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MATERIAL SAFETY DATA SHEET

MOLYBDENUM

                                                                                           

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GENERAL

 

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COMPANY'S NAME: Huizhou TianYi Rare Material Co.,Ltd

 

COMPANY'S TEL #:    0086-752-2021182

 

COMPANY'S Address:   12K of Shiji, Shijixingtian Bldg, YanDa Road, Huizhou China      

 

DATE MSDS PREPARED:  04/07/04

 

DATE MSDS REVISED:     04/11/07

 

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1. PRODUCT IDENTIFICATION

 

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PRODUCT NAME:      MOLYBDENUM

SYNONYM:   MOLYBDENUM METAL

CHEMICAL NATURE: REFRACTORY METAL

FORMULA:   Mo

CAS#:7439-98-7

MOLECULAR WEIGHT:     95.94

 

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2. PHYSICAL AND CHEMICAL CHARACTERISTICS

--------------------------------------------------------------------------------------------------------------------------------------------BOILINGPOINT:4611.85C

MELTING POINT:       2616.85 C

SPECIFIC GRAVITY (H2O=1): 10 .22

VAPOR DENSITY:       N/A

VAPOR PRESSURE:   N/A

EVAPORATION RATE N/A

% VOLATILES:    0

SOLUBILITY IN H2O: INSOLUBLE

PH: N/A

APPEARANCE AND ODOR:     GRAY METAL/ODORLESS.

 

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3. HAZARD IDENTIFICATION

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HAZARDOUS COMPONENTS %    MOLYBDENUM, 0-100

OSHA/PEL    15 MG/M3

ACGIH/TLV   10 MG/M3

 

      PROTECTIVE EQUIPMENT:

 

RESPIRATORY PROTECTION:

 

WHEREAIRBORNEEXPOSURESMAYEXCEEDOSHA/ACGIH

 

PERMISSIBLEAIRCONCENTRATIONS,THEMINIMUM RESPIRATORY PROTECTION RECOMMENDED IS NEGATIVE

 

                       

PRESSURE AIR PURIFYING RESPIRATOR WITH CARTRIDGES

 

THAT ARE NIOSH/MSHA APPROVED AGAINST DUST, FUMES

 

ANDMISTSHAVINGATWALESSTHAN0.05MG/M3

 

VENTILATION:LOCALEXHAUST-

MELT METAL UNDER HOOD WITH INERT GAS COVER.

                       

MECHANICAL

 

USE FILTERS TO TRAP OXIDE SMOKE GENERATED.

 

PROTECTAVEGLOVES:RUBBERFORCHEMICALTREATMENT;HIGHTEMPERATURE

 

FORME EYE/FACE PROTECTION: SAFETY GLASSES RECOMMENDED FOR EXPOSURES THAT

                       

EXCEED PERMISSIBLE AIR CONCENTRATIONS. ALL

 

CONTAMINATED CHLOTHING SHOULD BE REMOVED

BEFORELEAVINGPLANTPREMISES

 

 

 

 

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4. FIRE FIGHTING MEASURES

 

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FLASHPOINT(METHODUSED):N/A

AUTOIGNITION TEMPERATURE:   N/A

FLAMMABLE LIMITS:

UPPER  :      N/A

LOWER:       N/A

EXTINGUISHINGMEDIA:FINEDUSTGENERATEDDURINGGRINDINGOPERATION

MAYIGNITEIFALLOWEDTOACCUMULATEAND

SUBJECTEDTOANIGNITIONSOURCE.COVERBURNING MATERIALWITH AN INERT POWDER, SUCH AS DRY SAND

OR LIME STONE, TO EXCLUDE OXYGENSPECIALFIREFIGHTING PROCEDURES:FORAPOWDERFIRECONFINEDTOSMALLAREA,USEA

RESPIRATORAPPROVEDFORTOXICDUSTSANDFUMES. FOR A LARGE FIRE INVOLVING THIS MATERIAL,                       

FIREFIGHTERS SHOULD USE SELF-CONTAINED BREATHINGAPPARATUS.

