BRUSH WELLMAN -- 10 (C17500), BERYLLIUM COPPER WROUGHT ALLOY 
MATERIAL SAFETY DATA SHEET
BRUSH WELLMAN                            AS OF January 1999                             
NSN: 965000N032661
Manufacturer's CAGE: 4B151 
Part No. Indicator: A 
Part Number/Trade Name: 10 (C17500), BERYLLIUM COPPER WROUGHT ALLOY 
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                            General Information
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Company's Name: BRUSH WELLMAN INC 
Company's Street: 14710 W PORTAGE RIVER S ROAD 
Company's City: ELMORE 
Company's State: OH 
Company's Country: US 
Company's Zip Code: 43416-9502 
Company's Emerg Ph #: 419-862-2745;800-424-9300(CHEMTREC) 
Company's Info Ph #: 419-862-2745 
Record No. For Safety Entry: 001 
Tot Safety Entries This Stk#: 001 
Status: SMJ 
Date MSDS Prepared: 01DEC90 
Safety Data Review Date: 21AUG95 
MSDS Preparer's Name: M. KOLANZ & T.N. MARKHAM 
Preparer's Company: SAME 
MSDS Serial Number: BPNFS 
Hazard Characteristic Code: N1 
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                     Ingredients/Identity Information
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Proprietary: NO 
Ingredient: BERYLLIUM (SARA III)
Ingredient Sequence Number: 01 
Percent: 0.4-0.7 
NIOSH (RTECS) Number: DS1750000 
CAS Number: 7440-41-7 
OSHA PEL: 2 UG/M3 
ACGIH TLV: 0.002PPM; A2; 9293 
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Proprietary: NO 
Ingredient: COBALT (SARA III)
Ingredient Sequence Number: 02 
Percent: 2.4-2.7 
NIOSH (RTECS) Number: GF8750000 
CAS Number: 7440-48-4 
OSHA PEL: 0.1 MG/M3;AS CO 
ACGIH TLV: 0.05 MG/M3;DUST 9293 
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Proprietary: NO 
Ingredient: COPPER (SARA III)
Ingredient Sequence Number: 03 
Percent: BALANCE 
NIOSH (RTECS) Number: GL5325000 
CAS Number: 7440-50-8 
OSHA PEL: 0.1MG/M3 FUME;1 DUST 
ACGIH TLV: 0.2MG/M3 FUME;1 DUST 
-------------------------------------
Proprietary: NO 
Ingredient: SUPP DATA: CHRONIC BERYLLIUM DISEASE (CHRONIC BERYLLIOSIS).
CHRONIC BERYLLIUM DISEASE IS CNDTN IN WHICH TISS OF (ING 5)
Ingredient Sequence Number: 04 
NIOSH (RTECS) Number: 9999999ZZ 
OSHA PEL: NOT APPLICABLE 
ACGIH TLV: NOT APPLICABLE 
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Proprietary: NO 
Ingredient: ING 4:LUNGS BECOME INFLAM,RESTRICTING EXCHANGE OF O*2 BETWEEN
LUNGS & BLOODSTREAM. PROD CONTAINS BERYLLIUM & MAY (ING 6)
Ingredient Sequence Number: 05 
NIOSH (RTECS) Number: 9999999ZZ 
OSHA PEL: NOT APPLICABLE 
ACGIH TLV: NOT APPLICABLE 
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Proprietary: NO 
Ingredient: ING 5:CONTAIN NICKEL. OVEREXPOSURE TO BERYLLIUM BY INHALATION
MAY CAUSE BERYLLIOSIS, A SERIOUS CHRONIC LUNG DISEASE.
Ingredient Sequence Number: 06 
NIOSH (RTECS) Number: 9999999ZZ 
OSHA PEL: NOT APPLICABLE 
ACGIH TLV: NOT APPLICABLE 
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Proprietary: NO 
Ingredient: MED CNDTNS:EMPHYSEMA, CHRONIC BRONCH,ETC. MAY INCUR FURTHER
IMPAIRMENT IF EXCESSIVE CONC OF DUST/FUME ARE INHAL. (ING 8)
Ingredient Sequence Number: 07 
NIOSH (RTECS) Number: 9999999ZZ 
OSHA PEL: NOT APPLICABLE 
ACGIH TLV: NOT APPLICABLE 
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Proprietary: NO 
Ingredient: ING 7:IF PRIOR DMG/DISEASE TO NEURO (NERV),CIRCULATORY,
HEMATOLOGIC (BLOOD)/URINARY (KIDNEY) SYS HAS OCCURED, (ING 9)
Ingredient Sequence Number: 08 
NIOSH (RTECS) Number: 9999999ZZ 
OSHA PEL: NOT APPLICABLE 
ACGIH TLV: NOT APPLICABLE 
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Proprietary: NO 
Ingredient: ING 8: PROPER SCREENING OR EXAMINATIONS SHOULD BE CONDUCTED ON
INDIVIDUAL WHO MAY BE EXPOSED TO FURTHER RISK.
