Product ID:ACETYLENE
MSDS Date:04/01/1987
FSC:6830
NIIN:00-270-8217
MSDS Number: BHDGH

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:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:SOME TOXIC GASES ASSOCIATED WITH
WELDING AND RELATED PROCESSES MAY CAUSE PULMON-ARY EDEMA,
ASPHYXIATION, AND DEATH.
Effects of Overexposure:INHALATION: ASPHYXIATION. MODERATE
CONCENTRATIONS OF VAPOR MAY CAUSE HEADACHE, DROWSINESS, DIZZINESS,
NAUSEA, VOMITING, EXCITATION, EXCESS SALIVATION, AND UN-
CONSCIOUSNESS. LIQUID MAY CAUSE FROSTBIT E.

First Aid:SKIN: FLUSH WITH WATER AND WARM FROSTBITE AREA WITH WARM
WATER,NOT HOT. IN CASE OF MASSIVE EXPOSURE, REMOVE CLOTHING WHILE
SHOWERING WITH WARM WATER. CALL A PHYSICIAN. INHALATION: REMOVE
TO FRESH AIR. IF BREATHING HAS STOPPED GIVE CPRAND SUPPLEMENTAL
OXYGEN; CALL A PHYSICIAN. EYES: IMMEDIATELY FLUSH EYES THOROUGHLY
WITH WATER FOR AT LEAST 15 MIN. SEE OPTHAMOLOGIST. IF SWALLOWED
INDUCE VOMIT.

Flash Point Method:TCC
Flash Point:-17C/0F
Autoignition Temp:Autoignition Temp Text:*BELOW
Lower Limits:2.3%
Upper Limits:100%
Extinguishing Media:EVACUATE AREA. IMMEDIATELY COOL CONTAINERS WITH
WATER SPRAY.REMOVE IGNITION SOURCES.ALLOW FIRE TO BURN OUT.
Fire Fighting Procedures:IF FLAMES ARE ACCIDENTALLY EXTINGUISHED,
EXPLOSIVE RE-IGNITION MAY OCCUR. STOP FLOW OF GAS IF W/O RISK
WHILE CONTINUING COOLING WATER SPRAY.
Unusual Fire/Explosion Hazard:FORMS EXPLOSIVE MIXTURES WITH AIR AND
OXIDIZING AGENTS. CONTAINER MAY RUPTURE DUE TO HEAT OF FIRE. DO
NOT EXTINGUISH FLAMES DUE TO EXPLOSIVE RE-IGNITION.

Spill Release Procedures:EVACUATE AREA. USE PROTECTIVE EQUIP. REMOVE
ALL SOURCES OF IGNITION & SHUT OFF LEAK IF W/O RISK. VENTILATE
AREA OF LEAK OR MOVE LEAKING CONTAINER TO WELL-VENTILATED AREA.

Handling and Storage Precautions:STORE/USE WITH ADEQUATE
VENTILATION.STORE AWAY OF SOURCES OF HEAT/IGNITION.STORE IN COOL,
DRY AREA. STORE FIRMLY SECURED AND UPRIGHT.

Respiratory Protection:USE RESPIRABLE FUME RESPIRATOR OR AIR SUPPLIED
RESPIRATOR WHEN WORKING IN CON- FINED SPACE OR WHERE LOCAL EXHAUST
OR VENTILATION DOESN'T KEEP EXPOSURE BELOW TLV.
Ventilation:LOCAL EXHAUST - USE ENOUGH VENTILATION TO KEEP THE FUMES
ANDGASES BELOW THE TLV'S IN WORKERS BREATHING ZONE.
Protective Gloves:WELDING GLOVES
Eye Protection:GOGGLES WITH FILTER LENS
Other Protective Equipment:AS NEEDED, WEAR HAND, HEAD AND BODY
PROTECTION.
Supplemental Safety and Health
NK

Vapor Pres:635 PSIG
Vapor Density:0.91
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, ACIDS,
HALOGENS, MOISTURE.
Stability Condition to Avoid:STABLE AS SHIPPED. AVOID PRESSURES ABOVE
15 PSIG.
Hazardous Decomposition Products:CARBON MONOXIDE AND CARBON DIOXIDE.
OTHER DECOMPOSITION PRO-DUCTS ORIGINATE FROM
VOLATILIZATION/REACTION/OXIDATION.
Conditions to Avoid Polymerization:ELEVATED TEMPERATURE AND PRESSURE
AND/OR THE PRESENCE OF A CATALYST.

Waste Disposal Methods:PREVENT WASTE FROM CONTAIMINATING SURROUNDING
ENVIRONMENT. KEEP PERSONNEL AWAY. DISCARD ANY PRODUCT,
RESIDUE, DISPOSABLE CONTAINER OR LINER INAN ENVIRONMENTALLY
ACCEPTABLE MANNER, IN FULL COMPLIANCE WITH FEDERAL, STATE &
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.