Product ID:URANIUM (IV, VI) OXIDE, U20
MSDS Date:04/15/1996
FSC:6810
NIIN:00N084725
MSDS Number: CGTTT

Emergency Phone: 800-424-9300 (CHEMTREC)

Info Phone: 908-549-7144

Preparer: SUSHA RAMONE

Cage: 04XT3

Telephone: 732-549-7144

Cage: 04XT3

URANIUM OXIDE; (U*3O*8)

CAS: 1344-59-8

RTECS: YR4900000

Fraction By Weight: 100%

OSHA PEL N/K

ACGIH TLV: N/K

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INSOLUBLE COMPOUNDS OF URANIUM
ARE LESS TOXIC THAN SOLUBLE COMPOUNDS. THEY ARE WEAKLY RADIOACTIVE
AND ARE PRINCIPALLY ALPHA PARTICLE EMITTERS. FIBROTIC CHANGES HAVE
BEEN OBSERVED IN LUNGS OF AN IMALS AFTER PROLONGED INHALATION
EXPOSURE ALTHOUGH RADIATION EFTS HAVE NOT BEEN OBSERVED IN HUMANS.
(EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ: URANIUM DIOXIDE DUST AT CONCENTRATION
OF 5 MG U/M3 FOR PERIODS UP TO 5 YEARS RESULTED IN NO KIDNEY
INJURY. OVER 90% OF URANIUM FOUND IN THE BODY WAS IN THE LUNGS &
TRACHEOBRONCHIAL LYMPH NOD ES. IT MAY ALSO CAUSE SYSTEMIC
POISONING. SIGNS OF EXPOSURE ARE NAUSEA, VOMITING AND DIARRHEA.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:EYES: FLUSH W/WATER FOR @ LST 15 MINS OCCASNLY LIFTING UPPER
& LOWER EYELIDS. SKIN: REMOVE CONTAMD CLOTHING, THEN FLUSH W/WATER
FOR AT LST 15 MINS. WASH CLOTHING THOROUGHLY BEFORE REUSE.
INHALATION: M OVE TO FRESH AIR. INGESTION: DO NOT INDUCE VOMITING.
GET IMMED MED HELP. IF PATIENT IS CONSCIOUS, GIVE LG QTYS OF
WATER/MILK. IF IRRIT CONTINUES, GET MEDICAL ATTENTION IMMEDIATELY.

Extinguishing Media:NOT COMBUSTIBLE. APPROPRIATE TO SURROUNDING FIRE
CONDITIONS.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:MIGHT DECOMPOSE TO TOXIC URANIUM.

Spill Release Procedures:EVACULATE AND VENTILATE AREA. SWEEP UP AND
PLACE IN BAG, HOLD FOR PROPER DISPOSAL. WEAR PROTECTIVE CLOTHING.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN COOL, DRY PLACE. KEEP TIGHTLY
CLOSED WHEN NOT IN USE. WARNING: DEPLETED RADIO ACTIVE MATERIAL.
Other Precautions:AVOID INHALATION, INGESTION AND CONTACT WITH EYES AND
SKIN. HAVE IMMEDIATE AVAILABILITY OF AN EYE WASH IN CASE OF
EMERGENCY. HARMFUL IF SWALLOWED OR INHALED.

Respiratory Protection:NIOSH APPROVED RESPIRATOR.
Ventilation:CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL RESISTANT GLASSES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPRVD EYE WASH & DELUGE SHOWER . LAB
COAT.
Work Hygienic Practices:WASH CAREFULLY AFTER USE.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

Melt/Freeze Pt:M.P/F.P Text:DECOMPOSES
Spec Gravity:7.31
Evaporation Rate & Reference:NOT KNOWN
Solubility in Water:INSOLUBLE
Appearance and Odor:GREEN POWDER.

Stability Indicator/Materials to Avoid:YES
BRF*3.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:URANIUM.

Waste Disposal Methods:CONTACT LOCAL HAZARDOUS OR CHEMICAL WASTE
DISPOSAL AGENCY FOR REGULATIONS. DISPOSAL MUST BE 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.