Product ID:ACETYLENE, ETHYNE, ETHINE
MSDS Date:07/10/1986
FSC:6830
NIIN:00-264-6751
MSDS Number: BHDFL

Emergency Phone: 1-800-322-9092

Info Phone: 215-481-4911

Cage: 5H199

Cage: 5H199

NO INGREDIENT FOR THIS FORMULATION_INGREDIENT

Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Explanation of Carcinogenicity:ACETYLENE IS A SIMPLE ASPHYXIANT AND HAS
NO TLV.
Effects of Overexposure:HEADACHES, DIZZINESS, SHORTNESS OF BREATH, &
LOSS OF CONSCIOUSNESS MAY OCCUR IF THE GAS IS PRESENT IN QUANTITIES
SUFFICIENT TO DILUTE THE OXYGEN IN AIR.SYMPTOMSOF ANOXIA OCCUR ONLY
WHEN THE GAS CONCEN TRATIONS ARE WITHIN THE FLAMMABLE RANGE&
MIXTURE HAS NOT IGNITED.

First Aid:FIRST/SECOND DEGREE THERMAL BURNS FROM FIRES SHOULD BE
IMMERSED IN COOL WATER FOR 30 MINUTES.MAJOR SECOND/THIRD DEGREE
BURNS SHOULD BE COVERED W/CLEANEST MATLAVAILABLE.PERSONS SUFFERING
FROM LACK OF OXYGEN SHOULD BE MOVED TO AREAS WITHNORMAL
ATMOSPHERE. ASSISTED RESPIRATION/SUPPLEMENTAL OXYGEN SHOULD BE
GIVEN IF THE VICTIM IS NOT BREATHING. SEEK IMMEDIATE AID OF A
PHYSICIAN.

Flash Point Method:CC
Flash Point:0F / -18C
Autoignition Temp:Autoignition Temp Text:***
Lower Limits:2.5
Upper Limits:100
Extinguishing Media:CARBON DIOXIDE, DRY CHEMICAL, HALON
Fire Fighting Procedures:USE WATER SPRAY TO KEEP CYLINDERS OR OTHER
CONTAINERS COOL IF EXPOSED TO FIRE. KEEP PERSONNEL AWAY SINCE
CONTAINERS CAN RUPTURE VIOLENTLY WHEN EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:POTENTIAL EXPLOSION HAZARD EXISTS FROM
REIGNITION IF FIRE IS EXTINGUISHED W/O SHUTTING OFF SOURCE. IT
BURNS WITH AN INTENSELY HOT FLAME.

Spill Release Procedures:VENTILATE AREA TO PREVENT FLAMMABLE MIXTURE
FROM FORMING.REMOVE SOURCES OF IGNITION,HEAT,SPARKS, ETC.. AVOID
ENTERING AREA OF FLAMMABLE ATMOSPHERE.CAREFULLY REMOVE CYLINDERS
W/SLW LEAKS TO A REMOTE OUTDOOR LOCATION. CONTACT AIR PRODUCTS FOR
ASSIST.

Handling and Storage Precautions:USE SUITABLE HNDTRUCK.ALWAY OPEN/CLS
VALVES SLOWLYSTORAGE SHOULD NOT BE IN HEAVY TRAFFIC AREAS.STOR AGE
AREA SHOULD BE FREE OF COMBUSTIBLE MATERIAL.
Other Precautions:SEGREGATE FULL/EMPTY CYLINDERS. KEEP ACETYLENE
CYLINDERS STORAGE AWAY FROM THE STORAGE OF OXYGEN/OTHER
OXIDIZERS.CYLINDERS SHOULD BE STORED/USED IN AN UPRIGHT
POSITION.AVOID HAZARDOUS MIXTURES & SOUR CE OF IGNT.DONOT
DRAG,ROLL,SLIDE CONTNR.

Respiratory Protection:OXYGEN DEFICIENT ATMOSPHERS ARE IN THE FLAMMABLE
RANGE. DO NOT ENTER.RESPIRATORSWILL NOT FUNCTION.
Ventilation:NATURAL OR MECHANICAL WHERE GAS IS PRESENT
Protective Gloves:LEATHER WORK GLOVES/WELDERS GLOVES
Eye Protection:SAFETY GLASSES/WELDERS GOGGLES.
Other Protective Equipment:LEATHER SLEEVES,LEATHER APRON
Supplemental Safety and Health
NK

HCC:G3
Boiling Pt:B.P. Text:**SEE BELOW
Vapor Pres:590 PSIA
Vapor Density:1ATM.0681
Spec Gravity:1 ATM 0.906
Solubility in Water:1ATM1.0CUFT/CUFTH2O
Appearance and Odor:PURE: COLORLESS,ODORLESS; IMPURITIES IMPART A
CHARACTERISTIC OF GARLIC LIKE ODO

Stability Indicator/Materials to Avoid:NO
OXYGEN,HALOGENS. FORMS EXPLOSIVE COMPOUNDS W/COPPER,BRASS, COPPER
SALT,HG/HG SALTS,K,AG/AG SALTS, & HNO3.
Stability Condition to Avoid:AVOID MECHANICAL SHOCKS TO CONTAINERS OF
ACETYLENE. NEVER EXPOSE CYLINDERS OR ACETYLENE SYSTEMS TO SOURCES
OF HEAT.
Hazardous Decomposition Products:ACETYLENE WILL DECOMPIOSE INTO
ELEMENTAL CARBON AND HYDROGENUNDER THE ABOVE CONDITIONS.

Waste Disposal Methods:DONOT ATTEMPT TO DISPOSE OF RESIDUAL GASEOUS
ACETYLENE IN CYLINDERS. RETURN TO AIR PRODUCTS FOR DISPOSAL.

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.