Ingredient Sequence Number: 09 
NIOSH (RTECS) Number: 9999999ZZ 
OSHA PEL: NOT APPLICABLE 
ACGIH TLV: NOT APPLICABLE 
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Proprietary: NO 
Ingredient: FIRST AID PROC: DEVELOPMENT OF CORN-LIKE LESIONS.EYES: FLUSH
W/COPIOUS AMTS OF H*2O FOR AT LEAST 15 MIN.IF IRRIT(ING 11)
Ingredient Sequence Number: 10 
NIOSH (RTECS) Number: 9999999ZZ 
OSHA PEL: NOT APPLICABLE 
ACGIH TLV: NOT APPLICABLE 
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Proprietary: NO 
Ingredient: ING 10:PERSISTS OBTAIN MED HELP.CONT LENSES SHD NOT BE WORN
WHEN WORKING W/METAL DUSTS & POWDERS BECAUSE CONT (ING 12)
Ingredient Sequence Number: 11 
NIOSH (RTECS) Number: 9999999ZZ 
OSHA PEL: NOT APPLICABLE 
ACGIH TLV: NOT APPLICABLE 
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Proprietary: NO 
Ingredient: ING 11: LENS MUST BE REMOVED TO PROVIDE ADEQUATE TREATMENT.
Ingredient Sequence Number: 12 
NIOSH (RTECS) Number: 9999999ZZ 
OSHA PEL: NOT APPLICABLE 
ACGIH TLV: NOT APPLICABLE 
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Proprietary: NO 
Ingredient: SPILL PROC: BY WET CLEANING METHODS.
Ingredient Sequence Number: 13 
NIOSH (RTECS) Number: 9999999ZZ 
OSHA PEL: NOT APPLICABLE 
ACGIH TLV: NOT APPLICABLE 
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Proprietary: NO 
Ingredient: WASTE DISP METH: AND MANAGED IN ACCORDANCE WITH FEDERAL, STATE
AND LOCAL REQUIREMENTS.
Ingredient Sequence Number: 14 
NIOSH (RTECS) Number: 9999999ZZ 
OSHA PEL: NOT APPLICABLE 
ACGIH TLV: NOT APPLICABLE 
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Proprietary: NO 
Ingredient: RESP PROT: RECOMMENDED FOR JOBS WITH HIGH POTENTIAL EXPOSURES
SUCH AS CHANGING BAGS IN BAGHOUSE AIR CLEANING DEVICE.
Ingredient Sequence Number: 15 
NIOSH (RTECS) Number: 9999999ZZ 
OSHA PEL: NOT APPLICABLE 
ACGIH TLV: NOT APPLICABLE 
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Proprietary: NO 
Ingredient: VENT: FUME TO MEET ESTABLISHED OCCUPATIONAL EXPOSURE LIMITS.
Ingredient Sequence Number: 16 
NIOSH (RTECS) Number: 9999999ZZ 
OSHA PEL: NOT APPLICABLE 
ACGIH TLV: NOT APPLICABLE 
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                     Physical/Chemical Characteristics
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Appearance And Odor: SOLID, NO ODOR.
Boiling Point: N/A 
Melting Point: N/A 
Vapor Pressure (MM Hg/70 F): N/A 
Vapor Density (Air=1): N/A 
Evaporation Rate And Ref: NOT APPLICABLE 
Solubility In Water: NONE 
Percent Volatiles By Volume: NONE 
pH: N/A 
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                      Fire and Explosion Hazard Data
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Flash Point: NON-COMBUSTIBLE 
Lower Explosive Limit: N/A 
Upper Explosive Limit: N/A 
Extinguishing Media: ALLOYS ARE NON-COMBUST. USE MEDIA SUITABLE FOR
SURROUNDING FIRE CNDTNS. TO EXTING METAL FIRE, USE CLASS D FIRE (SUPDAT)
Special Fire Fighting Proc: WEAR NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT (FP N).
Unusual Fire And Expl Hazrds: DO NOT USE WATER TO EXTINGUISH FIRES AROUND
OPERATIONS INVOLVING MOLTEN METAL DUE TO POTENTIAL FOR STEAM EXPLOSIONS.
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                              Reactivity Data
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Stability: YES 
Cond To Avoid (Stability): NONE SPECIFIED BY MANUFACTURER.
