AIR PRODUCTS AND CHEMICALS INC. -- ACETYLENE, ETHYNE, ETHINE -- 6830-00-292-0138 
=====================  Product Identification  =====================

Product ID:ACETYLENE, ETHYNE, ETHINE
MSDS Date:06/01/1990
FSC:6830
NIIN:00-292-0138
=== Responsible Party ===
Company Name:AIR PRODUCTS AND CHEMICALS INC.
Address:7201 HAMILTON BLVD
City:ALLENTOWN
State:PA
ZIP:18195-1501
Country:US
Info Phone Num:215-481-4911
Emergency Phone Num:800-523-9374/800-322-9092(IN PA)
CAGE:00742
=== Contractor Identification ===
Company Name:AIR PRODUCTS AND CHEMICALS INC
Address:7201 HAMILTON BLVD
Box:City:ALLENTOWN
State:PA
ZIP:18195-1501
Country:US
Phone:800-345-3148/ 800-752-1597
CAGE:00742

=============  Composition/Information on Ingredients  =============

Ingred Name:ACETYLENE
CAS:74-86-2
RTECS #:AO9600000
Other REC Limits:NONE RECOMMENDED
ACGIH TLV:ASPHYXIANT; 9394

=====================  Hazards Identification  =====================

Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACETYLENE:SIMPLE
    ASPHYXIANT,IRRIT,ANESTHETIC.NO EXPERIMENTAL DATA OF CHRONIC HARMFUL
    EFFECTS.HEAD,DIZZ,SHORTNESS OF BREATH,LOSS OF CONSC IF PRESENT IN
    AMTS SUFFICIENT TO DILUTE OXY CONC.ANOXIA OCCUR W HEN CONC W/IN
    FLAMM RANGE & NOT IGNITED.
Explanation of Carcinogenicity:PER MSDS:NOT LISTED AS CARCINOGEN BY
    NTP/IARC/OSHA.
Effects of Overexposure:ASPHYXIANAT, IRRITANT, ANESTHETIC. HEADACHE,
    DIZZINESS, SHORTNESS OF BREATH, LOSS OF CONSCIOUSNESS. ANOXIA.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

=======================  First Aid Measures  =======================

First Aid:1ST DEG/MINOR DEGREEE THERMAL BURNS FROM FIRES SHOULD BE
    IMMERSED IN COOL WATER 30MINS.MAJOR 2ND/3RD DEGREE BURNS SHOULD BE
    COVERED IN CLEANEST MATL AVAILABLE.SEEK IMMED AID OF
    PHSYICIAN.PERSONS SUFFE RING FROM LACK OF OXY SHOULD BE MOVED TO
    AREAS W/NORMAL ATM.ASSISTED RESP & SUPPLEMENTAL OXY SHOULD BE GIVEN
    IF VICTIM NOT BREATHING.

=====================  Fire Fighting Measures  =====================

Flash Point Method:CC
Flash Point:0F,-18C
Autoignition Temp:Autoignition Temp Text:581F
Lower Limits:2.5 @1ATM
Upper Limits:100 @1ATM
Extinguishing Media:CARBON DIXOIDE, DRY CHEMICAL, HALON. (NOTE HALON IS
    AN ODS.) ELECTRICLA CLASSIFICATION:CLASS I, GROUP A.
Fire Fighting Procedures:STOP GAS FLOW.FIGHT FIRE CONVENTIONALLY.KEEP
    FIRE-EXPO CNTNR/CYL W/WATERSPRAY.KEEP PEOPLE WELL AWAY SINCE CNTNRS
    CAN RUPTURE VIOLENTLY.
Unusual Fire/Explosion Hazard:EXTREMELY FLAMM/EXPLO.MAY DECOMPOSE VIO
    IN FREE STATE UNDER PRESSURE >15PSIG.BURNS W/INTENSELY HOT
    FLAME.POT EXPLO HAZ FRM REIGN IF FIRE EXT W/O GAS OFF.(SUPP)

==================  Accidental Release Measures  ==================

Spill Release Procedures:VENTILATE AREA-PREVENTS FLAMM MIXTURES.REMOVE
    IGN SOURCE/HEAT/SPARKS/ETC.AVOID ENTERING AREA OF FLAMM
    ATM.CAREFULLY REMOVE CYL W/SLOW LEAKS TO REMOTE,OUTDOOR
    LOCATION.CONTACT AIR PRODUCTS FOR ASSISTAN CE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

