MALLINCKRODT INC -- OSMIUM TETROXIDE -- 6810-00N071636 
=====================  Product Identification  =====================

Product ID:OSMIUM TETROXIDE
MSDS Date:04/06/1989
FSC:6810
NIIN:00N071636
=== Responsible Party ===
Company Name:MALLINCKRODT INC
Box:M
City:PARIS
State:KY
ZIP:40361
Country:US
Info Phone Num:314-982-5000
Emergency Phone Num:314-982-5000
CAGE:62910
=== Contractor Identification ===
Company Name:MALLINCKRODT SPECIALTY CHEMICALS CO
Address:222 RED SCHOOL LANE
Box:City:PHILLIPSBURG
State:NJ
ZIP:08865
Country:US
Phone:908-859-2151
CAGE:62910

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

Ingred Name:OSMIUM TETROXIDE (SARA 313) (CERCLA)
CAS:20816-12-0
RTECS #:RN1140000
OSHA PEL:0.002 PPM
ACGIH TLV:.0002PPM/.0006STEL
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

Ingred Name:SUP DAT: PLEASE REFER TO ACGIH DOCUMENT, "INDUS VENT, A
    MANUAL OF REC PRACTICES", MOST RECENT EDITION, FOR DETAILS.
RTECS #:9999999ZZ

Ingred Name:OTHER PROT EQUIP: INCLUDING BOOTS, GLOVES, LAB COAT, APRON
    OR COVERALLS TO PREVENT SKIN CONTACT.
RTECS #:9999999ZZ

Ingred Name:EYE PROTECTION: AND FULL LENGTH FACESHIELD .
RTECS #:9999999ZZ

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

LD50 LC50 Mixture:LD50 (ORAL RAT): 14 MG/KG.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INHAL: COUGHING, CHOKING, AS
    WELL AS HDCH & DIZZ CAN OCCUR. PULM EDEMA W/TIGHTNESS IN CHEST,
    DIZZ & CYANOSIS MAY OCCUR AFTER 6-8 HR LATENT PERIOD. INGEST:
    HIGHLY TOX. SEV BURNING PAIN IN MOUTH,  PHARYNX & ABDOMEN FOLLOWED
    BY VOMIT & DIARR OF DARK PRECIPITATED BLOOD. SKIN: TOX. SEV PAIN &
    (EFTS OF OVEREXPOSURE)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ: BROWNISH/YELLOWISH STAINS. CAUSES
    BURNS TO SKIN. EYES: CONJUNCT EDEMA & CORNEAL DESTRUCTION OCCUR.
    SYMPS ARE PAIN, TEARING & PHOTOPHOBIA. CHRONIC: LONG EXPOS FROM
    INHAL CAN CAUSE EROSION OF	TEETH, BRONCHIAL IRRIT & CHRONIC
    COUGHS.
Medical Cond Aggravated by Exposure:PERSONS WITH PREEXISTING SKIN
    DISORDERS OR IMPAIRED RESPIRATORY FUNCTION MAY BE MORE SUSCEPTIBLE
    TO THE EFFECTS OF THE SUBSTANCE.

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

First Aid:INHAL: REMOVE TO FRESH AIR. IF NOT BRTHG, GIVE ARTF RESP. IF
    BRTHG IS DFCLT, GIVE OXYGEN. CALL MD IMMED. INGEST: GIVE LGE QTYS
    OF MILK/WATER & GET MED ATTN IMMED. NEVER GIVE ANYTHING BY MOUTH TO
    UNCON  PERS. SKIN: IMMED FLUSH W/PLENTY OF WATER FOR AT LEAST 15
    MIN WHILE REMOVING CONTAM CLTHG & SHOES. WASH CLTHG BEFORE REUSE.
    CALL  MD IMMED. EYES: WASH W/PLENTY OF WATER FOR AT LEAST 15 (SUP
    DAT)

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

Extinguishing Media:USE DRY CHEMICAL, FOAM OR CARBON DIOXIDE.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
    PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:CONTACT WITH OXIDIZABLE SUBSTANCES MAY
    CAUSE EXTREMELY VIOLENT COMBUSTION. NOT CONSIDERED A FIRE OR
    EXPLOSION HAZARD.