Materials To Avoid: AVOID CONTACT WITH MINERAL ACIDS AND OXIDIZING AGENTS
WHICH MAY GENERATE HYDROGEN GAS. HYDROGEN GAS CAN BE AN EXPLO HAZ.
Hazardous Decomp Products: NONE UNDER NORMAL CONDITIONS OF USE.
Hazardous Poly Occur: NO 
Conditions To Avoid (Poly): NOT RELEVANT.
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                            Health Hazard Data
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LD50-LC50 Mixture: NONE SPECIFIED BY MANUFACTURER. 
Route Of Entry - Inhalation: YES 
Route Of Entry - Skin: NO 
Route Of Entry - Ingestion: YES 
Health Haz Acute And Chronic: SKIN:IN SOME SENSIT INDIV,AN ALLERGIC DERM
RESPONSE. MAY CAUSE IRRIT. EYE:INJ TO EYES CAN RSLT FROM PARTICULATE IRRIT/
MECH INJ TO CORNEA/CONJUNCTIVA BY DUST/PARTICULATE. ACUTE:CAN CAUSE IRRIT
TO SKIN, EYES, NOSE, THROAT,LUNGS & MUC MEMB. SYMP MAY INCL COUGH,METALLIC
TASTE IN MOUTH,FEVER, FATIGUE,& (EFTS OF OVEREXP)
Carcinogenicity - NTP: YES 
Carcinogenicity - IARC: YES 
Carcinogenicity - OSHA: NO 
Explanation Carcinogenicity: COBALT: GROUP 2B (IARC); BERYLLIUM: GROUP 2A
(IARC), ANTICIPATED TO BE CARCINOGEN (NTP).
Signs/Symptoms Of Overexp: HLTH HAZ:NAUS.EXCESSIVE INHAL OF CU/CO/NI CAN
CAUSE RESP IRRIT, COUGH,BRONCH,CHILLS, "METAL FUME FEVER", DECREASED PULM
FUNC,& ASTHMA-LIKE SYMP.CONT W/CO/CU/NI MAY CAUSE ALLERGIC SKIN RXNS.
CHRONIC:CAN CAUSE RESP DISEASE W/SYMP WHICH INCL COUGH,CHEST PAIN, SHORT OF
BRTH,WT LOSS,WEAK,& FATIGUE. EXCESSIVE EXPOS TO(SUPDAT
Med Cond Aggravated By Exp: INDIV WHO MAY HAVE HAD ALLERGIC RXN/SENSIT TO
METALS SUCH AS CO/CU/NI MAY ENCOUNTER SKIN RASH/DERM IF SKIN CONT W/PROD
OCCURS.PERSONS W/IMPAIRED PUL FUNC,AIRWAY DISEASES/CNDTNS SUCH AS ASTHMA,
(ING 7)
Emergency/First Aid Proc: INHAL:REMOVE IMMED TO FRESH AIR.ALTHOUGH NO
CASES IN WHICH PERSON STOPPED BRTHG AS RSLT OF EXPOS ARE KNOWN,IF BRTHG HAS
STOPPED,PERFORM ARTF RESP & OBTAIN MED HELP.INGEST: DRINK LRG QTYS OF H2O &
ATTEMPT TO INDUCE VOMIT IF CONSCIOUS.OBTAIN MED HELP. SKIN:WASH W/SOAP &
H2O.IF IRRIT PERSISTS OBTAIN MED HELP.ACCIDENTAL IMPLANTATION OF MATL
BENEATH SKIN REQS IT BE REMOVED TO PVNT INFECTION/ (ING 10)
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                   Precautions for Safe Handling and Use
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Steps If Matl Released/Spill: IF MATL IS IN POWDER FORM,ESTABLISH
RESTRICTED ENTRY ZONE BASED ON SEV OF SPILL.PERSONS ENTERING RESTRICTED
ZONE MUST WEAR ADEQ RESP PROT/PROT CLTHG APPROP FOR SEV OF SPILL.CLEANUP
SHOULD BE CONDUCTED W/VACUUM SYS UTILIZING HEPA SYS FOLLOWED (ING 13)
Neutralizing Agent: NONE SPECIFIED BY MANUFACTURER.
Waste Disposal Method: WHEN SPENT,ALLOYS ARE NOT CLASSIFIED AS HAZ WASTES
UNDER FED LAW & ARE NORMALLY RECYCLED.DUST-LIKE MATLS SUCH AS BAGHOUSE
FINES SHOULD BE SEALED IN PLASTIC BAG & PLACED IN SOUND CNTNR & APPROP
IDENTIFIED. ALL WASTE MATLS SHD BE PROPERLY LBLD (ING 14)
Precautions-Handling/Storing: NONE SPECIFIED BY MANUFACTURER.
