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Physical Constants of Uranium DiOxide  


M A T E R I A L S A F E T Y D A T A S H E E T
This form may be used to comply with OSHA's Hazard Communication Standard, 29 CFR 1910.1200.
IDENTITY (As Used on Label and List): Uranium oxide, powder
Product Code: U-MSDS0003 Reference #: 1344-57-6
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SECTION I - PRODUCT IDENTIFICATION
Uranium oxide, powder

MANUFACTURER NAME AND ADDRESS:
International Bio-Analytical Industries, Inc.
3595 N. Dixie Hwy. Unit 5 Boca Raton, FL 33431

CHEMTREC (800)424-9300

Revision: 03/24/1999
Local Poison/Emergency ( ) 911
Printed: 01/28/2004

SYNONYMS

Uranium oxide, uranium dioxide, uranous oxide, black uranium oxide, uranic oxide, urania, yellow cake, uranium (IV) oxide


CHEMICAL FAMILY: Metal oxide

DOT HAZARD LABEL: No data.

FORMULA: UO2

MOLECULAR WEIGHT: 270.03
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SECTION II - HAZARDOUS INGREDIENTS/IDENTITY INFORMATION
Uranium oxide, powder
HAZARDOUS COMPONENTS (CHEMICAL NAME)
NAME: Uranium oxide
CAS #: 1344-57-6 PERCENTAGE: 0.0 -100.0 %
OSHA PEL: .05 mg(U)/m3 ACGIH TLV: .2 mg(U)/m3
OTHER LIMITS: STEL-.6mg/m3
SEC.302 (EHS): No SEC.304 RQ: No
SEC.313: No

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NAME: NRC maximum permissible dose for occupational exposure
CAS #: NA PERCENTAGE: 0.0 -100.0 %
OSHA PEL: 5000 mrem/yr ACGIH TLV: No data.
OTHER LIMITS: No data.
SEC.302 (EHS): No SEC.304 RQ: No
SEC.313: No

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NAME: NRC maximum permissible dose for non-occupational exposure
CAS #: NA PERCENTAGE: 0.0 -100.0 %
OSHA PEL: 100 mrem/yr ACGIH TLV: No data.
OTHER LIMITS: No data.
SEC.302 (EHS): No SEC.304 RQ: No
SEC.313: No

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NAME: Derived air concentration: 2E-10 uci/ml
CAS #: NA PERCENTAGE: 0.0 -100.0 %
OSHA PEL: No data. ACGIH TLV: No data.
OTHER LIMITS: No data.
SEC.302 (EHS): No SEC.304 RQ: No
SEC.313: No

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NAME: Annual limit of intake: 4E-1 uci
CAS #: NA PERCENTAGE: 0.0 -100.0 %
OSHA PEL: No data. ACGIH TLV: No data.
OTHER LIMITS: No data.
SEC.302 (EHS): No SEC.304 RQ: No
SEC.313: No

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NAME: See SECTION IX-ADDITIONAL COMMENTS FOR COSHH Regulations
CAS #: NA PERCENTAGE: 0.0 -100.0 %
OSHA PEL: No data. ACGIH TLV: No data.
OTHER LIMITS: No data.
SEC.302 (EHS): No SEC.304 RQ: No
SEC.313: No

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SECTION III - PHYSICAL/CHEMICAL CHARACTERISTICS
Uranium oxide, powder
PHYSICAL STATES: [ ] Gas , [ ] Liquid , [ X ] Solid
BOILING POINT: N.A.
MELTING POINT: 2858.00 C (5176.4 F) to 2988.00 C (5410.4 F)
SPECIFIC GRAVITY (WATER = 1): 10.96gm/cc
DENSITY: No data.
VAPOR PRESSURE (VS. AIR OR MM HG): NE or NA
VAPOR DENSITY (VS. AIR = 1): NE or NA
EVAPORATION RATE (VS BUTYL ACETATE=1): NE or NA
SOLUBILITY IN WATER: insoluble
PERCENT VOLATILE: N.A.
PH: No data.
APPEARANCE AND ODOR

Brown-black powder, no odor.


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SECTION IV - FIRE AND EXPLOSION HAZARD DATA
Uranium oxide, powder
FLASH PT: N.A. METHOD USED: FLAMMABLE SOLID
EXPLOSIVE LIMITS: LEL: NE UEL: NE
EXTINGUISHING MEDIA

USE: Use suitable extinguishing media for surrounding materials and type of fire.

SPECIAL FIRE FIGHTING PROCEDURES

Firefighters must wear full face, self-contained breathing apparatus with full protective clothing to prevent contact with skin and eyes. Fumes from fire are hazardous and may be radioactive. Isolate runoff to prevent environmental pollution.

UNUSUAL FIRE AND EXPLOSION HAZARDS

RADIATION HAZARD
Powder ignites spontaneously in heated air.
May emit toxic and radioactive fumes if involved in a fire.


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SECTION V - REACTIVITY DATA
Uranium oxide, powder
STABILITY: Unstable [ ] Stable [ X ]
CONDITIONS TO AVOID - INSTABILITY

None

INCOMPATIBILITY - MATERIALS TO AVOID

Strong acids and bases

HAZARDOUS DECOMPOSITION OR BYPRODUCTS

Uranium daughters, alpha, beta and gamma radiation

HAZARDOUS POLYMERIZATION: Will occur [ ] Will not occur [ X ]
CONDITIONS TO AVOID - HAZARDOUS POLYMERIZATION

None

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SECTION VI - HEALTH HAZARD DATA
Uranium oxide, powder
ROUTE(S) OF ENTRY: Inhalation? Yes , Skin? Yes , Eyes? Yes , Ingestion? Yes , Other: N
HEALTH HAZARDS (ACUTE AND CHRONIC)


To the best of our knowledge the chemical, physical and toxicological properties of uranium oxide have not been thoroughly investigated and recorded.

