Product ID:METHYLACETYLENE -PROPADIENE INHIBITED
MSDS Date:07/13/1973
FSC:6830
NIIN:00-569-3053
MSDS Number: BHZGM

DOW CHEMICAL U S A GOVERNMENT MARKETING

2020 DOW CENTER
MIDLAND, MI 48640-6030
US

Emergency Phone: 517-636-4400

Info Phone: 800-258-2436

Cage: 71981

DOW CHEMICAL U S A

MIDLAND, MI 48640 US

Telephone: 517-636-4400

Cage: 71981

METHYL ACETYLENE AND PROPADIENE

Fraction By Weight: 64-66%

OSHA PEL 1000 PPM

ACGIH TLV: 1000 PPM

HYDROCARBONS (C*3 AND C*4)

Fraction By Weight: 34-36%

SATURATED HYDROCARBONS C*4

Fraction By Weight: 8-12%

Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE:MAY CAUSE FROST-BITE TYPE
BURNS.NO OTHER PROBLEMS.
Explanation of Carcinogenicity:DATA PER MGF MSDS.
Effects of Overexposure:MAY CAUSE FROST-BITE TYPE BURNS.
Medical Cond Aggravated by Exposure:PRE-EXISTING CONDITIONS MAY BE
WORSEN.

First Aid:EYES AND SKIN:FLUSH WITH LARGE AMOUNT OF WATER FOR ABOUT
15-20 MINUTES;SEEK MEDICAL ATTENTION IMMEDIATELY.INHALATION:REMOVE
TO FRESH AIR;CALL A PHYSICIAN.INGESTION:SEEK MEDICAL ATTENTION
IMMEDIATELY.

Flash Point:-149F,-101C
Lower Limits:2.3
Upper Limits:10.8
Extinguishing Media:USE WATER FOG, CARBON DIOXIDE, FOAM, OR DRY
CHEMICAL OR STOP FLOW OF GAS.
Fire Fighting Procedures:FIRE FIGHTERS SHOULD USE NIOSH APPROVED SCBA &
FULL PROTECTIVE EQUIPMENT WHEN FIGHTING CHEMICAL FIRE. USE WATER
SPRAY TO COOL NEARBY CONTAINERS EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:FORMS EXPLOSIVE MIXTURE WITH AIR.

Spill Release Procedures:USE PROPER PERSONAL PROTECTION;REMOVE ALL
IGNITION SOURCES.VENTILATE THE AREA.CONSULT LOCAL AUTHORITIES.STOP
FLOW OF GAS IF POSSIBLE.

Handling and Storage Precautions:AVOID BREATHING VAPORS.GROUND ALL
EQUIPMENT.
Other Precautions:USE SCBA IN CASE OF LEAKS

Respiratory Protection:USE NIOSH/MSHA APPROVED SCBA IN AN ENCLOSED
AREA.
Ventilation:LOCAL/GENERAL TO MAINTAIN PEL/TLV.
Protective Gloves:AS REQUIRED
Eye Protection:SAFETY GLASSES/GOGGLES
Other Protective Equipment:PROTECTIVE CLOTHINGS
Work Hygienic Practices:AVOID CONTACT WITH EYES AND SKIN;DO NOT BREATHE
VAPORS/MIST.
Supplemental Safety and Health
FLAMMABLE GAS.STOP FLOW OF GAS IF POSSIBLE,USE AS DIRECTED.

HCC:G2
Boiling Pt:B.P. Text:-31F,-35C
Vapor Pres:5171
Vapor Density:1.51
Spec Gravity:0.582
Appearance and Odor:LIQUIFIED PETROLEUM GAS -MUSTY ODOR
Percent Volatiles by Volume:100.0

Stability Indicator/Materials to Avoid:YES
DO NOT USE COPPER OR COPPER ALLOYS OVER 67% COPPER
Stability Condition to Avoid:HIGH TEMPERATURES, SPARKS, AND OPEN FLAMES
Hazardous Decomposition Products:CO GAS(INCOMPLETE COMBUSTION)

Waste Disposal Methods:CONSULT LOCAL AUTHORITIES;DISPOSAL MUST BE IN
ACCORDANCE WITH LOCAL,STATE AND FEDERAL 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.