Product ID:METHANE, G-56
MSDS Date:08/09/1989
FSC:6830
NIIN:00N062318
MSDS Number: BYTYY

AIRCO

575 MOUNTAIN AVENUE
MURRAY HILL, NJ 07974
US

Emergency Phone: 800-424-9300(CHEMTREC)

Info Phone: 201-464-8100

Cage: AIRCO

AIRCO INC, AIRCO INDUSTRIAL GASES DIV.

MURRAY HILL, NJ 07974-2006 US

Telephone: 800-424-9300(CHEMTREC)

Cage: 00741

METHANE

CAS: 74-82-8

RTECS: PA1490000

Fraction By Weight: 100%

OSHA PEL N/K

ACGIH TLV: ASPHYXIANT

OINTMENT/OIL INTO EYES W/OUT MED ADVICE! IN

RTECS: 9999999ZZ

EVAPORATING LIQ, DO NOT WASH EYES W/HOT/EVEN TEPID

RTECS: 9999999ZZ

EYELIDS WIDE TO ALLOW LIQUID TO EVAP. IF PAIN IS

RTECS: 9999999ZZ

& FOLLOW UP. IF VICTIM CANNOT TOLERATE LIGHT,

RTECS: 9999999ZZ

CALL MD IMMEDIATELY.

RTECS: 9999999ZZ

REPAIRS. IF LEAK IS IN CNTNR/CNTNR VALVE, CONT

RTECS: 9999999ZZ

RATE OF PROD FROM CYLINDER. USE CHECK

RTECS: 9999999ZZ

CYLINDER. PROT CYLINDERS FROM PHYSICAL DMG. STORE IN

RTECS: 9999999ZZ

AWAY FROM HEAVILY TRAFFICKED AREAS & EMERGENCY

RTECS: 9999999ZZ

EXCEED 130F. CYLINDERS SHOULD BE STORED UPRIGHT &

RTECS: 9999999ZZ

"FIRST IN-FIRST OUT" INVENTORY SYSTEM TO PREVENT

RTECS: 9999999ZZ

OF TIME. FOR ADDTNL STOR RECOM, CONSULT COMPRESSED

RTECS: 9999999ZZ

SB-2. METHANE IS NON-CORR & MAY BE USED W/ANY

RTECS: 9999999ZZ

EQUIP ASSOC W/HYDROGEN SYS. ELEC EQUIP SHOULD BE

RTECS: 9999999ZZ

WHICH HAS NOT BEEN FILLED BY OWNER/W/HIS (WRITTEN)

RTECS: 9999999ZZ

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHAL:SIMPLE ASPHY. O*2 LEVELS SHOULD
BE MAINTAINED AT >18 MOLAR PERCENT AT NORM ATM PRESS WHICH IS EQUIV
TO PARTIAL PRESS OF 135 MM HG. HIGH CONC OF GAS SO AS TO EXCLUDE AN
ADEQ SUPPLY OF O*2 TO LUNG S CAUSES DIZZ, DEEPER BRTHG DUE TO AIR
HUNGER, POSS NAUS & EVENTUAL UNCON. METHANE IS RELATIVELY (EFTS OF
OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HA: INACTIVE BIOLOGICALLY & ESSENTIALLY
NONTOX; THEREFORE, MAJOR HAZ IS EXCLUSION OF ADEQ SUPPLY OF O*2 TO
LUNGS. SKIN: CONT NOT LIKELY. CONTACT W/LIQ PROD MAY CAUSE
FROSTBITE UPON RAPID EVAP. EY ES: CONT NOT LIKELY. LIQ PROD MAY
CAUSETISSUE FREEZING.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:PROMPT MED ATTN IS MANDATORY IN ALL CASES OF OVEREXP. RESCUE
PERS SHOULD BE EQUIPPED W/SCBA. INHAL: VICTIMS SHOULD BE ASSISTED
TO UNCONTAMD AREA & INHALE FRESH AIR. QUICK REMOVAL FROM CONTAMD
AREA IS MOST IMPORTANT. UNCON PERS SHOULD BE MOVED TO UNCONTAMD
AREA & IF BRTHG HAS STOPPED, ADMIN ARTF RESP & SUPP O*2. FURTHER
TREATMENT SHOULD BE SYMPTOMATIC & SUPPORTIVE. EYES: NEVER INTRODUCE
(ING 2)

