Product ID:CESIUM
MSDS Date:11/01/1985
FSC:6625
NIIN:01-251-6810
MSDS Number: BJJKC

CABOT CORP

READING, PA 19603

Emergency Phone: 215-921-5000; 800-424-9300 CHEMTREC

Info Phone: 215-921-5000

Preparer: W J HETRICK

Cage: 0VZP9

CABOT CORP ALUMINUM MASTER ALLOY BUSINESS UNIT

1296 READING, PA 19601 US

Telephone: 215-921-5000,CHEMTREC 800-424-9300

Cage: 70787

CESIUM METAL

CAS: 7440-46-2

RTECS: FK9225000

Fraction By Weight: 100%

FOR A SPILL OR RELEASE EXISTS IT IS ADVISABLE TO

RTECS: 9999999ZZ

ATMOSPHERE SUCH AS ARGON. STORE UNDER

RTECS: 9999999ZZ

KEEP AWAY FROM ACIDS, OXIDIZERS AND COMBUSTIBLES AND

RTECS: 9999999ZZ

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: THIS MATERIAL MAY IGNITE ON
CONTACT WITH MOISTURE AND CAUSE SEVERE BURNS TO TISSUE ON CONTACT.
CHRONIC: CESIUM HAS BEEN REPORTED TO REPLACE POTASSIUM IN ANIMAL
STUDIES. INDICATIONS ARE THAT OV EREXPOSURE COULD LEAD TO MUSCLE
AND REDBLOOD CELL ACCUMULATION WITH POSSIBLE NEUROMUSCULAR EFFECT.
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:INHAL:DUSTS,MISTS,FUMES OR GASES IF INHALED
WILL CAUSE IMMED TISS DESTRUCT . INGEST: WILL CAUSE IMMED TISS
DESTRUCT. SKIN: LIQ,FUME,DUST OR MIST SKIN CONTACT WILL CAUSE
IMMED DESTRUCT OF TISS A ND BURNS. EYES: DUSTS,MISTS OR FUMES ARE
DANGEROUS TO EYE AND SURR TISSUE.WILL CAUSE IMMED DESTRUCT OF TISS
AND BURNS.
Medical Cond Aggravated by Exposure:INDIVIDUALS WITH PRE-EXISTING SKIN
AND EYE DISORDERS OR DAMAGE TO MUCOUS MEMBRANES SHOULD AVOID
EXCESSIVE EXPOSURE TO DUSTS OR MISTS. DAMAGE TO NERVES,BLOOD OR
KIDNEYS COULD OCCUR.

First Aid:INHAL: REMOVE TO FRESH AIR. IF BREATHING STOPPED,PERFORM ARTF
RESP AND SEE MD IMMED. INGEST: IF CONSCIOUS GIVE LG QTY OF WATER OR
MILK, SEE MD IMMED. SKIN: FLUSH W/LG AMTS OF WATER, SEE MD IMMED.
EYES : FLUSH W/LG AMTS OF CLEAN WATER, SEE MD IMMED. DO NOT WEAR
CONTACT LENSES IF WORKING W/LIQ, DUSTS AND POWDERS.

Flash Point:NONE
Lower Limits:NONE
Upper Limits:NONE
Extinguishing Media:THIS MATERIAL IS FLAMMABLE. USE DRY SAND,DRY
GRAPHITE, OR CLASS "D" EXTINGUISHING AGENT. NEVER USE WATER.
Fire Fighting Procedures:USE A NIOSH/MSHA APPROVED FULLFACE, AIR
SUPPLIED POSITIVE PRESSURE RESPIRATORY DEVICE.
Unusual Fire/Explosion Hazard:THIS MATERIAL WILL REACT VIOLENTLY WITH
WATER AND IS EXPLOSIVE IN MOIST AIR OR WATER. EXTREME CAUTION IS
NECESSARY.

Spill Release Procedures:MATL MAY IGNITE SPONTANEOUSLY IN AIR. COVER
WITH QTYS OF DRY SAND, GRAPHITE OR CLASS "D" FIRE EXTING AGENT.
ALLOW MATL TO OXIDIZE TO A POWDER OR DUST. DO NOT GENERATE DUST,
AVOID WATER CONTAMINATION. (SEE SUPP DATA).
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:GLASS AMPOULES & STAINLESS STEEL CYL
SHOULD BE USED TO HNDL & TRANSPORT.STORE, HANDLE & TRANSFER MATL
UNDER VACUUM OR INERT (SEE INGREDIENT 3).
Other Precautions:CESIUM IS NOT STABLE IN AIR AND MUST BE STORED IN
GLASS OR STEEL CONTAINERS UNDER VACUUM,ARGON OR SUBMERGED IN
MINERAL OIL.

Respiratory Protection:USE NIOSH/MSHA APPROVED RESPIRATORS APPROPRIATE
FOR EXPOSURE OF CONCERN .
Ventilation:LOCAL EXHAUST VENTILATION TO CONTROL EXPOSURE TO DUST, MIST
OR FUME.
Protective Gloves:IMPERVIOUS.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:PROTECTIVE CLOTHING SUCH AS UNIFORMS,
DISPOSABLE COVERALLS, SAFETY SHOES,ETC. MAY BE REQUIRED DURING
HANDLING OPERATIONS
Work Hygienic Practices:DO NOT WEAR CONTACT LENSES WHEN HANDLING THIS
MATERIAL.
Supplemental Safety and Health
SPILL PROC: USE DRY CLEANUP MEASURES FOR OXIDIZED MATL. LIQS,POWDERS OR
DUSTS MAY HAVE SIGNIFICANT IMPACT ON AIR AND WATER QUALITY.
AIRBORNE EMISSIONS, SPILLS & RELEASES TO THE ENVIRONMENT (DISCHARGE
TO STREAMS,SEWER SYS,GROUND WATER,SURFACE SOIL,ETC.) SHOULD BE
CONTROLLED IMMED. IF SUCH POTENTIAL (SEE INGRED 2).

Boiling Pt:B.P. Text:9301F,705C
Melt/Freeze Pt:M.P/F.P Text:83.3F,28.5C
Vapor Pres:1.0@279C
Solubility in Water:DECOMPOSES
Appearance and Odor:LIQUID OR SOLID - SILVER/WHITE COLOR - NO ODOR
Percent Volatiles by Volume:NONE

Stability Indicator/Materials to Avoid:NO
AVOID CONTACT WITH AIR, OXYGEN OR WATER.
Stability Condition to Avoid:MATERIAL REACTS VIGOROUSLY WITH AIR AND
EXPLOSIVELY WITH MOISTURE, ACIDS AND OXIDIZERS.
Hazardous Decomposition Products:VARIOUS ELEMENTAL CONSTITUENTS OR
CMPDS MAY BE GENERATED AS A RESULT OF HEATING, THERMAL
DECOMPOSITION OR CHEM RXN.

Waste Disposal Methods:DISPOSE OF I/A/W FEDERAL, STATE, AND LOCAL REGS
. CONSIDER IF MATL HAS RECOVERY VALUE. CONTACT AN ENVIRONMENTAL
ENGINEER OR CONSULTANT FAMILIAR WITH WASTE DISPOSAL REGULATIONS.

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disclaims all liability for its use. Any person utilizing this
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particular situation.