DIOXIDE, DRY CHEMCIAL.
Fire Fighting Procedures:IF POSSIBLE STOP GAS SUPPLY FLWO,ALLOW FUEL TO
CONSUME ITSELF.USE WATERSPRAY TO COOL ADJACENT AREAS.KEEP PERSONNEL
AWAY SINCE HEATED/BURNING CYL CAN RUPTURE VIO
Unusual Fire/Explosion Hazard:GASEOUS ACETYLENE SPONT COMBUST IN AIR
@PRESSURE >15PSI.REQUIRED VERY LOW IGN ENERGY SO FIRES WHICH HAVE
BEEN EXT W/O STOP GAS FLOW CAN EASILY REIGN W/(SUPPLEM)
================== Accidental Release Measures ==================
Spill Release Procedures:REMOVE ALL PEOPLE FROM AREA.USE APPROPRIATE
PROTECTIVE EQPMT.LEAK IN USER EQPMT BE CERTAIN TO PURGE PIPING
W/INERT GAS PRIOT TO REPAIRS.LEAK IN CNTNR/CNTNR VALVE CONTACT
CHEMTREC FOR EMERG ASSIST OR C ALL AIRCO LOCATION.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.
====================== Handling and Storage ======================
Handling and Storage Precautions:USE ONLY IN WELL-VENTI AREA.VAL PROT
CAPS MSUT REMAIN IN PLACE UNLESS SECURED W/VAL PROT OUTLET PIPE TO
USE PT.DON'T DRAG/SLIDE/ROLL CYL.USE HANDTRUCK
Other Precautions:USE PRESSURE RED REG WHEN REMOVING GAS FROM CYL.DON'T
ALLOW FREE GAS TO >15PSI.DON'T HEAT CYL TO INCR DISCHARGE RATE.USE
CHECK VAL/TRAP IN DISCHARGE LINE-PREVENT BACKFLOW INTO CYL.PROTECT
CYL FRM PHY DMG.STORE IN COOL DRY AREA AWAY (SUPPLE)
============= Exposure Controls/Personal Protection =============
Respiratory Protection:POSITIVE PRESSURE AIR LINE W/MASK OR
SELF-CONTAINED BREATHING APPARATUS SHOULD BE AVAILABLE FOR
EMERGENCY USE.
Ventilation:HOOD W/FORCED VENTILATION.LOC EXHAUST TO PREVENT
ACCUMULATION >EXPO LIMIT.MECHANICAL IAW ELECTRICAL CODES.
Protective Gloves:PVC,RUBB IN LAB;AS REQUIRED FOR CUT/WELD
Eye Protection:SAFETY GOGGLES/GLASSES.
Other Protective Equipment:SAFETY SHOES,SAFETY SHOWER.CONSULT COMPRESS
GAS ASSOC PAMPHLETS P-1,G-1,NFAP #51-1984,OSHA 1910 SUBPT H,Q.
Work Hygienic Practices:POST NO SMOKING OR OPEN FLAMES SIGNS IN
STORAGE/USE AREAS.NO SOURCE OF IGN IN STORAGE AREA.
Supplemental Safety and Health
UEL:PURE ACETYLENE CAN IGN BY DECOMP >15PSIG,UEL IS 100% IF IGN SOURCE
IS OF SUFFICIENT INTENSITY. FIRE/EXPLO:POSSIBLE EXPLO FORCE.PROD
DENS VERY SIMILAR TO AIR SO WHEN LEAK,DOESN'T READILY DISSIPATE.
INCOMP MATL:AG,CU. OTHER PRECAUT:FRM TRAFFIC,INCOMP
MATL,UPRIGTH,FIRMLY SECURE.GROUND/BOND LINES/EQPMT.FOLLOW CO INSTRU
================== Physical/Chemical Properties ==================
HCC:G2
Boiling Pt:B.P. Text:-118F,-83C
Melt/Freeze Pt:M.P/F.P Text:-113F,-81C
Decomp Temp:Decomp Text:NP
Vapor Pres:645PSIG
Vapor Density:NP
Spec Gravity:0.906
pH:NP
Viscosity:NP
Evaporation Rate & Reference:NP
Solubility in Water:SOLUBLE.
Appearance and Odor:COLORLESS GAS.PURE ACETYLENE-ETHERAL
ODOR.COMMERCIAL(CARBIDE)-GARLIC-LIKE ODOR.
Percent Volatiles by Volume:NP
Corrosion Rate:NP
================= Stability and Reactivity Data =================
Stability Indicator/Materials to Avoid:NO
OXY,OXIDIZERS(ALL HALOGENS,HALOGEN CMPDS).FORMS EXPLO ACETYLIDE CMPDS
W/CU,MH,AG,BRASSES W/>66%CU/BRAZING MATLS W/(SUPP)
Stability Condition to Avoid:DO NOT ALLOW FREE GAS (OUTSIDE OF
CYLINDER) TO EXCEED 15PSI. DO NOT EXPOSE CYLINDER TO SUDDEN SHOCK
OR HEAT.
Hazardous Decomposition Products:CARBON MONOXIDE, HYDROGEN.
==================== Disposal Considerations ====================
Waste Disposal Methods:DON'T ATTEMPT TO DISPO OF WASTE/UNUSED
QUANT.REUTRN IN SHIPIPNG CNTNR PROPERLY LABEL W/ANY VALVE OUTLET
PLUGS/CAPS SECURED/VALVE PROTECTION CAP IN PLACE TO AIRCO FOR
PROPER DISPO.REFILL ONLY BY QUAL P RODUCERS OF COMPRESS GAS-FED LAW
VIO.
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.
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