Product ID:BERYLLIUM COPPER CASTING ALLOYS, 21C (C8251
MSDS Date:11/01/1985
FSC:9525
NIIN:00N035533
MSDS Number: BQPNL

CABOT CORP

READING, PA 19603
US

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

Info Phone: 215-921-5000;215-921-5002

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

EXPOS WHICH ABRADES SKIN CAN CAUSE IRRIT & DERM.

RTECS: 9999999ZZ

OR MECH INJURY TO CORNEA OR CONJUNCTIVA BY

RTECS: 9999999ZZ

RESP IRRIT, COUGH, BRONCH, CHILLS, "FUME FEVER", &

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FROM SHORTNESS OF BREATH & COUGH TO PERM DISABILITY

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EFFECTS ON HEART MAY BE CAUSED BY EXCESS EXPOSURE TO

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BERYLLIUM HAS BEEN LINKED TO NASAL, BRONCHIAL AND

RTECS: 9999999ZZ

CONCENTRATION CAN CAUSE A SERIOUS LUNG DISEASE,

RTECS: 9999999ZZ

ELEMENT(S) MAY BE DIFFCULT TO DETECT DUE TO

RTECS: 9999999ZZ

CARCINOGEN (GROUP 2, NTP SIXTH ANNUAL

RTECS: 9999999ZZ

CARCINOGENIC TO HUMANS (GROUP 2B, IARC MONOGRAPH VOL

RTECS: 9999999ZZ

BERYLLIUM (SARA III)

CAS: 7440-41-7

RTECS: DS1750000

Fraction By Weight: 2.35%

OSHA PEL 2 UG/M3

ACGIH TLV: 0.002PPM; A2; 9293

COBALT

CAS: 7440-48-4

RTECS: GF8750000

Fraction By Weight: 1.1%

OSHA PEL 0.1 MG/M3;AS CO

ACGIH TLV: 0.05 MG/M3;DUST 9293

COPPER (SARA III)

CAS: 7440-50-8

RTECS: GL5325000

Fraction By Weight: BALANCE

OSHA PEL 0.1MG/M3 FUME;1 DUST

ACGIH TLV: 0.2MG/M3 FUME;1 DUST

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

CNDTNS SUCH AS ASTHMA, EMPHYSEMA, CHRONIC

RTECS: 9999999ZZ

OF DUST/FUME ARE INHALED. IF PRIOR DMG OR DISEASE TO

RTECS: 9999999ZZ

RENAL (KIDNEY) SYS HAS OCCURED, PROPER SCREENING OR

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TO FURTHER RISK IF HANDLING AND USE OF MATERIAL

RTECS: 9999999ZZ

PARTICULATE METAL (DUST, FUME OR

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PARTICULATE (CHIPS, DUST/POWDER) IS ALWAYS POTNTL

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THE HAND/CLTHG IS CONTAM W/METAL PARTICULATE.

RTECS: 9999999ZZ

EYE & MUCOUS MEMBRANE. CONTACT W/CHROME, COBALT,

RTECS: 9999999ZZ

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:INHAL:INHAL OF METAL DUST, FUME OR
POWDER MAY RSLT FROM MELTING, DROSS HNDLG, CASTING, WELDING,
GRINDING, CRUSHING OR SIMILAR OPERS WHICH GENERATE AIRBORNE METAL
PARTICULATE DURING USE OF MATL. INGEST :HAND, CLTHG, FOOD & DRINK
CNTCT W/METAL DUST, FUME OR POWDER CAN CAUSE INGEST OF PARTICULATE
DURING (EFTS OF OVEREXP)
Explanation of Carcinogenicity:BERYLLIUM: PROBABLY CARC TO HUM (GROUP
2A, IARC MONOGRAPH SUPPLEMENT 7, PAGE 127, 1987). ANTICIPATED TO BE
A (ING 20)
Effects of Overexposure:HLTH HAZ:HAND TO MOUTH ACTIVITIES SUCH AS
EATING, DRINKING, SMOKING, NAIL BITING, ETC. SKIN:CNTCT W/MATL MAY
CAUSE, IN SOME SENSITIVE INDIV, AN ALLERG RESPONSE IF ELEMENTS SUCH
AS CHROME, COBALT, COPP ER & NICKEL ARE PRESENT. IN FORM OF METAL
DUST POWDER, SKIN CNTCT OR ABRASION MAY ALSO CAUSE IRRIT OR DERM.
(ING 8)
Medical Cond Aggravated by Exposure:INDIV WHO MAY HAVE HAD ALLERG RXN
OR SENSIT TO METALS SUCH AS CHROME & COPPER MAY ENCOUNTER SKIN
RASH/DERM IF SKIN CNTCT W/PROD OCCURS. PERS W/IMPAIRED PULM
FUNCTION, AIRWAY DISEASES & (ING 4)

