Product ID:K313
MSDS Date:10/01/1991
FSC:3439
NIIN:00N052892
MSDS Number: CDNSS

KENNAMETAL INC

981 SOUTH
LATROBE, PA 15650
US

Emergency Phone: 800-424-9300 (CHEMTREC)

Info Phone: 412-539-5150

Cage: EO189

KENNAMETAL, INC.

231 LATROBE, PA 15650-0231 US

Telephone: 412-539-5000

Cage: 85597

68.0-95.9

CAS: 12070-12-1

RTECS: YO7250000

Fraction By Weight: <95.9%

OSHA PEL 5 MG W/M3

ACGIH TLV: 5 MG W/M3

COBALT (SARA 313)

CAS: 7440-48-4

RTECS: GF8750000

Fraction By Weight: 1-10%

OSHA PEL 0.1 MG/M3

ACGIH TLV: 0.02 MG/M3; A3

TANTALUM CARBIDE

CAS: 12070-06-3

Fraction By Weight: 1-5%

OSHA PEL 5 MG TA/M3

ACGIH TLV: 5 MG TA/M3

TITANIUM CARBIDE

CAS: 12070-08-5

Fraction By Weight: 1-5%

OSHA PEL N/K

ACGIH TLV: N/K

NIOBIUM CARBIDE

CAS: 12069-94-2

Fraction By Weight: 1-5%

OSHA PEL N/K

ACGIH TLV: N/K

CHROMIUM CARBIDE

CAS: 12012-35-0

Fraction By Weight: 0.1-7.0%

OSHA PEL 0.5 MG CR/M3

ACGIH TLV: 0.05 MG CR/M3

OXIDE (BURNS W/INCANDESCENCE IF HEATED TO

RTECS: 9999999ZZ

AMMONIUM NITRATE+METALS/BROMINE

RTECS: 9999999ZZ

HYDRAZINIUM NITRATE (DECOMPOSES EXPLO UPON RAPID

RTECS: 9999999ZZ

USUALLY IN FLEXOR AREAS OF ELBOW, NECK &

RTECS: 9999999ZZ

ING 1 MAY CAUSE GI IRRIT. LGE DOSES MAY CAUSE

RTECS: 9999999ZZ

SENSATIONS OF HOTNESS/NAUS. SEV EXPOS MAY CAUSE

RTECS: 9999999ZZ

ING 1 MAY

RTECS: 9999999ZZ

PREVIOUSLY EXPOSED PERS MAY BE AT INCRD RISK. ING 2

RTECS: 9999999ZZ

OBSTRUCTED AIRWAYS SYNDROME, INTERSTITIAL LUNG

RTECS: 9999999ZZ

ING 3 HAS BEEN DEMONSTRATED TO BE PHYSIOLOGICALLY

RTECS: 9999999ZZ

PNEUMOCONIOSIS. ING 6 MAY CAUSE HISTOLOGIC FIBROSIS

RTECS: 9999999ZZ

MAY CAUSE CONT DERM. ING 2 MAY CAUSE CONT DERM.

RTECS: 9999999ZZ

ING 2 MAY ADVERSELY AFFECT

RTECS: 9999999ZZ

IF

RTECS: 9999999ZZ

HAS BEEN SWALLOWED, INDUCE VOMIT. DO NOT ATTEMPT TO

RTECS: 9999999ZZ

RESP W/FULL FACEPIECE, SUPP-AIR RESP W/FULL

RTECS: 9999999ZZ

POWERED AIR-PURIFYING RESP W/HIGH-EFFICIENCY FILTER

RTECS: 9999999ZZ

FACEPIECE OPERATED IN PRESS-DEMAND/OTHER POS-PRESS

RTECS: 9999999ZZ

DUST SHOULD BE REMOVED BY WASHING/VACUUMING.

RTECS: 9999999ZZ

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:YES OSHA:NO
Health Hazards Acute and Chronic:ACUTE:INHAL:ING 1 MAY CAUSE COUGHING,
DYSPNEA, SORENESS IN CHEST, WT LOSS, HEMOPTYSIS, BRONCH & ASTHMA,
PULM FIBROSIS. RADIOLOGICAL CHANGES MAY BE NOTED IN LUNGS. ING 2
MAY CAUSE SHORTNESS OF BRTH, AS THMA, DYSPNEA ON EXERTION,
WHEEZING, INTERSTITIAL PNEUMIT &/LUNG DENSITIES. ING 4 MAY BE
CONSIDERED A (EFTS OF OVEREXP)
Explanation of Carcinogenicity:COBALT: IARC MONO ON THE EVALUATION OF
CARCIN RISK OF CHEMICALS TO MAN, VOL 52, PG 363, 1991: GROUP 2B.
ANIMAL: GI.
Effects of Overexposure:HLTH HAZ:NUISANCE DUST & MAY RSLT IN DUST ACCUM
IN LUNGS. ING 5 MAY CAUSE RESP IRRIT. ING 6 MAY CAUSE IRRIT & PULM
EDEMA AFTER EXPOS TO HIGH CONCS. SKIN:ING 1 MAY CAUSE IRRIT W/DERM,
ECZEMA & ITCH, SE NSIT DERM IF PREVIOUSLY EXPOSED. ING 2:SENSIT
DERM MAY OCCUR IN PERS WHO ARE PREVIOUSLY EXPOSED. RASH MAY
DEVEL,(ING 10)
Medical Cond Aggravated by Exposure:PREEXISTING PULMONARY AND SKIN
CONDITIONS SUCH AS EMPHYSEMA, ASTHMA, BRONCHITIS, AND DERMATITIS
MAY BE AGGRAVATED BY EXPOSURE TO THIS MATERIAL.

