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MSDS  : BERYLLIUM OXIDE, BERYLLIA
CAS  : 1304-56-9
NAME  : beryllium oxide
===================== Product Identification =====================

MSDS NAME:BERYLLIUM OXIDE, BERYLLIA
NIIN:00-258-2313
MSDS Number: BTQYD
=== Responsible Party ===
Company:THERMALLOY CO INC
Address:2021 W. VALLEY VIEW LAND
Box:810839
City:DALLAS
State:TX
ZIP:75381
Country:US
Info Phone Num:214-243-4321
Emergency Phone Num:214-243-4321
CAGE:13103
=== Contractor Identification ===
Company:THERMALLOY CO INC
Address:2021 W. VALLEY VIEW LAND
Box:City:DALLAS
State:TX
ZIP:75381
Country:US
Phone:214-243-4321
CAGE:13103

============= Composition/Information on Ingredients =============

Name:BERYLLIUM OXIDE
CAS:1304-56-9
RTECS #:DS4025000
Fraction by Wt: N/GIVEN
Other REC Limits:NONE RECOMMENDED
OSHA PEL:0.002 BE
ACGIH TLV:0.002 BE

===================== Hazards Identification =====================

LD50 LC50 Mixture:NOT GIVEN.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:INHAL MAY CAUSE BERYLLIOSIS, A SEROUS
CHRONIC LUNG DISEASE. THERE IS NO ACUTE INHAL HAZARD. HADNLING OF
SOLID SHAPES PRESENTS NO DERMATITIS OR SKIN ABSORPTION PROBLEM
Explanation of Carcinogenicity:BERYLLIUM HAS BEEN LISTED BASED
PRINCIPALLY ON ANIMAL TEST AS A POTENTIAL CANCER HAZARD.
Effects of Overexposure:INHALATION MAY CASUE BERYLLIOSIS WITH COUGH,
CHEST PAIN, SHORTNESS OF BRATH, WEIGHT LOSS, WEAKNESS, AND FATIGUE.
Medical Cond Aggravated by Exposure:NOT GIVEN.

======================= First Aid Measures =======================

First Aid:INHAL:REMOVE FROM EXPOSURE AND CONSULT A PHYSICIAN. HANDLING
OF SOLID SHAPES PRESENTS NO DERMATITIS OR SKIN ABSORPTION PROBLEM.

===================== Fire Fighting Measures =====================

Extinguishing Media:PER HMIS:NOT FLAM; FIRE EXTINGUISHING AGENTS:NOT
PERTINENT; USE APPROPRIATE EXTINGUISHING AGENT FOR SURROUNDING
FIRE.
Fire Fighting Procedures:WEAR GOGGLES AND SELF-CONTAINED BREATHING
APPARATUS WHEN FIGHTING FIRES.
Unusual Fire/Explosion Hazard:VOLATILE BERYLLIUM HYDROXIDE CAN BE
FORMED WHEN FIRING SOLID BERYLLIUM OXIDE PARTS @ HIGH TEMP(>1200C)
& IN MOIST ATMOSPHERES.POISONOUS GASES MAY BE PRODUCED.

================== Accidental Release Measures ==================

Spill Release Procedures:GUARD AGAINST POSSIBILITY OF GRIND/CRUSH
ACTION.IF SO VACUUM UP PARTICLES.DISPOSE PROPERLY.WEAR PROPER RESP
& PROTECTIVE CLOTH.MUST USE VACUUM EQMT PROVIDED W/ABSOLUTE
FILTER(HEPA).DRY SWEEPING MUST N OT BE PERMITTED.
Neutralizing Agent:NOT RELEVANT.

====================== Handling and Storage ======================

Handling and Storage Precautions:MACHINING OF BERYLLIA UNDER A LIQUID
LUBRICANT/COOLANT CONTAINING FINELY DIVIDED BERYLLIA IN SUSPENSION
CAN RESULT IN CONCENTRATION(SEE OTHER PRECAUT)
Other Precautions:BUILDIDNG TO WHERE PARTICULATE BECOMES AIRBORNE
DURING USE.CENTRIFUGE INSTALLED INLINE SOLVES PROBLEM.CARE SHOULD
BE TAKEN WHEN SERVICING AIR CLEANING EQPMT, CLEANING MUFFLES,
ETC.SPECIALLY WHEN USED FOR LONG PERIOD OF TIME.

