Product ID:ACETYLENE
MSDS Date:04/01/1987
FSC:6830
NIIN:00-264-6715
MSDS Number: BHDFF

Emergency Phone: 1-800-822-4357 CANADA 514-640-6400

Info Phone: ROUTINE INFO CONTACT LOCAL SUPPLIER

Cage: 36346

Telephone: 800-822-4357; 304-744-3487

Cage: 36346

ACETYLENE

CAS: 74-86-2

Fraction By Weight: 100%

Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Health Hazards Acute and Chronic:GASES,FUMES,DUSTS MAY CAUSE IRRITATION
TO EYES.LUNGS,NOSE,THROAT. ACUTE OVER EXPOSURE MAY INCLUDE
SIGNS/SYMPTOMS AS WATERY EYES,NOSE & THROAT
IRRITATION,HEADACHES,DIZZINESS,DIFFICULTY BREATHING,FRE QUENT
COUGHING, OR CHEST PAINS.
Effects of Overexposure:INHL:ASPHYXIANT.MODERATE CONCENTRATIONS OF
VAPOR MAY CAUSE HEADACHE,DROWSINESS,
DIZZINESS,NAUSEA,VOMITING,EXCITATION,EXCESS SALIVATION,&
UNCONSCIOUSNESS. SKIN: NO HARMFUL EFFECTS EXPECTED FROM V
APOR. LIQUID MAY CAUSE FROSTBITEEYES:VAPOR MAY CAUSE
IRRITATION.LIQ. MAY CAUSE IRRITATION/FROSTBITE.
Medical Cond Aggravated by Exposure:FUMES/GASES CAN BE DANGEROUS TO
YOUR HEALTH AND MAY CAUSE SERIOUS LUNG DISEASE.

First Aid:INGST:DONOT INDUCE VOMITING. CALL A PHYSICIAN IMMEDIATELY.
EYE:IMMEDIATELY FLUSHW/WATER FOR 15 MINUTES. CALL A PHYSICIAN.
SKIN:FLUSH W/WATER & WARM FROSTBITE AREA W/WARM WATER(NOT TO
EXCEED 105F). M ASSIVE EXPOSURE REMOVE CLOTHING WHILESHOWERING
W/WARM WATER. INHAL:REMOVE TO FRESH AIR. IF BREATHING HAS STOPPED
GIVEARTIFICIAL RESPIRATION;IF BREATHING IS DIFFICULT OXYGEN MAYBE
GIVEN.CALL PHYSICN

Flash Point Method:TCC
Flash Point:OF/-17.8C
Autoignition Temp:Autoignition Temp Text:***
Lower Limits:100
Upper Limits:2.3
Extinguishing Media:WATER SPRAY OF FOG
Fire Fighting Procedures:IMMEDIATELY COOL CONTAINERS W/WATER SPRAY FROM
MAXIMUM DISTANCE TO EXTINGUISH FLAMES.REMVOE IGNITION SOURCES IF
W/O RISK.EVACUATE ALL PERSONNEL FROM AREA.
Unusual Fire/Explosion Hazard:DONOT EXTINGUISH FLAMES DUE TO
POSSIBILITY OF EXPLOSIVE REIGNITION.CONTAINER MAYRUPTURE DUE TO
HEAT OF FIRE.FLAMMABLE VAPORS MAY SPREAD FROM LEAK.

Spill Release Procedures:REMOVE IGNITION SOURCES IF W/O RISK.REDUCE
VAPORS W/FOG OR WATER SPRAY.SHUT OFF LEAK IF W/O RISK. VENTILATE
AREA OF LEAK/MOVE LEAKING CONTAINER TO WELL VENTILATED
AREA.FLAMMABLE GAS MAY SPREAD FROM LEAK.EVACUATE ALL PERSONNEL FROM
DANGERAREA.

Handling and Storage Precautions:STORE/USE WITH ADEQUATE
VENTILATION.CLOSE VALVE WHEN NOT IN USE OR EMPTY.STORE IN COOL &
DRY PLACENEVER WORK ON A PRESSURIZED SYSTEM.
Other Precautions:DONOT STRIKE ARC ON CYLINDER.DONOT GROUND
CYLINDER.DONOT STORE NEAR OPEN FLAMES.EXPLOSIVE ATMOSPHERES MAY
LINGER. DONOT EXTINGUISH FLAMES DUE TO POSSIBILITY OF EXPLOSIVE
REIGNITION.

Respiratory Protection:USE RESPIRABLE FUME RESPIRATOR/AIR SUPPLIED
RESPIRATOR WHEN WORKING IN CONFINED SPACE OR WHERE LOCAL EXHAUST OR
VENTILATION DOES NOT KEEP EXPOSURE BELOW TLV.
Ventilation:USE ENOUGH VENTILATION,LOCAL EXHAUST OR BOTH TO KEEP FUMES
& GASES BELOW TLV.
Protective Gloves:WELDING GLOVES RECOMMENDED
Eye Protection:GOGGLW W/FILTER LENS
Other Protective Equipment:AS NEEDED WEAR HAND,HEAD, AND BODY
PROTECTION
Supplemental Safety and Health
NK

Boiling Pt:B.P. Text:NA
Vapor Pres:635 PSIG
Vapor Density:0.91
Spec Gravity:NA
Evaporation Rate & Reference:NA
Solubility in Water:SLIGHT
Appearance and Odor:COLORLESS GAS AT NORMAL TEMPERATURE AND PRESSURE
GARLIC LIKE ODOR
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:NO
COPPER,SILVER,MERCURY, OR THEIR ALLOYS,OXIDIZING
AGENTS,ACIDHALOGENS,MOISTURE/
Stability Condition to Avoid:AVOID USE AT PRESSURES ABOVE 15 PSIG.
Hazardous Decomposition Products:THERMAL DECOMPOSITION/BURNING MAY
PRODUCE CO/CO2H2. CARBON DIOXIDE/MONOXIDE.
Conditions to Avoid Polymerization:ELEVATED TEMPERATURE & PRESSURE OR
PRESENCE OF A CATALYST.

Waste Disposal Methods:PREVENT WASTE FROM CONTAMINATING SURROUNDING
AREA.DISCARD ANY PRODUCT,RESIDUE,DISPOSABLE CONTAINER/ LINER IN
FULL COMPLIANCE W/FEDERAL,STATE,OR 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.