Product ID:ACETYLENE
MSDS Date:08/01/1989
FSC:6830
NIIN:00-286-5434
MSDS Number: CBSZK

Emergency Phone: 518-377-8854

Info Phone: 518-377-8854

Preparer: PJ IGOE, BS

Cage: 5Z768

Telephone: 518-377-8854

Cage: 5Z768

ACETYLENE

CAS: 74-86-2

RTECS: AO9600000

Fraction By Weight: 100%

ACGIH TLV: ASPHYXIANT; 9596

IMPURITIES(CARBON

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:SIMPLE ASHYXIANT.DOESN'T CAUE
SIGNIFICATN PHYSIOLOGICAL RESPNSES.CAN DISPLACE MIN REQUIRED ATM
OXY LEVEL.COMPRESSED/LIQ FORM MAY CAUE FROSTBITE UPON DIRECT SKIN
CONTACT.OTHER WORK PROCESSES WHICH USE
ACETYLENE(CUT/WELD/SOLDER)MAY PRESENT DIFFERENT HEALTH HAZ SUCH AS
GENERATIN OF TOXI CCO & METAL OXIDE FUMES.
Explanation of Carcinogenicity:PER MSDS:NEITHER NTP/IARC/OSHA LISTS
ACETYLENE AS CARCINOGEN.
Effects of Overexposure:INITIAL SYMPTOMS OF SIMPLE ASPHYXIANT:RAPID
RESP/AIR HUNGER,DIMINISHED MENTAL ALERTNESS,IMPAIRED MUSCULAR
COORDINATION.CONT LACK OF OXY:FAULTY JUDNEMENT,DEPRESS OF ALL
SENSATIONS,RAPID FTG,EMOTIONAL I
NSTABILIYT,NAU,VOMIT,PROSTRATION,UNCONSC,CONVULSIONS,COMA,DEATH.
Medical Cond Aggravated by Exposure:COMPRESSED OR LIQ FORM MAY CAUSE
FROSTBITE UPON DIRECT SKIN CONTACT. TARGET ORGANS:NONE REPORTED.

First Aid:INHAL:RESCUERS NEED TO PROTECT THEMSELVES W/APPROPRIATE
PPE.SEEK IMMED MED ASSIST.GIVE 1STAID TO VICTIM.

Flash Point Method:CC
Flash Point:0F,-18C
Autoignition Temp:Autoignition Temp Text:335C
Lower Limits:2.5
Upper Limits:80
Extinguishing Media:TREAT FIRE SITUATION INVOLVING RAPIDLY
ESCAPING/BURNING ACETYLENE AS EMERG.SHUT OF SOURCE.
Fire Fighting Procedures:COOL FIRE-EXPO CNTNR/PROTECT PERSON
W/H2OSPRAY.DUE TO FLAMM/EXT EXPLO RANGE BEST TECHNIQUE MAY BE
SIMPLY LET BURNING GAS ESCAPE.WEAR SCBA W/FULL FCPIECE IN(SUP)
Unusual Fire/Explosion Hazard:NEVER EXTINGUISH FIRE W/O 1ST
LOCATING/SEALING LEAK-LEAK GAS COULD EXPLO REIGN MORE DMG/INJURIES
THATN ORIGINAL FIRE.

Spill Release Procedures:DESING/PRACT SCCP.INPLEMENT SCCP.NOTIFY SAF
PERSONN,ELIMINATE HEAT/IGN SOURCES,EVACUATE UNNECESSARY
PERSON,PROVIDE MAX EXPLO-PROOF VENTI.USE H2OSPRAY TO STOP LEAK.LG
RELEASE CAN RESULT IN SPECTACULAR EXPLO.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN CLS/PRESS CYL/TK/ETC IN COOL
DRY WELL VENT FIREPROOF AREA AWAY FROM ALL IGN SOURCE/INCOMP
CHEM.PROTECT FRM PHYS DMG/DIRECT SUNLITE.GROUND/BON
Other Precautions:PURE ACETYLENE UNDER PRESSU DECOMP VIOL-FORMS C/H IF
HEAT/SHOCK.NEVER USE PRESSURES >15PSIG FOR FREE ACETYLENE W/O SPEC
ENGINEER DESING.<15PSIG FREE ACETYLEN CYL/ACETYLENE IN ACETONE CYL
STABLE.DON'T USE LIQ/SOL ACETYLENE-SEVERE INSTABILITY