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

Spill Release Procedures:VENT & EVACUATE AREA. CLEAN-UP PERS REQ PROT
    CLTHG & RESP PROT FROM DUST. ALLOW ONLY QUALIFIED PERS TO HANDLE
    SPILL. ISOLATE/ENCLOSE AREA OF LEAK/SPILL. CONTAIN & RECOVER SPILLS
    WHEN POSS. COLLECTED W ASTE MAY BE TRANSFERRED TO CLSD, PREF (SUP
    DAT)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:KEEP IN A TIGHTLY CLOSED CONTAINER,
    STORED IN A COOL, DRY, VENTILATED AREA. PROTECT AGAINST PHYSICAL
    DAMAGE. SEPARATE FROM ACIDS AND OXIDIZING MATLS.
Other Precautions:SEPARATE FROM COMBUST, ORG/OTHER READILY OXIDIZABLE
    MATLS. TREAT EMPTY CONTRS AS HAZ WASTE. DO NOT BREATHE DUST. USE
    ONLY W/ADEQ VENT. AVOID CONT W/EYES, SKIN & CLTHG.

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

Respiratory Protection:IF TLV IS EXCEEDED, A NIOSH/MSHA APPRVD
    DUST/MIST RESP W/CHEM GOGGLES MAY BE WORN, IN GEN, UP TO 10 TIMES
    THE TLV. CONSULT RESP SUPP FOR LIMITATIONS. ALTERNATIVELY, A
    NIOSH/MSHA APPRVD FULL FACEPIECE  RESP/AIRLINED HOOD MAY BE WORN.
Ventilation:SYS TO LOC &/GEN EXHST IS REC TO KEEP EMPLOYEE EXPOS BELOW
    AIRBORNE EXPOS LIM. LOC EXHST VENT IS GEN PREF (SUP DAT)
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGS (ING 4)
Other Protective Equipment:EMERGENCY EYEWASH & DELUGE SHOWER MEETING
    ANSI DESIGN CRITERIA . WEAR IMPERVIOUS PROTECTIVE CLOTHING, (ING 3)
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING. CONTACT LENSES
    SHOULD NOT BE WORN WHEN WORKING WITH THIS MATERIAL.
Supplemental Safety and Health
MATLS TO AVOID: MAY CAUSE FIRES & EXPLO. FIRST AID PROC: MIN, LIFTING
    UPPER & LOWER EYELIDS OCCAS. GET MED ATTN IMMED. SPILL PROC: METAL,
    CONTR & SENT TO RCRA-APPRVD WASTE DISP FACILITY. VENT: BECAUSE  IT
    CAN CTL EMISSIONS OF CONTAMINANT ATITS SOURCE, PREVENTING
    DISPERSION OF IT INTO GEN WORK AREA. (ING 2)

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

Boiling Pt:B.P. Text:266F,130C
Melt/Freeze Pt:M.P/F.P Text:>102F,>39C
Vapor Pres:7 @ 20C
Vapor Density:8.8
Spec Gravity:4.906
Solubility in Water:5.7 G/100 G WATER
Appearance and Odor:COLORLESS TO PALE YELLOW SOLID, WITH PUNGENT,
    CHLORINE-LIKE ODOR

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

Stability Indicator/Materials to Avoid:YES
CONT W/HYDROCHLORIC ACID CAUSES FORM OF CHLORINE GAS. STRONG CATALYST &
    CONT W/EASILY OXIDIZED ORG MATLS (SUP DAT)
Stability Condition to Avoid:SUBSTANCES MAY REACT VIOLENTLY WITH SOME
    ORGANIC COMPOUNDS OR REDUCING AGENTS.
Hazardous Decomposition Products:WHEN HEATED TO DECOMPOSITION, EMITS
    HIGHLY TOXIC FUMES OF OSMIUM.

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

Waste Disposal Methods:ENSURE COMPLIANCE WITH LOCAL, STATE, AND FEDERAL
    REGULATIONS.

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