EMERALD CITY CHEMICAL INC -- CALCIUM HYDROXIDE  -- 6810-00N025396
<pre>=====================  Product Identification  =====================

Product ID:CALCIUM HYDROXIDE
MSDS Date:12/03/1991
FSC:6810
NIIN:00N025396
=== Responsible Party ===
Company Name:EMERALD CITY CHEMICAL INC
Address:1409 EAST MADISON
City:SEATTLE
State:WA
ZIP:98122
Country:US
Info Phone Num:206-932-5511
Emergency Phone Num:800-424-9300 (CHEMTREC)
CAGE:4J479
=== Contractor Identification ===
Company Name:EMERALD CITY CHEMICAL INC/DBA ECCI SCIENTIFIC
Address:2300 SW SPOKANE ST
Box:City:SEATTLE
State:WA
ZIP:98106
Country:US
Phone:206-932-5511
CAGE:4J479

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

Ingred Name:OXIDES; (OTHER OXIDES AL*2O*3, FE*2O*3, SIO*2, ETC)
Fraction by Wt: <3%

Ingred Name:VENT:REQUIREMENTS. VENT DUST TO APPROPRIATE COLLECTOR.
RTECS #:9999999ZZ

Ingred Name:OTHER PROT EQUIP:WHICH IT IS USED. USE OF PROT CREAMS ON
    AREAS OF SKIN EXPOSED TO DUST HAS BEEN RECOMMENDED. (INGRED 7)
RTECS #:9999999ZZ

Ingred Name:ING 6:EYEWASH STATION & SFTY SHOWER MUST BE READILY AVAIL
    WHERE MATL, OR ITS H*2O DISPERSIONS, ARE USED.
RTECS #:9999999ZZ

Ingred Name:MAGNESIUM OXIDE
CAS:1309-48-4
RTECS #:OM3850000
Fraction by Wt: <3%
OSHA PEL:15 MG/M3 PARTICULATE
ACGIH TLV:10 MG/M3;TDUST; 9293

Ingred Name:CALCIUM HYDROXIDE
CAS:1305-62-0
RTECS #:EW2800000
Fraction by Wt: >90%
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:5 MG/M3; 9293

Ingred Name:CALCIUM CARBONATE
CAS:1317-65-3
RTECS #:EV9580000
Fraction by Wt: <4%
OSHA PEL:15MG/M3 TDUST;5RDUST
ACGIH TLV:10MG/M3 TDUST

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

LD50 LC50 Mixture:LD50:(ORAL,RAT)7.3 GM/KG.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:MATERIAL IN PRESENCE OF MOISTURE, IS
    MODERATELY CAUSTIC IRRITANT & CAN BE DAMAGING TO HUMAN TISSUE.
    EXCESSIVE SKIN CONTACT WILL IRRITATE SKIN & PRODUCE DERMATITIS. EYE
    CONTACT GIVES BURNING SENSATION  W/SEVERE IRRITATION & POSSIBLE
    DAMAGE. INHALATION IN PARTICULATE FORM IS IRRITATING & CAN BE
    DAMAGING (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:TO MUCOUS MEMBRANES OF UPPER
    RESPIRATORY TRACT. DO NOT INGEST.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:EYE:PROMPLTY FLUSH W/PLENTY OF RUNNING H*2O, INCL UNDER
    EYELIDS, FOR @ LST 15 MINS; THEN, GET PROMPT MED ATTN. SKIN:WASH
    EXPOSED SKIN W/PLENTY OF H*2O. REMOVE CONTAM CLTHG PROMPTLY. GET MD
    IF EXPOSED	AREA IS LG/IF IRRIT PERSISTS. INHAL:REMOVE TO FRESH
    AIR. CALL MD IMMED. INGEST:DILUTE BY GIVING 2 GLASSES OF H*2O/MILK
    TO DRINK, FOLLOWED BY FRUIT JUICE/DILUTED VINEGAR TO NEUT ALKALI;
    THEN CALL MD.

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

Flash Point:NOT COMBUSTIBLE
Extinguishing Media:USE EXTINGUISHING MEDIA WHICH IS APPROPRIATE FOR
    SURROUNDING FIRE.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
    PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:WHEN HEATED ABOVE 580C, MATERIAL CAN
    DECOMPOSE TO PRODUCE CO*2.