Respiratory Protection:FOLLOW OSHA RESP
REGS(29CFR1910.134).EMERG/NONROTINE(SPILL,CLEAN)WEAR
SCBA.AIR-PURIFY RESP DON'T PROT WORKERS IN OXY-DEF ATM.
Ventilation:PROVIDE GENE/LOC EXPLO-PROOF VENTI SYS TO MAINTAIN AIRBORNE
CONE @2500PPM,10% OF 2.5% V/VLEL.LOC EXHAUST PREFER.
Protective Gloves:NONE SPECIFIED BY MANUFACTURER.
Eye Protection:PROT EYEGLASSES,CHEM SAF GOGG(29CFR.133)
Other Protective Equipment:EMERG EYEWASH STATIONS,SAFETY/QUICK-DRENCH
SHOWERS,WASHING FAICLITIES,FIRE EXTING,OXY BTL EMERG 1STAID IN
WORKAREA.
Work Hygienic Practices:NEVER WEAR CONTACT LENSES.LAUNDER CONTAMIN
CLOTH BEF REUSE.
Supplemental Safety and Health
ODOR:DISAGREEABLE,GARLIC-LIKE ODOR DUE TO PHOSPHINE OR ARSINE
IMPURITIES. FIREFIGHT:OPERATED IN PRESS-DEMAND/POS-PRESS MODE.
STABILITY:ACETYLENE INVOLVE INTENSELY HOT,SOOTY FLAME.
INCOMPAT:CESIUM HYDR IDE,CO,CU SALTS,I,HNO3,K,RUBIDIUM HYDRIDE.

HCC:G2
Boiling Pt:B.P. Text:-119F,-84C
Melt/Freeze Pt:M.P/F.P Text:NP
Vapor Pres:NP
Vapor Density:0.91
Spec Gravity:NP
Evaporation Rate & Reference:D
Solubility in Water:SLIGHT.
Appearance and Odor:COLORLESS GAS.PURE ACETYLENE-SLIGHT PLEASANT
ETHEREAL ODOR;COMMER GRADE-(SUPPLE

Stability Indicator/Materials to Avoid:NO
FORMS EXPLO CMPD W/AG/HG/CU-AVOID CONTACT IN TRANSMISSIONS SYS.CHLORINE
GAS.OXY,FL,FL IN SUNLIGHT EXPLO.BRASS,BR,(SUPPL)
Stability Condition to Avoid:NEVER EXPO TO IGN SOURCES.PREVENT
ACCIDENTAL/UNCNTRL RAPID RELEASE FROM HI PRESSURE
CYL/ETC.OPERATIONS W/BURNING (SUPPL)
Hazardous Decomposition Products:THERM OXI DEGRAD PROD CO2,TOXIC
CO.OTHER PROD POSSIBLE DEPENDING UPON ACETYLENE'S EXACT
COMPOSITION.

Waste Disposal Methods:CONTACT SUPPLIER/LIC CONTRACTOR FOR DETAILED
RECOMMENDATIONS.FOLLOW APPLICABLE FED/STATE/LOC REGS.REMOVE
LEAK/DEFECT CYL TO SAFE,OUTSIDE,POSTED,DISCHARGE LOCATION.WHEN
EMPTIED RETURN TO SUPPLIER PROPE RLY TAG/LABEL/STENCILED
MT/DEFECTIVE.

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particular situation.