SPECTRUM CHEMICAL MFG CORP -- MAGNESIUM OXIDE  -- 6810-00N047528
<pre>=====================  Product Identification  =====================

Product ID:MAGNESIUM OXIDE
MSDS Date:07/16/1992
FSC:6810
NIIN:00N047528
=== Responsible Party ===
Company Name:SPECTRUM CHEMICAL MFG CORP
Address:14422 S SAN PEDRO ST
City:GARDENA
State:CA
ZIP:90248-9985
Country:US
Info Phone Num:301-516-8000
Emergency Phone Num:301-516-8000;800-424-9300(CHEMTREC)
CAGE:63415
=== Contractor Identification ===
Company Name:SPECTRUM LABORATORY PRODUCTS INC
Address:14422 S SAN PEDRO ST
Box:City:GARDENA
State:CA
ZIP:90248-2027
Country:US
Phone:310-516-8000/FAX: 310-516-9843
CAGE:63415

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

Ingred Name:RESP PROT:ANY NIOSH/MSHA APPRVD SCBA.250 MG/M3:ANY
    NIOSH/MSHA APPRVD SUPP-AIR RESP OPER IN CONTINUOUS-FLOW MODE.(ING
    11)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 10: ANY NIOSH/MSHA APPRVD POWERED, AIR-PURIFYING RESP
    W/DUST, MIST & FUME FILTER. 500 MG/M3: ANY NIOSH/MSHA (ING 12)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 11:APPRVD AIR-PURIFYING, FULL-FACEPIECE RESP W/HEPA
    FILTER. ANY NIOSH/MSHA APPRVD SCBA W/FULL FACEPIECE. ANY(ING 13)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 12: NIOSH/MSHA APPRVD SUPP-AIR RESP W/FULL FACEPIECE.
    ANY NIOSH/MSHA APPRVD POWERED, AIR-PURIFYING RESP W/ (ING 14)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 13: TIGHT-FITTING FACEPIECE & HEPA FILTER. 5000 MG/M3:
    ANY NIOSH/MSHA APPRVD SUPP-AIR RESP THAT HAS FULL (ING 15)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 14:FACEPIECE & IS OPER IN PRESS-DEMAND OR OTHER
    POS-PRESS MODE. ESCAPE:ANY NIOSH/MSHA APPRVD AIR-PURIFYING, (ING
    16)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 15:FULL-FACEPIECE RESP W/HEPA FILTER.ANY APPROP
    ESCAPE-TYPE, NIOSH/MSHA APPRVD SCBA.FOR FIREFIGHTING & OTHER(ING
    17)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 16:IDLH CNDTNS:ANY NIOSH/MSHA APPRVD SCBA THAT HAS FULL
    FACEPIECE & IS OPER IN PRESS-DEMAND/OTHER POS-PRESS (ING 18)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 17:MODE.ANY NIOSH/MSHA APPRVD SUPP-AIR RESP THAT HAS
    FULL FACEPIECE & IS OPER IN PRESS-DEMAND OR OTHER (ING 19)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 18: POS-PRESS MODE IN COMBINATION WITH AN AUXILIARY
    SCBA OPER IN PRESS-DEMAND OR OTHER POSITIVE-PRESSURE MODE.
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:FIRST AID PROC: OCCAS LIFTING UPPER & LOWER LIDS, UNTIL NO
    EVIDENCE OF CHEM REMAINS (AT LST 15-20 MINS). GET MED(ING 21)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 20: ATTN IMMED. INGEST: TREAT SYMP & SUPPORTIVELY. GET
    MED ATTN IMMED. IF VOMIT OCCURS, KEEP HEAD LOWER THAN(ING 22)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 21: HIPS TO PREVENT ASPIRATION. ANTIDOTE: NO SPECIFIC
    ANTIDOTE. TREAT SYMPTOMATICALLY AND SUPPORTIVELY.
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:MAGNESIUM OXIDE
CAS:1309-48-4
RTECS #:OM3850000
Fraction by Wt: 100%
OSHA PEL:15 MG/M3
ACGIH TLV:10 MG/M3 TDUST

