SCOTT SPECIALTY GASES -- HYDROGEN SULFIDE  -- 6830-00N047659
<pre>=====================  Product Identification  =====================

Product ID:HYDROGEN SULFIDE
MSDS Date:03/02/1995
FSC:6830
NIIN:00N047659
Status Code:A
=== Responsible Party ===
Company Name: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 Name: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  =============

Ingred 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

Ingred 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

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

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

Ingred 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 &amp; 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.

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