First Aid:INHAL:BRTHG DFCLTY CAUSED BY DUST/FUME REQS REMOVAL TO FRESH
AIR. IF BRTHG STOPPED, GIVE ARTF RESP & GET MD IMMED. INGEST:HAVE
AFFECTED PERS DRINK LRG QTYS OF WATER & ATTEMPT TO INDUCE VOMIT IF
CONSCI OUS. GET MD IMMED. SKIN:CUTS/ABRASIONS CAN BE TREATED BY
STANDARD FIRST AID. SKIN CONTAM W/DUST/POWDER CAN BE REMOVED BY
WASHING W/SOAP & WATER. IF IRRIT PERSISTS GET MD. EYE:FLUSH
W/COPIOUS (SUPDAT)

Flash Point:NONE
Lower Limits:NONE
Upper Limits:NONE
Extinguishing Media:USE EXTING MEDIA APPROP TO SURROUNDING FIRE. TO
EXTING METAL POWDER FIRE USE DRY SAND, DRY GRAPHITE OR OTHER
(SUPDAT)
Fire Fighting Procedures:WEAR NIOSH/MSHA APPRVD SCBA & FULL PROTECTIVE
EQUIPMENT . IF MATERIAL IS REDUCED TO POWDER FORM, CAUTION MUST BE
USED TO PREVENT FIRE OR EXPLOSION.
Unusual Fire/Explosion Hazard:NO UNUSUAL FIRE OR EXPLOSION HAZARDS ARE
ASSOCIATED WITH THIS MATERIAL.

Spill Release Procedures:IN SOLID FORM MATL POSES NO SPECIAL CLEAN-UP
PROBLEMS. IF MATL IS IN POWDER/DUST FORM, CLEAN-UP SHOULD BE
CONDUCTED W/VACUUM SYS UTILIZING HIGH EFFICIENCY PARTICULATE AIR
FILTRATION SYS. CAUTION SHOUL D BE TAKEN TO MIN AIRBORNE GEN OF
POWDER (SUPDAT)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE METAL AND METAL POWDER IN DRY
AREA. DO NOT STORE ADJACENT TO MINERAL ACIDS. FINE METAL POWDERS
SHOULD BE KEPT AWAY FROM FLAMES & IGNIT SOURCES.
Other Precautions:PRODUCT MUST BE HANDLED ACCORDINGLY TO THE SIZE,
SHAPE AND QUANTITY OF MATERIAL INVOLVED. SOLID METAL MAY REQ USE OF
HOISTS, CRANES, ETC. POWDERS SHOULD BE MOVED OR TRANSPORTED TO
MINIMIZE SPILL OR RE LEASE POTENTIAL.

Respiratory Protection:USE NIOSH/MSHA APPROVED RESPIRATORS AS SPECIFIED
BY INDUSTRIAL HYGIENIST OR QUALIFIED SAFETY PROFESSIONAL. LUNG
FUNCTION TESTS ARE RECOMMENDED FOR USERS OF NEGATIVE PRESSURE
DEVICES.
Ventilation:LOCAL EXHAUST VENTILATION SHOULD BE USED TO CONTROL
EXPOSURE TO AIRBORNE DUST AND FUME WHENEVER POSSIBLE.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:UNIFORMS, DISPOSABLE COVERALLS, SAFETY
SHOES, ETC. MAY BE REQUIRED DURING METAL HANDLING OPERATIONS AS
APPROPRIATE.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
EXTING MEDIA: CLASS "D" FIRE EXTING POWDER. FIRST AID PROC:AMTS OF
CLEAN WATER FOR AT LEAST 15 MINS. IF IRRIT PERSISTS GET MD. CNTCT
LENSES SHOULD NOT BE WORN WHEN WORKING WITH METAL DUSTS & POWDERS.
SPILL PROC:OR DUST & AVOID CONTAMINATION OF AIR & WATER. PROPERLY
LABEL ALL MATLS COLLECTED IN WASTE CONTAINER.

HCC:N1
Solubility in Water:NONE
Appearance and Odor:SOLID, BRASS COLOR, NO ODOR
Percent Volatiles by Volume:NONE

Stability Indicator/Materials to Avoid:YES
AVOID CONTACT W/MINERAL ACIDS/OXIDIZING AGENTS WHICH MAY GENERATE
HYDROGEN GAS; EVOLUTION OF HYDROGEN MAY BE EXPLO HAZ.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:VARIOUS ELEMENTAL METALS & METAL
OXIDES MAY BE GENERATED FRM MELTING OR DROSS HANDLING OPERATIONS.

Waste Disposal Methods:PRIOR TO DISP CONSIDER IF MATL HAS RECOVERY
VALUE. STATE/FED REGS MAY REQ SPECIFIC LABELING, PACKING, STORAGE,
TRANSPORTATION, & DISP PROC. CNTCT ENVIRON ENGINEER/CONSULTANT
FAMILIAR W/WASTE DISP REGS . DISP MUST BE I/A/W LOC, STATE & FED
REGS .

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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.