Product ID:ACETYLENE
MSDS Date:04/01/1992
FSC:6830
NIIN:00N051138
MSDS Number: BVKPT

Info Phone: 215-766-8861

Cage: 51847

Telephone: 215-766-0416

Cage: 51847

ACETYLENE

CAS: 74-86-2

RTECS: AO9600000

Fraction By Weight: 100%

OSHA PEL N/K

ACGIH TLV: SIMPLE ASPHYXIANT

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: MIXT IS A SIMPLE ASPHY BY
DISPLACING AIR NEC FOR LIFE. SYMPS INCL RAPID RESP, MUSCULAR
INCOORD, FATG, NAUS & VOMIT, & UNCONSCIOUSNESS. HAS ANESTH
PROPERTIES. SYMPS OF EXPOS MAY INCL MILD GASTRI C SYMPS, DIZZ,
MENTAL CONFUSN, EMOTIONAL INSTABILITY, AND MYCARDIAL SENSIT.
CHRONIC: BRONCH, STOM ULCERS.
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NONE KNOWN.

First Aid:INHAL: IMMED REMOVE TO FRESH AIR. IF BRTHG HAS STOPPED, GIVE
ARTF RESP. IF BRTHG IS DIFFICULT, GIVE OXYGEN. SKIN: IMMED FLUSH
WITH COPIOUS AMTS OF WATER FOR @ LST 15 MIN WHILE REMOVING CONTAMD
CLTHG. EYE: IMMED FLUSH W/COPIOUS AMTS OF WATER FOR @ LST 15
MINUTES. INGEST:CALL MD IMMEDIATELY .

Flash Point Method:CC
Flash Point:32.0F,0.0C
Lower Limits:2.5%
Upper Limits:100%
Extinguishing Media:CARBON DIOXIDE, WATER SPRAY, DRY CHEMICAL.
Fire Fighting Procedures:NIOSH/MSHA APPRVD SCBA & FULL PROT EQUIP.
FORMS EXPLOS MIXT W/AIR. STAY UPWIND. STOP FLOW OF GAS IF THIS CAN
BE DONE SAFELY. USE WATER SPRAY TO (SUPDAT)
Unusual Fire/Explosion Hazard:MODERATE WHEN EXPOSED TO HEAT AND FLAME.
AT HIGH PRESSURE, MAY DECOMPOSE EXPLOSIVELY. EMITS TOXIC FUMES
UNDER FIRE CONDITIONS.

Spill Release Procedures:EVAC AND VENTILATE AREA. REMOVE SOURCES OF
IGNITION. REMOVE LEAKING CYLINDER TO EXHAUST HOOD/SAFE OUTDOORS
AREA IF THIS CAN BE DONE SAFELY. STOP LEAK IF THIS CAN BE DONE
SAFELY.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:DISCHARGE @ <15PSIG. USE ONLY
ACETYLENE REGULATORS. DO NOT STORE CYL NEAR AN OPEN FLAME/OTHER
IGNIT SOURCES. STORE IN WELL VENTD AREAS ONLY.
Other Precautions:KEEP VALVE PROT CAP ON CYL WHEN NOT IN USE & SECURE
CYL WHEN USING TO PROTECT FROM FALLING. USE SUITABLE HAND TRUCK TO
REMOVE CYL. HIGHLY FLAMM. DO NOT EXPOSE TO HEAT/FLAME. PROTECT
CONTRS FROM PHYSIC AL DAM. DO NOT DEFACE CYL/LBLS.(SUPDAT)

Respiratory Protection:USE A NIOSH/MSHA APPRVD SCBA IN CASE OF
EMERGENCY/NON-ROUTINE USE.
Ventilation:PROVIDE ADEQUATE GENERAL AND LOCAL EXHAUST VENT TO MAINTAIN
CONC BELOW EXPOS LIM.
Protective Gloves:LEATHER GLOVES.
Eye Protection:ANSI APPVD SFTY GLASSES .
Other Protective Equipment:SAFETY SHOES.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
FIRE FIGHT PROC: KEEP FIRE EXPOSED CYL COOL. EXTING ONLY IF FLOW CAN BE
STOPPED. OTHER PREC: MOVE CYL W/ADEQUATE HAND TRUCK. CYL SHOULD BE
REFILLED BY QUALIFIED PRODUCERS OF COMPRESSED GASES. SHIPMENT OF A
COMPRESSED GAS CYL WHICH HAS NOT BEEN FILLED BY OWNER/W/HIS WRITTEN
CONSCENT IS A VIOLATION OF FED LAW (49 CFR).

Boiling Pt:B.P. Text:-103F,-75C
Vapor Pres:43.21@20C
Vapor Density:0.906
Spec Gravity:1.1747(H*2O=1)
Evaporation Rate & Reference:GAS
Solubility in Water:0.94@25C
Appearance and Odor:COLORLESS GAS WITH ETHEREAL ODOR
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
COPPER, BRASS, COPPER SALTS, HG, HG SALTS, K, AG, AND SILVER SALTS,
HALOGENS, RBH, CSH, HNO*3, NAH, OXIDIZERS.
Stability Condition to Avoid:MAY DECOMPOSE EXPLOSIVELY AT ELEVATED
TEMPS AND PRESSURES.
Hazardous Decomposition Products:OXIDES OF CARBON.

Waste Disposal Methods:RETURN CYLINDERS TO SUPPLIER FOR PROPER DISP
WITH ANY VALVE OUTLET PLUGS OR CAPS SECURED AND VALVE PROTECTION
CAP IN PLACE. DISPOSE OF I/A/W FEDERAL, STATE AND LOCAL 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.