Product ID:SODIUM-POTASSIUM ALLOY
MSDS Date:01/01/1987
FSC:6850
NIIN:00B030071
MSDS Number: BKLSF

Emergency Phone: NONE SPECIFIED BY MANUFACTURER.

Info Phone: 412-538-3510

Cage: 00269

Telephone: 412-538-3510

Cage: 00269

SODIUM METAL

Fraction By Weight: 22%

POTASSIUM METAL

Fraction By Weight: 78%

Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Health Hazards Acute and Chronic:NONE SPECIFIED BY MANUFACTURER.
Effects of Overexposure:NONE SPECIFIED BY MANUFACTURER.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:SKIN: REMOVE ALKALI METAL FROM THE SKIN WITH A BRUSH, KNIFE
BLADE OR SPATULE, THEN FLUSH AREA WITH WATER FOR 15 MIN (OR 10
MIN., FOLLOWED BY A RINSE WITH DILUTED VINEGAR (OR 2% ACETIC ACID)
AND 5 MIN. MORE OF WATER FLUSHING). GET MEDICAL ATTENTION. EYES:
FLUSH PROMPTLY WITH PLENTY OF WATER FOR AT LEAST 15 MIN., INCLUDING
BENEATH THE EYELIDS. CONTACT PHYSICIAN! CONTINUE GENTLE FLUSHING.

Extinguishing Media:DRY SODA ASH, DRY SODIUM CHLORIDE, ANSUL'S MET-L-X.
NEVER USE WATER, CO2, ORDINARY DRY CHEMICAL OR HALOGENATED
EXTINGUIS
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS AND
FULL PROTECTIVE CLOTHING TO FIGHT FIRES IN WHICH THIS MATERIAL IS
INVOLVED. MAY SELF RE-IGNITE AFTER EXTINGUISHED.
Unusual Fire/Explosion Hazard:MAY EXPLODE IF CARBON TETRACHLORIDE-TYPE
FIRE EXTINGUISHER IS USED. REACTS VIOLENTLY W/WATER, LIBERATING &
IGNITING HYDROGEN. NEVER USE HALOGENATED EXTINGUISHER

Spill Release Procedures:NOTIFY SAFETY PERSONNEL. PROVIDE VENTILATION.
COVER SPILL WITH DRY SODA ASH, DRY SODIUM CHLORIDE OR ANSUL
MET-L-X. KEEP WATER AWAY! PREVENT ANY RUN-OFF TO SEWER (EXPLOSION
HAZARD!) SCOOP MIXTURE INTO DRY BUCKET AND COVER WITH DRY POWDER.
Neutralizing Agent:DRY SODA ASH, DRY SODIUM CHLORIDE TO ANSUL MET-L-X.

Handling and Storage Precautions:KEEP CONTAINERS TIGHTLY CLOSED AND IN
A DRY AREA, FREE FROM SOURCES OF HEAT OR IGNITION AND AWAY FROM
WATER.
Other Precautions:PRODUCT SHOULD BE KEPT UNDER INERT GAS OR OIL. STORE
IN SEPARATE AREA AWAY FROM ANY COMBUSTIBLES OR OTHER CHEMICALS.
CONTACT SUPPLIER FOR USE IN HANDLING.

Respiratory Protection:PERSONNEL WORKING WITH THIS HIGHLY REACTIVE
ALLOW MUST HAVE IMMEDIATE AVAILABILITY OF SELF-CONTAINED BREATHING
APPARATUS AND SHOULD WEAR FULL PROTECTIVE CLOTHING.
Ventilation:NONE SPECIFIED BY MANUFACTURER.
Protective Gloves:PVC MOLESKIN FLAMEPROOF COTTON
Eye Protection:TIGHT FITTING GOGGLES & FACE SHIELD
Other Protective Equipment:RUBBER BOOTS INSIDE PANTS-ALL OUTER CLOTHES
SHOULD BE FLAMEPROOF. EYEWASH STATION & SHOWER REMOTE FROM NAK
ALLOY USE.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
THE NAOH AND KOH GENERATED BY THIS ALLOY ON REACTION WITH WATER ARE
HIGHLY CAUSTIC TO HUMAN TISSUE; CONTACT WILL PRODUCE SEVERE BURNS.
EYE CONTACT CAN PRODUCE SEVERE AND PERMANENT INJURY. INGESTION OF
THIS MATERIAL IS NOT LIKELY BECAUSE OFTHE CAUSTIC SMOKE IT
GENERATES IN THE AIR.

Boiling Pt:B.P. Text:1443F,784C
Melt/Freeze Pt:M.P/F.P Text:12F,-11C
Vapor Pres:<0.07
Spec Gravity:0.847
Solubility in Water:REACTS VIOLENTLY!
Appearance and Odor:SILVERY MOBILE LIQUID METAL, NO ODOR.

Stability Indicator/Materials to Avoid:YES
H2SO4, CARBON DIOXIDE, HALOGENATED HYDROCARBONS, TEFLON. AL, CU, AG &
AU DISSOLVE IN NAK.
Stability Condition to Avoid:REACTS VIOLENTLY WITH WATER PRODUCING NAOH
AND KOH, LIBERATING HW WHICH THEN EXPLODES IN AIR.
Hazardous Decomposition Products:PEROXIDES RESULT FROM EXPOSURE TO AIR
WHICH CAN REACT EXPLOSIVELY WITH EASILY REDUCED MATERIALS.
Conditions to Avoid Polymerization:THERMAL-OXIDATIVE PRODUCTS INCLUDE
CAUSTIC FUMES OF NA20 AND K20.

Waste Disposal Methods:MIX THE LIQUID METAL WITH EXCESS DRY POWDER
EXTINGUISHING AGENTS. IN A REMOTE AREA, SPREAD ON A LARGE IRON PAN
AND IGNITE. FOLLOW FEDERAL, STATE AND LOCAL REGULATIONS. PROTECT
PERSONNEL FROM CAUSTIC F UMES.

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.