First Aid:INHAL:REMOVE TO FRESH AIR IMMED. IF BRTHG HAS STOPPED,
PERFORM ARTF RESP. KEEP WARM & AT REST. GET MED ATTN IMMED.
SKIN:REMOVE CONTAM CLTHG & SHOES IMMED. WASH AFFECTED AREA
W/SOAP/MILD DETERGENT & LG E AMTS OF WATER UNTIL NO EVIDENCE OF
MATL REMAINS (APPROX 15-20 MIN). GET MED ATTN. EYE:WASH IMMED W/LGE
AMTS OF WATER, OCCAS LIFTING UPPER & LOWER LIDS, UNTIL NO EVIDENCE
OF MATL REMAINS (ING 20)

Extinguishing Media:FOR LOCALIZED POWDER FIRES, SMOTHER WITH DRY SAND,
DRY DOLIMITE, SODIUM CHLORIDE OR SODA ASH.
Fire Fighting Procedures:WEAR NIOSH APPRVD SCBA & FULL PROT EQUIP .
MOVE CONTR FROM FIRE AREA IF POSS. COOL CONTRS EXPOSED TO FLAME
W/WATER FROM SIDE UNTIL WELL AFTER (SUP DAT)
Unusual Fire/Explosion Hazard:FINELY DIVIDED TUNGSTEN CARBIDE
POWDER/DUST FROM GRINDING IS EXPECTED TO BE A FIRE EXPLO HAZ WHEN
EXPOSED TO HIGH PRESS/IGNIT SOURCES. PARTICLE SIZE & (SUP DAT)

Spill Release Procedures:SWEEP UP WITH A MINIMUM OF DUST GENERATION AND
PLACE IN SUITABLE CLEAN, DRY CONTAINERS FOR RECLAMATION OF LATER
DISPOSAL. RESIDUE SHOULD BE CLEANED UP USING HIGH-EFFICIENCY
PARTICULATE FILTER VACUUM/W ET CLEAN UP. USE APPROP NIOSH APPRVD
RESP PROT.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:MINIMIZE FREE FALL OF POWDER & AVOID
DISPERSION OF DUST IN AIR. FINELY DIVIDED PARTICLES, DUST/FUMES MAY
BE FLAMMABLE/EXPLOSIVE.
Other Precautions:KEEP AWAY FROM SPARKS/IGNIT SOURCES. CONTENTS SHOULD
BE STORED IN CLEAN, DRY, COOL AREA. PERIODIC MEDICAL EXAMINATIONS
ARE RECOMMENDED FOR INDIVIDUALS REGULARLY EXPOSED TO DUST/MIST.
CONT LENSES SHOUL D NOT BE WORN WHEN USING/REPROCESSING.

Respiratory Protection:NIOSH APPRVD: SINGLE USE DUST & MIST RESP (0.05
MG/M3); DUST MASK (EXCEPT SINGLE-USE RESP) (0.5 MG/M3); DUST MASK
(EXCEPT SINGLE-USE & QUARTER-MASK RESPS), FUME/HIGH-EFFICIENCY
PARTICULATE RESP (1 MG/ M3); HIGH EFFICIENCY PARTICULATE(ING 22)
Ventilation:PROVIDE LOCAL EXHAUST VENTILATION OR GENERAL DILUTION
VENTILATION TO MAINTAIN EXPOSURE LEVELS BELOW TLV/TWA.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPRVD EMER EYEWASH & DELUGE SHOWER .
WEAR BARRIER CREAMS TO PVNT CONT. WEAR APPROP PROT CLTHG & EQUIP.
Work Hygienic Practices:WASH HANDS THORO AFTER HNDLG, BEFORE
EATING/SMKNG. DO NOT SHAKE CLTHG, RAGS/OTHER ITEMS TO REMOVE DUST.
(ING 25)
Supplemental Safety and Health
FIRE FIGHT PROC: FIRE IS OUT. FOR MASSIVE FIRE IN CARGO AREA, USE
UNMANNED HOSE HOLDER/MONITOR NOZZ/WITHDRAW & LET FIRE BURN. AVOID
BRTHG FUMES FROM BURNING MATL. EXPLO HAZ: DISPERSION IN AIR
DETERMIN E REACTIVITY. TUNGSTEN CARBIDE PROD, EXCEPT AS
POWDER/DUST, IS NOT A FIRE HAZ.

Boiling Pt:B.P. Text:5198F,2870C
Melt/Freeze Pt:M.P/F.P Text:2723F,1495C
Spec Gravity:11-15.5(H*2O=1)
Evaporation Rate & Reference:NEGLIGIBLE
Solubility in Water:PRACTICALLY INSOL
Appearance and Odor:GRAY POWDER OR SOLID
Percent Volatiles by Volume:NEGLIG

Stability Indicator/Materials to Avoid:YES
TUNGSTEN CARBIDE W/CHLORINE TRIFLUORIDE (REACTS W/FLAME); FLUORINE
(INCANDENSES); NITROGEN DIOXIDE, NITROUS (ING 7)
Stability Condition to Avoid:STABLE UNDER NORMAL TEMPERATURES AND
PRESSURE.
Hazardous Decomposition Products:THERMAL DECOMPOSITION MAY RELEASE
ACRID SMOKE AND IRRITATING FUMES.

Waste Disposal Methods:THIS IS A VALUABLE MATERIAL THAT SHOULD BE SENT
TO AN APPROPRIATE RECLAMATION FACILITY IF AVAILABLE. IT MATERIAL
CANNOT BE SENT TO A RECLAMATION FACILITY, DISPOSAL SHOULD BE MADE
IN COMPLIANCE W/FEDER AL, STATE & LOCAL ENVIRONMENTAL REGULATIONS.

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.