Other Precautions: NONE SPECIFIED BY MANUFACTURER.
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                             Control Measures
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Respiratory Protection: NIOSH/MSHA APPRVD RESP MUST BE USED AS SPECIFIED
BY INDUS HYGIENIST/OTHER QUALIFIED PROFESSIONAL.RESP USERS SHOULD BE MED
EVALUATED TO DETERM IF THEY ARE PHYS CAPABLE OF WEARING RESP. NIOSH/MSHA
APPRVD PRESS-DEMAND AIRLINE RESP ARE (ING 15)
Ventilation: WHENEVER POSS USE OF LOC EXHST VENT/OTHER ENGINEERING CNTRLS
IS PREF METH OF CNTRLG EXPOS TO AIRBORNE DUST & (ING 16)
Protective Gloves: IMPERVIOUS GLOVES (FP N). 
Eye Protection: CHEM WORK GOG & FULL LGTH FSHLD (FP N). 
Other Protective Equipment: PROTECTIVE OVERGARMENTS/WORK CLTHG SHOULD BE
WORN BY PERSONS WHO MAY BECOME CONTAM W/DUSTS, FUMES, OR POWDERS.
Work Hygienic Practices: NONE SPECIFIED BY MANUFACTURER.
AIRBOENE PARTICULATE CONTAINING BE, CO/NI MAY CAUSE LONG-TERM HLTH EFTS
INCL LOSS OF LUNG FUNC, FIBROSIS/SUBSEQUENT SECONDARY EFTS ON HEART W/
EVENTUAL PERM IMPAIRMENT. OVEREXP TO AIRBORNE BE PARTICULATE MAY CAUSE
SERIOUS LUNG DISEASE,IN CERTAIN SENSIT INDIV, CALLED (ING 4)
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                            Transportation Data
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Trans Data Review Date:   92365 
DOT PSN Code: ZZZ 
DOT Proper Shipping Name: NOT REGULATED BY THIS MODE OF TRANSPORTATION
IMO PSN Code: ZZZ 
IMO Proper Shipping Name: NOT REGULATED FOR THIS MODE OF TRANSPORTATION
IATA PSN Code: ZZZ 
IATA Proper Shipping Name: NOT REGULATED BY THIS MODE OF TRANSPORTATION
AFI PSN Code: ZZZ 
AFI Prop. Shipping Name: NOT REGULATED BY THIS MODE OF TRANSPORTATION
Additional Trans Data: NOT REGULATED FOR TRANSPORTATION
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                               Disposal Data
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                                Label Data
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Label Required: YES 
Technical Review Date: 21JUL92 
Label Date: 17JUL92 
Label Status: G 
Common Name: 10 (C17500), BERYLLIUM COPPER WROUGHT ALLOYS 
Chronic Hazard: YES 
Signal Word: WARNING! 
Acute Health Hazard-Moderate: X 
Contact Hazard-Moderate: X 
Fire Hazard-None: X 
Reactivity Hazard-None: X 
Special Hazard Precautions: ACUTE: CAN CAUSE IRRIT TO SKIN, EYES, NOSE,
THROAT, LUNGS, AND MUC MEMB. SYMPTOMS MAY INCLUDE COUGH, METALLIC TASTE IN
MOUTH, FEVER, FATIGUE AND NAUS. EXCESSIVE INHAL CAN CAUSE RESP IRRIT,
COUGH, BRONCHITIS, CHILLS, "METAL FUME FEVER", DECREASED PULM FUNCTION.
CHRONIC: CANCER HAZARD. COBLAT AND BERYLLIUM ARE LISTED AS CARCINOGENS.
OVEREXPOS TO AIRBORNE BERYLLIUM PARTICULATE MAY CAUSE A BERYLLIUM DISEASE
(A SERIOUS LUNG DISEASE) WHICH CAN CAUSE LUNG TISSUE TO BECOME INFLAMED,
RESTRICTING EXCHANGE OF OXYGEN B/T LUNGS AND BLOODSTREAM. MAY CAUSE LOSS OF
LUNG FUNC, FIBROSIS & SECONDARY EFTS TO HEART.
Protect Eye: Y 
Protect Skin: Y 
Protect Respiratory: Y 
Label Name: BRUSH WELLMAN INC 
Label Street: 14710 W PORTAGE RIVER S ROAD 
Label City: ELMORE 
Label State: OH 
Label Zip Code: 43416-9502 
Label Country: US 
Label Emergency Number: 419-862-2745;800-424-9300(CHEMTREC)