======================	Handling and Storage  ======================

Handling and Storage Precautions:DO NOT ENTER AREAS W/IN FLAMM RANGE
    DUE TO IMMED FIRE/EXPLO HAZ.USE IN WELL VENTI AREAS.GAS UNDER
    PRESSURE-HANDLE W/CARE,USE REDUCING REG @,15PSIG.
Other Precautions:USE SUITABLE FLAMM GAS METER(EXPLOSIMETER)CALIBRATED
    FOR H2C2 TO MEASURE CONC OF GAS IN AIR.SEE COMPRESSED GAS ASSOC SAF
    BULLETIN SB-4.OPEN/CLS GY SLOWLY.USE SUITABLE HAND TRUCK.KEEP AWAY
    FROM HEAT/IG N SOURCE/ETC.FOLLOW ALL SAF CYL PRACTICE

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:OXYGEN-DEFICIENT ATMOSPHERS ARE IN THE FLAMMABLE
    RANGE. DO NOT ENTER. AIR PRUIFYING RESPIRATORS WILL NOT FUNCTION.
Ventilation:NATURAL/MECH WHERE GAS IS PRESENT.LOC
    EXHAU/MECH(GEN)/OTHER:AS NECESSARY.MECH VENTI FOR ENCLSD STROAGE
    AREAS MUST (SUPP)
Protective Gloves:LEATHER-CYL HANDLE;WELDERS-WELD/CUTTING
Eye Protection:SAFT GLASS;WELDER GOGG, ETC FOR WELDING
Other Protective Equipment:LEATHER SLEEVES & APRON,OTHER STD PROT EQMPT
    FOR CUTING/WELDING.
Work Hygienic Practices:CONSULT COMPRESSED GAS ASSOC PAMPHLET P-1 &
    NFPA STD #51.
Supplemental Safety and Health
FIRE/EXPLO HAZ:IGNITES VERY EASILY DUE TO LOW MIN IGN ENERGY;VERY WIDE
    FLAMM LIMITS.ACETYLENE GAS HAS APPROXIMATE SPEC GRAVITY OF 1.0 &
    TENDS TO STAY IN POCKETS RATHER THAN DISSIPATE. VENTI:MEET NAT E
    LECTRICAL CODE REQMTS FOR CLASS 1 GROUPA.

==================  Physical/Chemical Properties  ==================

HCC:G2
Boiling Pt:B.P. Text:-119F,-84C
Melt/Freeze Pt:M.P/F.P Text:-113F,-81C
Vapor Pres:62F @16.8C
Vapor Density:0.0681
Spec Gravity:0.906 @20C
Appearance and Odor:PURE C2H2 COLORLESS/ODORLESS.IMPURITIES IN CARBIDE
    GENERATED C2H2 GARLIC ODOR.

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:NO
OXIDIZERS(OXY,HALOGENS);FORMS EXPLO CMPDS W/COPPER,BRASS,COPPER
    SALTS,MERCURY,MERCURY SALTS,K,SILVER,SILVER SALTS,HNO3.
Stability Condition to Avoid:NEVER UTILIZE FREE GAS OUTSIDE CYL @PRESS
    >15PSIG.AVOID MECHANICAL SHOCKS TO CNTNR.NEVER EXPO CYL/GAS SYS TO
    HEAT SOURCE
Hazardous Decomposition Products:ACETYLENE WILL DECOMPOSE INTO
    ELEMENTAL CARBON & HYDROGEN UNDER THE ABOVE CONDITIONS.

====================  Disposal Considerations  ====================

Waste Disposal Methods:DO NOT ATTEMPT TO DISPOSE OF RESIDUAL GAS IN
    CYLINDERS. RETURN CYLINDERS TO AIR PRODUCTS FOR DISPOSAL. ACETYLENE
    PACKED IN DOT SPECIFICATIONS 8 OR 8AL CYL W/POROUS FILLER STURATED
    W/ACETONE. FULL CYL  SHOULD NOT EXCEED 250PSIG @70F.

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