Flash Point Method:CC
Flash Point:-306F,-188C
Lower Limits:5%
Upper Limits:15%
Extinguishing Media:WATER, CARBON DIOXIDE, DRY CHEMICAL.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPRVD SCBA & FULL PROT EQUIP.
IF POSS, STOP FLOW OF METHANE. USE WATER SPRAY TO COOL SURROUNDING
CNTNRS. BE CAUTIOUS OF BOILING (SUPDAT)
Unusual Fire/Explosion Hazard:SHOULD FLAME BE EXTING & FLOW OF GAS
CONTINUE, INCREASE VENT TO PREVENT FLAMMABLE MIXTURE FORMATION IN
LOW AREAS OR POCKETS. ELEC CLASS: CLASS 1, GROUP D.

Spill Release Procedures:EVAC ALL PERS FROM AFFECTED AREA. EXTING ALL
FLAMES & SOURCES OF IGNIT. USE APPROP PROT EQUIP. IF LEAK IS IN
USER'S EQUIP, BE CERTAIN TO PURGE PIPING W/INERT GAS PRIOR TO
ATTEMPTING REPAIRS. IF LEAK I S IN CNTNR/CNTNR VALVE, CONT
ATTEMPTING(SUPDAT)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:USE ONLY IN WELL-VENT AREAS. VALVE
PROT CAPS MUST REMAIN IN PLACE UNLESS CNTNR IS SECURED W/VALVE PROT
OUTLET PIPED TO USE POINT.
Other Precautions:DO NOT DRAG, SLIDE/ROLL CYLINDERS. USE SUITABLE HAND
TRUCK FOR CYLINDER MOVEMENT. USE PRESS REDUCING REGULATOR WHEN
CONNECTING CYLINDER TO LOWER PRESS(<3000 PSIG) PIPING/SYS. DO NOT
HEAT CYLINDER BY A NY MEANS TO INCREASE DISCHARGE(SUPDAT)

Respiratory Protection:A NIOSH/MSHA TYPE C RESPIRATOR WITH FULL FACE
PIECE EQUIPPED W/AN ESCAPE BOTTLE/SCBA SHOULD BE AVAILABLE FOR
EMERGENCY USE. OPERATE THIS EQUIPMENT IN POSITIVE PRESS DEMAND
MODE.
Ventilation:HOOD W/FORCED VENTILATION. MECHANICAL IN ACCORDANCE WITH
ELECTRICAL CODES.
Protective Gloves:PLASTIC OR RUBBER GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGS.
Other Protective Equipment:SAFETY SHOES, EMERG EYE WASH AND DELUGE
SHOWER WHICH MEET ANSI DESIGN CRITERIA .
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
FIRE FIGHT PROC: LIQUID EVAP VAP EXPLOS, BLEVE, IF FLAME IS IMPINGING
ON SURROUNDING CNTNRS. DIRECT 500 GPM WATER STREAM ONTO CNTNRS
ABOVE LIQ LEVEL W/REMOTE MONITORS. LIM NUMBER OF PERS IN PROXIMITY
TO FIRE. EVAC SURROUNDING AREAS TO AT LEAST 3000 FEET IN ALL
DIRECTIONS. CONT CHEMTREC FOR MORE ADVICE(800)424-9300.

Boiling Pt:B.P. Text:-286F,-177C
Melt/Freeze Pt:M.P/F.P Text:-297F,-183C
Spec Gravity:0.55
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS & ODORLESS GAS.
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
OXIDIZERS.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NONE SPECIFIED BY MANUFACTURER.

Waste Disposal Methods:DO NOT ATTEMPT TO DISP OF WASTE/UNUSED QTYS.
RETURN IN SHIPPING CNTNR PROPERLY LABELED, W/ANY VALVE OUTLET
PLUGS/CAPS SECURE & VALVE PROT CAP IN PLACE TO AIRCO FOR PROPER
DISP. DISP OF I/A/W/LOCAL, ST ATE & FEDERAL 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.