Ingred Name:SUPP DATA: EMPLOYEE'S EYES MAY BE EXPOS TO SUBSTANCE,
    EMPLOYER SHOULD PROVIDE AN EYE WASH FOUNTAIN W/IN IMMED (ING 3)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 2: WORK AREA FOR EMERGENCY USE.
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:EFTS OF OVEREXP:RAPIDLY, BUT IS QUICKLY LOST. ALL SYMPS
    USUALLY SUBSIDE W/IN 24-36 HRS. SKIN: NO DATA AVAIL. EYE:(ING 5)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 4:MAY CAUSE SLIGHT IRRIT, REDNESS & PAIN. INGEST: MAY
    CAUSE DIARR. MAGNESIUM SALTS ARE GEN SO SLOWLY ABSORBED(ING 6)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 5: THAT ORAL ADMIN CAUSES NOTHING MORE THAN PURGING. IF
    EVACUATION FAILS, MUCOSAL IRRIT & ABSORB MAY OCCUR. (ING 7)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 6: MAGNESIUM MAY PRDCE CNS DEPRESS, ABOLITION OF
    REFLEXES & DEATH FROM RESP PARALYSIS. CHRONIC: INHAL: MAY (ING 8)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 7: CAUSE RESP TRACT IRRIT, NASAL CATARRH & COUGHING UP
    OF DISCOLORED SPUTUM. THERE IS NO EVIDENCE OF LUNG INJ(ING 9)
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 8:FROM INHAL OF MAGNESIUM DUST. SKIN: NO DATA
    AVAIL.EYE: RPTD/PRLNGD EXPOS MAY CAUSE CONJUNCT. INGEST:NO DATA
    AVAIL.
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE:INHAL: DUST MAY CAUSE RESP TRACT
    IRRIT. METAL FUME FEVER, AN INFLUENZA-LIKE ILLNESS, MAY OCCUR IF
    FRESHLY FORMED MAGNESIUM OXIDE FUMES COMPOSED OF PARTICLES SIZED
    BETWEEN 0.02-0.05 MICRONS ARE I NHALED IN SUFF AMTS. SYMPS MAY BE
    DELAYED 4-12 HRS & BEGIN W/SUDDEN ONSET OF THIRST, & SWEET,
    METALLIC (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ:OR FOUL TASTE IN MOUTH. OTHER SYMPS
    MAY INCL UPPER RESP TRACT IRRIT ACCOMPANIED BY COUGHING & DRYNESS
    OF MUC MEMB, LASSITUDE & GENERALIZED FEELING OF MALAISE. FEVER,
    CHILLS, MUSCULAR PAIN, MI LD-SEV HDCH, NAUS, OCCAS VOMIT, DIARR,
    PROSTRATION & LEUKOCYTOSIS MAY ALSO OCCUR. TOLERANCE TO FUMES
    DEVELOPS (ING 4)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:INHAL:REMOVE FROM EXPOS AREA TO FRESH AIR IMMED. IF BRTHG HAS
    STOPPED, PERFORM ARTF RESP. KEEP PERSON WARM & AT REST. TREAT SYMP
    & SUPPORTIVELY. GET MED ATTN IMMED. SKIN:REMOVE CONTAMD CLTHG &
    SHOES I MMED. WASH AFFECTED AREA W/SOAP OR MILDDETERGENT & LRG AMTS
    OF WATER UNTIL NO EVIDENCE OF CHEM REMAINS (APPROX 15-20 MINS). GET
    MED ATTN IMMED. EYE:WASH IMMED W/LRG AMTS OF WATER/NORM SALINE,(ING
    20)

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

Extinguishing Media:EXTINGUISH USING AGENT SUITABLE FOR TYPE OF
    SURROUNDING FIRE.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
    PROTECTIVE EQUIPMENT . NO ACUTE HAZARD. MOVE CNTNR FROM FIRE AREA
    IF POSS. AVOID BRTHG VAPS/DUSTS; KEEP UPWIND.
Unusual Fire/Explosion Hazard:NEGLIGIBLE FIRE HAZARD WHEN EXPOSED TO
    HEAT OR FLAME.

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

Spill Release Procedures:SOAK UP SPILL WITH VERMICULITE OR OTHER
    ABSORBENT MATERIAL AND PLACE INTO SUITABLE CONTAINERS FOR LATER
    DISPOSAL.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:STORE AWAY FROM INCOMPATIBLE
    SUBSTANCES.
Other Precautions:OBSERVE ALL FEDERAL, STATE AND LOCAL REGULATIONS WHEN
    STORING OF SUBSTANCE. FOR ASSISTANCE, CONTACT DISTRICT DIRECTOR OF
    ENVIRONMENTAL PROTECTION AGENCY.

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

Respiratory Protection:SPECIFIC RESP SELECTED MUST BE BASED ON CONTAM
    LEVS FOUND IN WORK PLACE, MUST NOT EXCEED WORKING LIMITS OF RESP &
    BE APPRVD BY NIOSH/MSHA. 100 MG/M3-ANY NIOSH/MSHA APPRVD DUST, MIST
    & FUME RESP. ANY N IOSH/MSHA APPRVD SUPP-AIR RESP. (ING 10)
Ventilation:PROVIDE LOCAL EXHAUST VENTILATION SYSTEM TO MEET PUBLISHED
    EXPOSURE LIMITS.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:SPLASH PROOF/DUST RESIST SAFETY GOGGS.
Other Protective Equipment:EMPLOYEE MUST WEAR APPROP PROT (IMPERVIOUS)
    CLTHG & EQUIP TO PVNT RPTD/PRLNGD SKIN CONT W/SUBSTANCE. WHERE
    THERE(SUPDAT)
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
MATERIALS TO AVOID: CHLORINE TRIFLUORIDE: MAY IGNITE. INTERHALOGENS:
    INCOMPATIBLE. MAGNESIUM POWDER: MAY IGNITE OR EXPLO WHEN HEATED.
    PHOSPHORUS PENTACHLORIDE: INCANDESCES BRILLIANTLY ON HEATING. SULF
    UR (SUBLIMED): MAY IGNITE OR EXPLO WHENHEATED. OTHER PROTECTIVE
    EQUIPMENT: IS ANY POSSIBILITY THAT AN (ING 2)

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

HCC:N1
Boiling Pt:B.P. Text:6512F,3600C
Melt/Freeze Pt:M.P/F.P Text:5160F,2849C
Spec Gravity:3.58 @ 25C
pH:10.3
Solubility in Water:SLIGHTLY SOLUBLE
Appearance and Odor:ODORLESS, FINE WHITE POWDER.

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

Stability Indicator/Materials to Avoid:YES
ACIDS (STRONG): VIOLENT RXN. ALUMINUM POWDER: MAY IGNITE/EXPLO WHEN
    HEATED. BROMINE PENTAFLUORIDE: VIOLENT RXN. (SUPDAT)
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:THERMAL DECOMPOSITION MAY RELEASE
    TOXIC AND/OR HAZARDOUS GASES.

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

Waste Disposal Methods:OBSERVE ALL FEDERAL, STATE AND LOCAL REGULATIONS
    WHEN DISPOSING OF SUBSTANCE. FOR ASSISTANCE, CONTACT DISTRICT
    DIRECTOR OF ENVIRONMENTAL PROTECTION AGENCY.

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