UNUSUALFIREANDEXPLOSION HAZARDS:       DUST MAY PRESENT A FIRE OR EXPLOSION HAZARD

UNDER FAVORING CONDITIONS OF PARTICLE SIZE,DISPERSION AND STRONG IGNITION SOURCE. HOWEVER,

THISISNOTEXPECTEDTOBEAPROBLEMUNDERNORMAL HANDLING CONDITIONS.

 

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5. HEALTH HAZARD INFORMATION

 

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EFFECTS OF EXPOSURE:      MOLYBDENUM DUST AND FUMES (FORMED ABOVE 400

 

OC)CANCAUSEIRRITATIONOFTHEEYES,NOSE,THROAT,

 

ANDRESPIRATORYTRACTASIDEFROMISOLATED REPORTS IN THE RUSSIAN LITERATURE SUGGESTING AN

ASSOCIATION BETWEEN MOLYBDEUM EXPOSURE AND

 

PULMONARY AND JOINT DISORDERS (GOUT-LIKE

 

CONDITION),THEREARENORECOGNIZEDLONGTERM

 

EFFECTSATTRIBUTEDTOINDUSTRIALEXPOSURETO MOLIBDENUM. IN GENERAL, MOLYBDENUM AND ITS

 

 

                       COMPOUNDS ARE CONSIDERED TO BE LOW TOXICITY..

 

ACUTEEFFECTS:

 

INHALATION:IFIRRITATIONOCCURS,REMOVEFROMEXPOSURE.TAKE MEDICAL ATTENTION.

 

         

INGESTION: IN CASE OF INGESTION OF SUBSTANTIAL QUANTITIES ,

                       

GIVE PERSON, IF NOT CONSCIOUS, A LARGE QUANTITY OF WATERTODRINK,INDUCEVOMITING.TAKEMEDICAL

 

HELP.

 

SKIN:     IF IRRITATION OCCURS, THOROGHLY WASH AFFECTED

 

 

AREA WITH MILD SOAP AND WATER AND PREVENT

 

 

FURTHER EXPOSURE. IRRITATION PERSISTS, SEEK

 

MEDICALHELP.

 

EYE:IFIRRITATIONOCCURS,FLUSHWITHWATER.SEEK

MEDICALHELPIFIRRITATIONPERSISTS.

 

 

CHRONIC EFFECTS:

 

 

PRIMARY ROUTES OF ENTRY:     DUST, MIST AND/OR FUMES GENERATED DURING

 

PHYSICALORMETALLURGICALTREATMENTMAYBE

INHALED,SWALLOWEDORCOMEINCONTACTWITHTHE SKIN OR EYES.

CARCINOGEICITY: NOT IDENTIFIED AS KNOWN OR SUSPECTED CARCINOGENS BY NTP,IARC, OR OSHA. t00000s

MEDICALCONDITIONS

POSSIBLYAGGRAVATED BY EXPOSURE:

CONDITION TO AVOID:    N/A

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6. STABILITY

 

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STABILITY:   STABLE

INCOMPATIBILITY t00000s(MATERIALTOAVOID):DUSTWITHSTRONGOXIDIZERSANDACIDS.

 

      

HAZARDOUS

 

      DECOMPOSITION PRODUCTS: MOLYBDENUM TRIOXIDE FUMES MAY FORM WHEN THE

 

METAL IS EXPOSED TO HIGH TEMPERATURES..

 

HAZARDOUS

 

POLYMERIZATION:WILLNOTOCCUR

 

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7. EMERGENCY AND FIRST AID PROCEDURES:

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       INHALATION:      REMOVE VICTIM TO FRESH AIR AND GET MEDICAL

ATTENTION

NGESTION:GIVE1-2GLASSESOFWATERANDINDUCEVOMITING. SEEK MEDICAL ATTENTION IF SYMPTOMS PERSIST.

NEVER INDUCE VOMITING OR GIVE ANYTHING BY MOUTHTOANUNCONSCIOUSPERSON.

KIN:VACUUMOFFEXCESSDUST.WASHWELLWITHSOAP

 AND WATER. AVOID BLOWING PARTICULATE IN THE

                       

ATMOSPHERE.