============= Exposure Controls/Personal Protection =============

Respiratory Protection:NO PROTECTIVE EQPMT/CLOTH REQUIRED WHEN HANDLING
SOLID FORMS.APPROVED HI EFFICIENCY CARTRIDGE RESP OR SUPPLIED AIR
MASK REQUIRED IF BE IN AIR CONCEN EXCEEDS OSHA STD.WEAR BULL BODY
PROTECTIVE CLOTH FO R OPERATIONS WHERE EXPOSED TO DUST/MIST
Ventilation:ADEQUATE LOCAL EXHAUST WHEN PERFORMING WHERE RESPIRABLE
DUST/MIST/FUME ARE GENERATED.
Protective Gloves:PROTECTIVE GLOVES.
Eye Protection:SAFETY GOGGLES.
Other Protective Equipment:FULL BODY PROTECTIVE CLOTHING.
Work Hygienic Practices:ALL CONTAMINATED CLOTHING SHOULD BE PLACED IN
SEALED CONTAINERS & SENT TO SPECIAL LAUNDRY FACILITIES.
Supplemental Safety and Health
OPERATIONS GENERATING AIRBORNE MATL MUST BE AIR SAMPLED TO DETERMINE
EMPLOYEE EXPOSURE LEVELS. MED SURVEILLANCE SHOULD BE CONDUCTED FOR
EMPLOYEES WHERE WARRANTED BY EXPOSURE DATA.

================== Physical/Chemical Properties ==================

HCC:N1
Melt/Freeze Pt:M.P/F.P Text:254F,123C
Spec Gravity:2.86
Appearance and Odor:WHITE SOLID

================= Stability and Reactivity Data =================

Stability Indicator/Materials to Avoid:YES
NOT GIVEN.
Stability Condition to Avoid:HIGH TEMPERATURES.
Hazardous Decomposition Products:VOLATILE BEOH CAN BE FORMED WHEN
FIRING SOLID BEO PARATS @ HIGH TEMP(>1200C) & IN MOIST ATMOSPH.
POISONOUS GAS.

==================== Disposal Considerations ====================

Waste Disposal Methods:CAUSE OF BEO SCRAP VALUE NORMALLY RECYCLED.IF
NOT SOLID MATL MAY BE LANDFILLED.CAUSE OF INHAL HAZ AS DISCARDED
POWDER(BAGHOUSE FINES)MFG RECOMMENDS:SEAL IN 2 PLASTIC BAG,PLACE IN
DOT POISON B CONTAINE RS,USE APPROPRIATE LABELS,SHIP TO HAZ WASTE
DISPOS

=================== MSDS Transport Information ===================

Transport Information:ALTHOUGH THE PRODUCT AS A DUST OR POWDER PRESENTS
A PROBLEM AS AN INHALATION HAZARD, THAT OCCURS ONLY WHEN SUBJECTED
TO GRINDING, WELDING, ETC. HOWEVER, FOR TRANSPORTATION PURPOSES,
THE PRODUCT IS "NO T REGULATED" AS IT IS NOT IN A POWDER FORM, BUT
RATHER A POWDER WHICH HAS UNDERGONE A SINTERING PROCESS TO GENERATE
A "FORMED SOLID OBJECT". FURTHERMORE ALTHOUGH THIS IS A BERYLLIUM
COMPOUND, ITS HAZA RDOUS BEHAVIOR IS EXHIBITED ONLY WHEN IT IS
SUBJECTED TO EXTERNAL ACTIONS SUCH AS GRINDING, WELDING, ETC. ONE
NEEDS TO CONSIDER ONLY ADVERSE ACTIONS RELATED TO USE OF THE
PRODUCT AS OPPOSED TO ITS SHI PMENT.

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.

*** END OF RECORD ***
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