Product ID:ZIRCONIUM HYDRIDE
MSDS Date:02/23/1990
FSC:6810
NIIN:00N065317
MSDS Number: CBCTV

Emergency Phone: 800-562-8236;800-424-9300(CHEMTREC)

Info Phone: 414-289-9800

Cage: FO994

Telephone: 414-289-9800

Cage: 67027

ZIRCONIUM HYDRIDE; (ZRH*2)

CAS: 7704-99-6

RTECS: ZH8015000

Fraction By Weight: 100%

OSHA PEL 5 MG ZR/M3

ACGIH TLV: 5 MG ZR/M3

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INHALATION: RESPIRATORY
IRRITANT. REACTION OF ZRH*2 AND WARM MUCOUS MEMBRANES MAY PRODUCE
H*2 AND CAUSTIC ZR(OH)*4. ZIRCONIUM AND COMPOUNDS HAVE BEEN FOUND
TO CAUSE PULMONARY GRANULOMAS. SKIN: IRRITATING TO MOIST SKIN,
POSSIBLY CAUSTIC. ALLERGIC DERMATITIS MAY OCCUR. EYES: IRRITATING,
POSSIBLY (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ: CORROSIVE. INGESTION MAY CAUSE
DISCOMFORT DUE TO REACTION OF ZRH*2 WITH STOMACH ACID TO LIBERATE
HYDROGEN GAS AND HEAT. ZIRCONIUM IS CONSIDERED OF LOW TOXICITY.
CHRONIC: NONE SPECIFIED BY MA NUFACTURER.
Medical Cond Aggravated by Exposure:PREVIOUS RESPIRATORY AND SKIN
DISORDERS.

First Aid:INGESTION: ADMINISTER WATER AND DO NOT INDUCE VOMITING. SEEK
MEDICAL ATTENTION. INHALATION: REMOVE TO FRESH AIR. SEEK MEDICAL
ATTENTION. SKIN: WASH AFFECTED AREA WITH SOAP AND WATER. SEEK
MEDICAL ATTE NTION IF SYMPTOMS PERSIST. EYES: FLUSH FOR AT LEAST 15
MINUTES WITH LUKEWARM WATER. SEEK MEDICAL ATTENTION.

Extinguishing Media:USE DRY CHEMICAL, CARBON DIOXIDE.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:FLAMMABLE WHEN WET. CAN EXPLODE WHEN DRY.
HYDROGEN GAS EVOLVED ON DECOMPOSITION. HOT WATER/STEAM MAY REACT
WITH ZRH*2 TO EVOLVE FLAMMABLE HYDROGEN GAS.

Spill Release Procedures:WEAR NIOSH/MSHA APPRVD SCBA & FULL PROT EQUIP.
ENSURE AREA WHERE SPILL OCCURRED IS PROT FROM EXPOS TO
MOISTURE/WATER & ISOLATED & WELL VENT. VACUUM UP SPILL USING HIGH
EFFICIENCY UNIT & PLACE IN CONTR FOR PROPER DISP. TAKE CARE NOT TO
RAISE DUST.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN TIGHTLY CLOSED CONTAINERS
AWAY FROM HEAT, FLAMES, OXIDANTS, ACIDS, AND STEAM.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

Respiratory Protection:USE NIOSH/MSHA APPROVED DUST-MIST RESPIRATOR.
Ventilation:LOCAL EXHAUST TO MAINTAIN EXPOSURE BELOW TLV FOR ZR. HANDLE
IN INERT ATMOSPHERE. MECHANICAL (GENERAL) NOT RECOMMENDED.
Protective Gloves:NEOPRENE GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS (SUP DAT)
Other Protective Equipment:WEAR PROT APPAREL TO PVNT SKIN & CLTHG
CONTAM. EMER EYEWASH & DELUGE SHOWER MEETING ANSI DESIGN CRITERIA .
Work Hygienic Practices:WASH HANDS AND FACE THOROUGHLY AFTER HANDLING
AND BEFORE EATING.
Supplemental Safety and Health
MP: >1112F,>600C. EYE PROT: GOGGLES AND FULL LENGTH FACESHIELD .

Melt/Freeze Pt:M.P/F.P Text:SUP DAT
Spec Gravity:5.6
Solubility in Water:INSOLUBLE
Appearance and Odor:GRAY-BLACK METALLIC POWDER, NO ODOR

Stability Indicator/Materials to Avoid:NO
OXIDANTS, ACIDS, STEAM, WATER (FIRE HAZARD).
Stability Condition to Avoid:ON CONTACT WITH WATER.
Hazardous Decomposition Products:H*2.

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE TO APPLICABLE LOCAL,
STATE AND FEDERAL REGULATIONS.

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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.