Product ID:ACETYLENE
MSDS Date:08/22/1989
FSC:6830
NIIN:00-264-6751
MSDS Number: BSCTX

Emergency Phone: 713-868-0302

Info Phone: 713-896-2140

Cage: 17688

Telephone: 713-896-2896;800-231-1366

Cage: 17688

ACETYLENE

CAS: 74-86-2

RTECS: AO9600000

Fraction By Weight: >99%

ACGIH TLV: ASPHYXIANT; 9192

>95 PPM PHOSPHINE, >3 PPM ARSINE, HYROGEN

Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE- ACETYLENE IS NON-TOXIC, BUT CAN
ACT AS A SIMPLE ASPHYXIANT. DEATH CAN OCCUR DUE TO LACK OF OXYGEN
IN AIR. CHRONIC: REPEATED EXPOSURES TO TOLERABLE LEVELS HAS NOT
SHOWN DELETERIOUS EFFECTS.
Explanation of Carcinogenicity:NONE OF THE INGREDIENTS IN THIS PRODUCT
IS LISTED BY NTP, IARC OR OSHA AS A CARCINOGEN.
Effects of Overexposure:RAPID RESPIRATION, DIZZINESS, HEADACHE,
POSSIBLE NAUSEA, UNCONSCIOUSNESS.
Medical Cond Aggravated by Exposure:INDIVIDUALS WITH A HISTORY OF
RESPIRATORY DISORDERS MAY BE AT INCREASED RISK FROM EXPOSURE.

First Aid:INHALATION: IMMEDIATELY MOVE VICTIM TO FRESH AIR. IF NOT
BREATHING, GIVE ARTIFICIAL RESPIRATION, PREFERABLY MOUTH-TO- MOUTH.
IF BREATHING IS DIFFICULT, GIVE OXYGEN. SEEK MEDICAL HELP.

Flash Point Method:CC
Flash Point:0F,-18C
Autoignition Temp:Autoignition Temp Text:565F
Lower Limits:2.5%
Upper Limits:80%
Extinguishing Media:USE CARBON DIOXIDE, DRY CHEMICAL OR WATER.
Fire Fighting Procedures:STOP GAS FLOW IF POSSIBLE. LET GAS TO CONSUME
ITSELF. USE WATER SPRAY TO COOL CYLINDERS. KEEP PERSONNEL AWAY.
EVACUATE TO A RADIUS OF 1500 FEET. WEAR SCBA.
Unusual Fire/Explosion Hazard:CYLINDERS MAY EXPLODE IN FIRE. CAN EASILY
REIGNITE WITH EXPLOSIVE FORCE.

Spill Release Procedures:REMOVE PERSONNEL. ELIMINATE IGNITION SOURCES.
VENTILATE AREA. WEAR PROTECTIVE CLOTHING AND SELF-CONTAINED
BREATHING APPARATUS. STOP LEAK IF SAFE TO DO SO.

Handling and Storage Precautions:STORE AND USE IN DRY, WELL VENTILATED
AREAS AWAY FROM SOURCES OF HEAT OR IGNITION. STORAGE AREA SHOULD
NOT EXCEED 130F.
Other Precautions:PROTECT CYLINDERS FROM PHYSICAL DAMAGE. DO NOT DRAG,
SLIDE OR ROLL CYLINDERS. DO NOT ALLOW FREE GAS TO EXCEED 15 PSI. DO
NOT HEAT CYLINDER BY ANY MEANS. STORE UPRIGHT FIRMLY SECURED. KEEP
VALVE PROTEC TION CAPS IN PLACE.

Respiratory Protection:NONE NORMALLY REQUIRED. IF ACETYLENE IS PRESENT
IN THE AIR USE POSITIVE PRESSURE AIR LINE RESPIRATOR OR
SELF-CONTAINED BREATHING APPARATUS.
Ventilation:MECHANICAL (GENERAL) AND/OR LOCAL EXHAUST VENTILATION TO
KEEP EXPOSURE LEVELS BELOW PEL. USE EXPLOSION-PROOF EQUIPMENT.
Eye Protection:SAFETY GLASSES OR GOGGLES.
Other Protective Equipment:SAFETY SHOES.
Work Hygienic Practices:DO NOT SMOKE WHILE WORKING WITH THIS PRODUCT.
Supplemental Safety and Health
PURE ACETYLENE CAN IGNITE BY DECOMPOSITION ABOVE 15 PSI. POST NO
SMOKING/NO OPEN FLAMES SIGNS IN STORAGE OR USE AREA.

HCC:G2
Boiling Pt:B.P. Text:-103F,-75C
Vapor Pres:650 PSIA
Vapor Density:<1
Spec Gravity:0.906
Evaporation Rate & Reference:GAS
Solubility in Water:SLIGHTLY SOLUBLE
Appearance and Odor:COLORLESS GAS, ETHEREAL OR GARLIC-LIKE ODOR.
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:NO
OXYGEN, OTHER OXIDIZERS SUCH AS HALOGEN, HALOGEN COMPOUNDS. COPPER,
MERCURY, SILVER, BRASSES, FORMS EXPLOSIVE COMPOUNDS.
Stability Condition to Avoid:DO NOT ALLOW PRESSURE TO EXCEED 15 PSI. DO
NOT EXPOSE CYLINDER TO SUDDEN SHOCK OR HEAT.
Hazardous Decomposition Products:CARBON MONOXIDE AND HYDROGEN.

Waste Disposal Methods:DO NOT ATTEMPT TO DISPOSE OF RESIDUAL OR UNUSED
QUANTITIES. RETURN PROPERLY LABELED DCYLINDERS, WITH ANY VALVE
OUTLET PLUGS OR CAPS SECURED AND VALVE PROTECTION CAP IN PLACE TO
MANUFACTURER.

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.