 

EYE:      FLUSH EYES WITH RUNNING WATER TO CLEAN

PARTICLES,LIFTINGUPPERANDLOWEREYELIDS,FORAT

       LEAST 15 MINUTES. SEEK MEDICAL ATTENTION IF

       SYMPTOMS PERSIST.

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8.HANDLINGANDSTORAGE

 

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HANDLING:

 

         RESPIRATORY PROTECTION: USE OF APPROPRIATE NIOSH APPROVED RESPIRATORIF AIRBORNEDUSTCONCENTRATIONSEXCEEDTHETLV.ALL

 

APPROPRIATEREQUIREMENTSSETFORTHIN29CF1910.134

 

SHOULD BE MET

 

 

VENTILATION:    USE LOCAL EXHAUST VENTILATION WHICH IS ADEQUATE

 

                       

TO LIMIT PERSONAL EXPOSURE TO LEVELS WHICH DO NOT EXCEEDTHEPELORTLV.IFSUCHEQUIPMENTISNOT

 

AVAILABLE,USERESPIRSTORSASSPECIFIEDABOVE.

 

 

PROTECTIVE GLOVES:    RECOMMENED

 

 

EYEPROTECTION:SAFETYGOGGLESRECOMMENDED

 

      STORAGE: AWAY FROM ACIDS, BASES OR REDUCING AGENTS.

 

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9.SPILLORLEAKPROCEDURES

 

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STEPS TO BE TAKEN IN  

CASE MATERIAL IS   

RELEASED OR SPILLED: VENTILATE THE AREA OF SPILL. CLEAN-UP USING

 

METHODSWHICHAVOIDDUSTGENERATIONSUCHAS

 

VACUUMING(WITHAPPROPRIATEFILTERTOPREVENT AIRBORNE DUST LEVELS WHICH EXCEED THE PEL OR

 

 

                       TLV), WET DUST MOP OR WET CLEAN-UP. IF AIRBORNE 00000sl

 

DUST IS GENERATED, USE AN APPROPRIATE NIOSH

 

APPROVEDRESPIRATOR.

 

WASTE DISPOSAL METHOD:  DISPOSE OF IN ACCORDANCE WITH LOCAL, STATE AND

       FEDERAL REGULATIONS

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10. TOXICITY DATA

 

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TOXICITY DATA: NONE ESTABLISHED

TOXICOLOGICAL FINDINGS:  NONE CITED IN REGISTRY OF TOXIC EFFECTS OF CHEMICAL

       SUBSTANCES (RTECS)

 

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11. TRANSPORTATION DATA

 

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UN NUMBER:      NONE

HAZARD CLASS: NONE

ADR//RIDCLASS:NONE

IMDG CLASS:      NONE

AIR TRAN. ICAO/IATA CLASS: NONE

MARITIME TRAN. IMDG CLASS:    NONE

 

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12.OTHERINFORMATION

 

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THIS SAFETY DATA SHEET SHOULD BE USED IN CONJUNCTION WITH TECHNICAL SHEETS. IT

      

DOES NOT REPLACE THEM. THE INFORMATION GIVEN IS BASED ON OUR KNOWLEDGE OF THIS PRODUCT,ATTHETIMEOFPUBLICATION.ITISGIVENINGOODFAITH.THEATTENTIONOFTHE

USERISDRAWNTOTHEPOSSIBLERISKSINCURREDBYUSINGTHEPRODUCTFORANYOTHER PURPOSE OTHER THAN THAT FOR WHICH IT WAS INTENDED. THIS DOES NOT IN ANY WAY

 

      

EXCUSE THE USER FROM KNOWING AND APPLYING ALL THE REGULATIONS GOVERNING HIS

      

ACTIVITY. IT IS THE SOLE RESPONSIBILITY OF THE USER TO TAKE ALL PRECAUTIONS REQUIRED INHANDLINGTHEPRODUCT.THEAIMOFTHEMANDATORYREGULATIONSMENTIONEDISTO

 

HELPTHEUSERTOFULFILLHISOBLIGATIONSREGARDINGTHEUSEOFHAZARDOUSPRODUCTS.