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

Spill Release Procedures:THOSE INVOLVED IN CLEAN UP OF SPILLS SHOULD
    USE PROT EQUIP. PICK UP SPILLED PWDR AVOIDING DUSTING CNDTNS &
    PLACE IN CLEAN STEEL CNTNR FOR RECLAIM/DISP. SFTY PERS SHOULD BE
    INVOLVED WHEN LG SPILLS OCCU R. TRACES OF RESIDUE CAN BE FLUSHED TO
    (SUPP DATA)
Neutralizing Agent:HYDROCHLORIC ACID.

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

Handling and Storage Precautions:STORE IN COOL, DRY AREA IN TIGHTLY
    CLSD CNTNRS. PROT CNTNRS FROM PHYSICAL DMG. KEEP AWAY FROM ACIDIC
    MATLS & OTHER INCOMPATS.
Other Precautions:PVNT CONT W/CLTHG OR W/BODY, OR INHAL OF DUST/SOLN
    MIST. USE DUE CAUTION IN MIXING W/WATER & HNDLG ALKALINE H*2O
    DISPERSIONS OF MATL (MILK OF LIME). FOLLOW GOOD PERSONAL HYGIENE
    PRACTICES.

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

Respiratory Protection:PROVIDE NIOSH/MSHA APPROVED DUST OR MIST
    RESPIRATORS OR SCBA FOR NON-ROUTINE OR EMERGENCY USE ABOVE TLV.
Ventilation:PROVIDE GENERAL VENT & LOC EXHST VENT FOR DUST CONTROL (OR
    MIST CONTROL IF USED AS H*2O DISPERSION) TO MEET TLV (ING 5)
Protective Gloves:RUBBER GLOVES.
Eye Protection:CHEM WORK GOGG/FULL LENGTH FCSHLD.
Other Protective Equipment:WEAR PROT CLTHG, LONG SLEEVE SHIRTS
    W/BUTTONED COLLAR, APRON TO PVNT SKIN CONT W/MATL AS REQD FOR
    CNDTNS UNDER (ING 6)
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING. REMOVE SEVERELY
    CONTAMINATED CLOTHING PROMPTLY & LAUNDER BEFORE REUSE.
Supplemental Safety and Health
SOL IN H*2O:0.159 @ 25C; 0.017 @ 100C. CNDTNS (STAB)H*2O TO FORM
    CALCIUM OXIDE/LIME. HAZ DECOMP PROD:SPONTANEOUSLY FLAMM PHOSPHINES.
    IT LIBERATES NH*3 FROM AMMONIUM SALTS. SPILL PROC:SEWER W/MUCH H*2O
     DILUTION. WASTE DISP METH:SEWER W/MUCHH*2O TO KEEP <250 MG
    NACL/LITER. FOLLOW FEDERAL, STATE & LOC REGULATIONS.

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

HCC:C2
Decomp Temp:Decomp Text:580
Spec Gravity:2.3-2.4
pH:12.5
Solubility in Water:0.185 @ 0C, (SUPDAT)
Appearance and Odor:CRYSTALS OR SOFT, WHITE POWDER OR GRANULES.
    ODORLESS.

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

Stability Indicator/Materials to Avoid:YES
ACIDIC MATERIALS. FORMS SALTS W/NITROPARAFFINS IN PRESENCE OF WATER
    WHICH ARE EXPLO WHEN DRIED.
Stability Condition to Avoid:WHEN EXPOSED TO AIR IT WILL SLOWLY ABSORB
    CO*2 TO FORM CALCIUM CARBONATE. WHEN HEATED @ TEMPS >580C, IT LOSES
    (SUPDAT)
Hazardous Decomposition Products:CAN CAUSE EXPLO DECOMP OF MALEIC
    ANHYDRIDE. BOILING ELEMENTAL PHOSPHORUS IN CALCIUM HYDROXIDE SOLN
    CAN LIBERATE (SUPDAT)

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

Waste Disposal Methods:CONSIDER FOLLOWING METHS OF DISP OF SCRAP
    MATL:USE TO NEUT WASTE ACID; SPREAD ON SURF/GROUND IN ISOLATED,
    PROT AREA TO REACT W/CO*2 FROM AIR TO FORM CACO*3 (LIMESTONE);
    DISPERE IN H*2O, NEUT W/HYDROCH LORIC ACID, PRECIP W/SODA ASH &
    FLUSH TO (SUPDAT)

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