Product ID:OSMIUM TETROXIDE
MSDS Date:04/06/1989
FSC:6810
NIIN:00N071636
MSDS Number: CBXLC

MALLINCKRODT INC

PARIS, KY 40361
US

Emergency Phone: 314-982-5000

Info Phone: 314-982-5000

Cage: 62910

MALLINCKRODT SPECIALTY CHEMICALS CO

PHILLIPSBURG, NJ 08865 US

Telephone: 908-859-2151

Cage: 62910

OSMIUM TETROXIDE (SARA 313) (CERCLA)

CAS: 20816-12-0

RTECS: RN1140000

OSHA PEL 0.002 PPM

ACGIH TLV: .0002PPM/.0006STEL

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

PLEASE REFER TO ACGIH DOCUMENT, "INDUS VENT, A

RTECS: 9999999ZZ

INCLUDING BOOTS, GLOVES, LAB COAT, APRON

RTECS: 9999999ZZ

AND FULL LENGTH FACESHIELD .

RTECS: 9999999ZZ

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: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)

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.

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 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.

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)

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 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.

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