Uranium is a highly toxic element on an acute basis. The permissible levels for soluble compounds are based on chemical toxicity, while the permissible body level for insoluble compounds is based on radio-toxicity. The high chemical toxicity of uranium and its salts is largely shown in kidney damage which may not be reversible. Acute arterial lesions may occur after acute exposures. The high toxicity effect of insoluble compounds is largely due to lung irradiation by inhaled particles. (Sax, Dangerous Properties of Industrial Materials, eighth edition)

URANIUM SALTS CAUSE HARMFUL EFFECTS CHEMICALLY AND RADIOLOGICALLY.

INHALATION:
Acute: May cause acute arterial lesions.
Chronic: May cause kidney damage.

INGESTION:
Acute: May cause nausea and vomiting.
Chronic: No chronic health effects recorded.


SKIN:
Acute: May cause irritation.
Chronic: May cause dermatitis.

EYE:
Acute: May cause irritation.
Chronic: Studies indicate probability of cataracts.

TARGET ORGANS: May affect the lymphatics, kidneys, skin and bone marrow.

CARCINOGENITICY: NTP? No , IARC Monographs? No , OSHA Regulated? No
CARCINOGENICITY/OTHER INFORMATION
No data available.
RECOMMENDED EXPOSURE LIMITS: See "Section II" LD 50/LC 50: No toxicity data recorded
SIGNS AND SYMPTOMS OF EXPOSURE

INHALATION: May cause shortness of breath, coughing and changes in the blood.

INGESTION: May cause nausea, vomiting, changes in the blood and urine.

SKIN: May cause redness, itching, burning sensation and inflammation.

EYE: May cause redness, itching, burning, watering and inflammation.

MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE

Pre-existing respiratory and skin disorders.

EMERGENCY AND FIRST AID PROCEDURES

INHALATION: Remove victim to fresh air; keep warm and quiet; give oxygen if breathing is difficult and seek medical attention immediately.

INGESTION: Give 1-2 glasses of milk or water and induce vomiting; seek medical attention. Never induce vomiting or give anything by mouth to an unconscious person.

SKIN: Remove contaminated clothing; brush material off skin; wash affected area with mild soap and water; check for radioactive contamination; seek medical attention.

EYE: Flush eyes with lukewarm water, lifting upper and lower eyelids, for at least 15 minutes. Seek medical attention immediately.

NOTE TO PHYSICIAN
No data available.

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SECTION VII - PRECAUTIONS FOR SAFE HANDLING AND USE
Uranium oxide, powder
STEPS TO BE TAKEN IN CASE MATERIAL IS RELEASED OR SPILLED

Wear appropriate respiratory and protective equipment specified in section VIII-control measures. Isolate spill area, provide ventilation and extinguish sources of ignition. Vacuum up spill using a high efficiency particulate absolute (HEPA) air filter and place in a closed container for proper disposal. Use non-sparking tools. Take care not to raise dust.

WASTE DISPOSAL METHOD

Dispose of in accordance with local, state and federal regulations.
HAZARD LABEL INFORMATION: Store in cool, dry area Store in tightly sealed container
Wash thoroughly after handling Store in an inert atmosphere
PRECAUTIONS TO BE TAKEN IN HANDLING
Radioactive: Store away from radiation sensitive equipment and devices.
PRECAUTIONS TO BE TAKEN IN STORING
No data available.
OTHER PRECAUTIONS

Uranium oxide ignites spontaneously in air and water. Handle and store in an inert gas.


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SECTION VIII- CONTROL MEASURES
Uranium oxide, powder
PROTECTIVE EQUIPMENT SUMMARY - HAZARD LABEL INFORMATION: NIOSH approved respirator Impervious gloves Safety goggles
Clothes to prevent skin contact
RESPIRATORY EQUIPMENT (SPECIFY TYPE)
NIOSH - approved radionuclides and acid gas respirator
VENTILATION
Local Exhaust: Local exhaust ventilation may be necessary to control any air contaminants to within their PELs or TLVs during the use of this product.
Special: Use a filtered ventilation system
Mechanical (Gen): Not recommended
Other: Prevent discharge of radioactivity

EYE PROTECTION
Safety goggles
PROTECTIVE GLOVES
Butyl and polycarbonate
OTHER PROTECTIVE CLOTHING
Protective gear suitable to prevent contamination
WORK/HYGIENIC/MAINTENANCE PRACTICES

Implement engineering and work practice controls to reduce and maintain concentration of exposure at low levels. Use good housekeeping and sanitation practices. Do not use tobacco or food in work area. Wash thoroughly before eating and smoking. Do not blow dust off clothing or skin with compressed air.
.


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SECTION IX - ADDITIONAL COMMENTS
Uranium oxide, powder
Control of Substances Hazardous to Health Regulations
EH40 Occupational Exposure Limits

URANIUM COMPOUNDS
Maximum Exposure Limit: NE
Occupational Exposure Standard: 0.2 mg/m3
0.6 mg/m3 Short-term Exposure Limit
.
The above information is accurate to the best of our knowledge. However, since data, safety standards, and government regulations are subject to change, and the conditions of handling and use or misuse are beyond our control, IBI MAKES NO WARRANTY, EITHER EXPRESSED NOR IMPLIED, WITH RESPECT TO THE COMPLETENESS OR CONTINUING ACCURACY OF THE INFORMATION CONTAINED HEREIN, AND DISCLAIMS ALL LIABILITY FOR RELIANCE THEREON. Users should satisfy themselves that they have all current data relevant to their particular use.

Abbreviations used: NA=Not Applicable NE: Not Established

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