=====================  Product Identification  =====================

MSDS NAME:METHANE
NIIN:00N017051
Status Code:A
MSDS Number: CHSXM
=== Responsible Party ===
Company:SCOTT SPECIALTY GASES
Address:6141 EASTON RD
City:PLUMSTEADVILLE
State:PA
ZIP:18949
Country:US
Info Phone Num:215-766-9861
Emergency Phone Num:215-766-9861
CAGE:51847
=== Contractor Identification ===
Company:SCOTT SPECIALTY GASES
Address:6141 EASTON RD (6141 ROUTE 611)
Box:310
City:PLUMSTEADVILLE
State:PA
ZIP:18934
Country:US
Phone:215-766-8861/ FAX: 215-766-0416
CAGE:51847

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

Name:HYDROGEN SULFIDE (SARA 302/313) (CERCLA). %:11-100 PPM.
CAS:7783-06-4
RTECS #:MX1225000
Fraction by Wt: <0.1%
OSHA PEL:20 PPM, C
ACGIH TLV:10 PPM;15 STEL
EPA Rpt Qty:100 LBS
DOT Rpt Qty:100 LBS

Name:CARBON MONOXIDE. %:25.1-100 PPM.
CAS:630-08-0
RTECS #:FG3500000
Fraction by Wt: <0.1%
OSHA PEL:50 PPM
ACGIH TLV:25 PPM

Name:METHANE
CAS:74-82-8
RTECS #:PA1490000
Fraction by Wt: 2-3%
OSHA PEL:N/K 
ACGIH TLV:ASPHYXIANT

Name:OXYGEN
CAS:7782-44-7
RTECS #:RS2060000
Fraction by Wt: 10-18%
OSHA PEL:N/K 
ACGIH TLV:N/K 

Name:NITROGEN
CAS:7727-37-9
RTECS #:QW9700000
Fraction by Wt: BALANCE
OSHA PEL:N/K 
ACGIH TLV:ASPHYXIANT

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

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:A GAS MIXTURE IN NITROGEN
    W/OXYGEN CONC <18% MAY ACT AS A SIMPLE ASPHY BY DISPLACING AIR NEC
    FOR LIFE. SYMPS INCL RAPID RESPIRATION, MUSCULAR INCOORD, FATG,
    NAUS, VOMIT & UNCON. CARBON MONOXIDE  IS HIGHLY TOX BY REDUCTION OF
    BLOOD'S OXYGEN CARRYING CAPACITY. SYMPS INCL HDCH, MENTAL DULLNESS,
    DIZZ (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:& POSS COLLAPSE & DEATH. EXPOS BTWN
    50-500 PPM HYDROGEN SULFIDE ARE CHARACT BY RESP IRRIT, COUGH &
    LABORED BRTHG. CHRONIC:NOTE:CARBON MONOXIDE APPEARS ON THE NAVY
    LIST OF OCCUP CHEM REPRO HAZ S. SEEK CONSULTATION FROM APPROP HLTH
    PROFESSIONALS CONCERNING LATEST HAZ LIST INFO & SAFE HNDLG & EXPOS
    INFO .
Medical Cond Aggravated by Exposure:NONE.

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

First Aid:INGEST:CALL MD IMMEDIATELY . EYES:IMMEDIATELY FLUSH W/POTABLE
    WATER FOR A MINIMUM OF 15 MINUTES, SEEK ASSISTANCE FROM MD .
    SKIN:FLUSH W/COPIOUS AMOUNTS OF WATER. CALL MD . INHAL:IMME DIATELY
    REMOVE VICTIM TO FRESH AIR. IF BREATHING HAS STOPPED, GIVE
    ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.
    CONTACT MD.

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

Extinguishing Media:USE WHAT IS APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
    EQUIPMENT . KEEP FIRE EXPOSED CYLINDERS COOL W/WATER SPRAY.
Unusual Fire/Explosion Hazard:NON-FLAMMABLE. ESCAPING GAS MIXTURES
    CNTNG >5% OXYGEN WILL SUPPORT COMBUST OF SURROUNDING MATL & MAY
    ACCELERATE IT. CYL RUPTURE MAY OCCUR UNDER FIRE CNDTNS.

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

Spill Release Procedures:EVACUATE & VENTILATE AREA. REMOVE LEAKING
    CYLINDER TO EXHAUST HOOD OR SAFE OUTDOORS AREA IF THIS CAN BE DONE
    SAFELY.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:STORE IN WELL VENTILATED AREAS ONLY.
Other Precautions:PROTECT CONTAINERS FROM PHYSICAL DAMAGE. DO NOT
    DEFACE CYLINDERS OR LABELS. NON-RETURNABLE CYLINDERS MUST NOT BE
    REFILLED.

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

Respiratory Protection:USE A NIOSH APPROVED SELF-CONTAINED BREATHING
    APPARATUS IN CASE OF EMERGENCY OR NON-ROUTINE USE.
Ventilation:PROVIDE ADEQUATE GENERAL & LOCAL EXHAUST VENTILATION TO
    MAINTAIN CONCENTRATION BELOW EXPOSURE LIMITS.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS .
Other Protective Equipment:EYE WASH FOUNTAIN & DELUGE SHOWER WHICH MEET
    ANSI DESIGN CRITERIA .
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
VAP DENS:0.968-0.984. MATLS TO AVOID:MONOXIDE REACTS W/OXIDIZING MATLS,
    BRF*3, CS*2O, CLF*3, O*2, OF*2, AG*2O. METHANE REACTS W/OXIDIZING
    AGENTS, BRF*5, CL*2, CLO*2, NF*3, O*2. OXYG REACTS VIOLENTLY W
    /PHOSPHINE, HYDRAZINE, ETHERS, ALCOHOLS, HYDROGEN SULFIDE,
    HYDROCARBONS. NITROGEN REACTS W/LI, ND & TI (AT HIGH TEMPS).

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

Vapor Density:SUPP DATA
Evaporation Rate & Reference:GAS
Solubility in Water:4.4 VV @ 0C (H*2S)
Appearance and Odor:CLEAR, COLORLESS GAS W/OFFENSIVE ODOR-LIKE ROTTEN
    EGGS DUE TO HYDROGEN SULFIDE.
Percent Volatiles by Volume:GAS

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

Stability Indicator/Materials to Avoid:YES
HYDROGEN SULFIDE REACTS W/OXIDIZING AGENTS, RUBBER, LEAD, SILVER,
    ALKALI METALS, MERCURY, BRASS & COPPER. CARBON(SUPDAT)
Stability Condition to Avoid:STABLE UNDER NORMAL STORAGE CONDITIONS.
Hazardous Decomposition Products:COMBUSTION OF HYDROGEN SULFIDE CAN
    PRODUCE TOXIC FUMES OF SULFUR OXIDES.

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

Waste Disposal Methods:ALLOW GAS TO VENT SLOWLY TO ATMOSPHERE IN AN
    UNCONFINED AREA OR EXHAUST HOOD. DISPOSE OF NON-RETURNABLE
    CYLINDERS I/A/W FEDERAL, STATE & 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.

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