Product ID:THORIUM FLUORIDE
MSDS Date:08/08/1990
FSC:5855
NIIN:00-051-2792
MSDS Number: CDYVC

Emergency Phone: 602-967-6061

Info Phone: 602-967-6061

Preparer: DLA.DSCR.HMIS

Cage: 0DVN8

Telephone: 602-967-6061

Cage: 0DVN8

THORIUM TETRAFLUORIDE

CAS: 13709-59-6

Fraction By Weight: 100%

OSHA PEL 2.5 MG F/M3

ACGIH TLV: 2.5 MG F/M3

LD50 LC50 Mixture:PRODUCT'S LD50 (ORAL RAT) WAS NOT STATED
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:YES IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE-RESPIRATORY IRRITANT. DERMAL
IRRITANT. EYE IRRITANT. MAY CAUSE G/I IRRITATION. CHRONIC-ANY
EXPOSURE TO THORIUM FLUORIDE BY ANY ROUTE MAY LEAD TO CANCER AT
SITE OF RETENTION. WILL CAUSE FLUORIOS IS.
Explanation of Carcinogenicity:RADIOACTIVE. IF RETAINED IN BODY, MAY
CAUSE CANCER AT SITE OF RETENTION.
Effects of Overexposure:EYE:IRRITATION, INFLAMMATION, WATERING.
SKIN:IRRITATION, ITCHING, DERMATITIS. INHALATION:RESPIRATORY
IRRITATION, COUGHING, SNEEZING, DIFFICULTY BREATHING. MAY ALSO
CAUSE (FLUOROSIS) ANOREXIA, ANEMIA, LOSS OF WEIGHT. INGESTION:G/I
IRRITATION, NAUSEA, VOMITING, FLUOROSIS.
Medical Cond Aggravated by Exposure:PREVIOUS RESPIRATORY OR SKIN
DISORDERS.

First Aid:GET IMMEDIATE MEDICAL ATTENTION. EYE:FLUSH W/WATER FOR 15
MIN. SKIN:WASH W/SOAP & WATER. REMOVE CONTAMINATED CLOTHING &
LAUNDER BEFORE REUSE. INHALED:REMOVE FROM EXPOSURE. AID OR RESTORE
BREATHING AS NEEDED. INGESTED:GIVE 2 GLASSES OF WATER & INDUCE
VOMITING. GET IMMEDIATE MEDICAL ATTENTION.

Flash Point:NA
Autoignition Temp:Autoignition Temp Text:NA
Lower Limits:NA
Upper Limits:NA
Extinguishing Media:USE DRY CHEMICAL, CARBON DIOXIDE
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS & FULL
PROTECTIVE CLOTHING TO PREVENT CONTACT W/SKIN & EYES.
Unusual Fire/Explosion Hazard:TOXIC & RADIOACTIVE FUMES MAY GENERATE IF
INVOLVED IN A FIRE.

Spill Release Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS & FULL
PROTECTIVE CLOTHING. ISOLATE SPILL AREA. VENTILATE. VACUUM SPILL
USING HIGH EFFICIENCY UNIT (HEPA) & PLACE IN CONTAINER FOR PROPER
DISPOSAL. TAKE CARE NO T TO RAISE DUST.
Neutralizing Agent:MFR GAVE NO INFORMATION OF MSDS.

Handling and Storage Precautions:STORE IN TIGHTLY CLOSED CONTAINERS IN
A COOL, DRY PLACE LABELED AS A RADIOACTIVE STORAGE AREA. WASH HANDS
& FACE THOROUGHLY AFTER HANDLING.
Other Precautions:SHOWERING AFTER HANDLING IS RECOMMENDED. PERSONAL
DOSIMETER SHOULD BE WORN BY PERSONNEL WORKING W/THIS MATERIAL.

Respiratory Protection:WEAR NIOSH-APPROVED DUST-MIST-FUME RESPIRATOR
W/HIGH EFFICIENCY FILTERS APPROVED FOR RADIONUCLIDES. WEAR PERSONAL
AIR MONITOR.
Ventilation:LOCAL EXHAUST TO MAINTIAN EXPOSURE BELOW NRC LIMIT. SPECIAL
VENTILATION:WEAR PERSONAL AIR MONITOR & DOSIMETER.
Protective Gloves:NEOPRENE
Eye Protection:SAFETY GLASSES.
Other Protective Equipment:WEAR DISPOSABLE RADIATION RESISTANT
PROTECTIVE CLOTHING TO PREVENT CONTAMINATION OF SKIN & CLOTHES.
Work Hygienic Practices:SHOWERING AFTER HANDLING IS RECOMMENDED.
PERSONAL DOSIMETER SHOULD BE WORN BY PERSONNEL WORKING W/THIS
MATERIAL.
Supplemental Safety and Health
ADD THAT THIS INFO IS FOR RADIOACITVE INGREDIENT (TH232). NO MSDS IS
REQUIRED FOR RECEIVER SUBASSEMBLY FOR THE TH232 SINCE THE QUANTITY
IS W/I THE "EXCEPTED QUANTITY" FOR INSTRUMENTS & ARTICLES & NOT
CONSIDERED HAZARDOUS BY OSHA. PROPER SHIPPING NAME FOR THIS ITEM IS
"RADIOACTIVE MATERIAL, EXCEPTED PACKAGE, UN2910".

HCC:A2
NRC/State Lic Num:NONE
Boiling Pt:B.P. Text:ND
Melt/Freeze Pt:M.P/F.P Text:>1652F,>900
Vapor Pres:NA
Spec Gravity:6.32
Evaporation Rate & Reference:NA
Solubility in Water:VERY SLIGHT
Appearance and Odor:WHITE CRYSTALLINE POWDER OR PIECES, NO ODOR. -
ALPHA RADIATION EMITTER
Percent Volatiles by Volume:NA
Corrosion Rate:UNKNOWNN

Stability Indicator/Materials to Avoid:NO
ACIDS, INTERAHALOGENS.
Stability Condition to Avoid:UNSTABLE - NATURAL RADIOACTIVE DECAY.
Hazardous Decomposition Products:FUMES (THERMAL). APLHA, BETA, GAMMA
RADIATION. THORIUM DAUGHTERS.
Conditions to Avoid Polymerization:WILL NOT OCCUR. HEAT,
INCOMPATIBLE MATERIALS.

Waste Disposal Methods:DISPOSE OF 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.