Product ID:ACETYLENE
MSDS Date:04/01/1987
FSC:6830
NIIN:00-270-8216
MSDS Number: BHDGC

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 PULMONARY EDEMA,
ASPHYXIATION, AND DEATH.
Effects of Overexposure:INHALATION: ASPHYXIATION. MODERATE
CONCENTRATIONS OF VAPOR MAY CAUSE HEADACHE, DROWSINESS, DIZZINESS,
NAUSEA, VOMITING, EXCITATION, EXCESS SALIVATION, AND
UNCONSCIOUSNESS. LIQUID MAY CAUSE FROSTB ITE.

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

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 WITHOUT 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 IN COOL, DRY, WELL
VENTILATED AREA.STOREAWAY FROM SOURCES OF HEAT/IGNITION. STORE
FIRMLY SECURED AND UPRIGHT.

Respiratory Protection:USE RESPIRABLE FUME RESPIRATOR OR AIR SUPPLIED
RESPIRATOR WHEN WORKING IN CONFINED SPACE OR WHERE LOCAL
EXHAUST OR VENTILATION DOES NOT KEEP EXPOSURE BELOW TLV.
Ventilation:LOCAL EXHAUST- USE ENOUGH VENTILATION TO KEEP THE FUMES AND
GASES BELOW THE TLV'S IN THE 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 COMPOSITION PRO- DUCTS ORIGINATE FROM VOLITIZATION,
REACTION, & OXIDATION.
Conditions to Avoid Polymerization:ELEVATED TEMPERATURE AND PRESSURE
AND/OR THE PRESENCE OF A CATALYST.

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