ALDRICH CHEMICAL CO -- DRIERITE, 4 MESH, WITHOUT INDICATOR 23891-0  -- 6810-00N014267
<pre>=====================  Product Identification  =====================

Product ID:DRIERITE, 4 MESH, WITHOUT INDICATOR 23891-0
MSDS Date:04/10/1990
FSC:6810
NIIN:00N014267
=== Responsible Party ===
Company Name:ALDRICH CHEMICAL CO
Box:355
City:MILWAUKEE
State:WI
ZIP:53201
Country:US
Info Phone Num:414-273-3850
CAGE:60928
=== Contractor Identification ===
Company Name:ALDRICH CHEMICAL CO INC
Address:1001 WEST ST PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:60928

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

Ingred Name:CALCIUM SULFATE
CAS:7778-18-9
RTECS #:WS6920000
OSHA PEL:15 MG/M3 TOTAL DUST
ACGIH TLV:10 MG/M3 TDUST; 9192

=====================  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:MAY BE HARMFUL IF INHALED OR
    INGESTED. MAY CAUSE EYE AND SKIN IRRITATION.
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:EYES:IMMEDIATELY FLUSH W/COPIOUS AMTS OF WATER FOR AT LEAST
    15 MINUTES. SKIN:IMMEDIATELY WASH W/SOAP & COPIOUS AMTS OF WATER.
    WASH CONTAMINATED CLOTHING BEFORE REUSE. INHAL:REMOVE TO FRESH AIR.
    SUPPOR T BREATHING (GIVE O*2/ARTF RESP), CALL MD. INGEST:CALL MD
    IMMEDIATELY .

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

Flash Point:NONCOMBUSTIBLE
Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, DRY CHEMICAL POWDER,
    ALCOHOL OR POLYMER FOAM.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVES SCBA AND FULL
    PROTECTIVE EQUIPMENT TO PREVENT CONTACT WITH SKIN AND EYES.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:WEAR NIOSH/MSHA APPROVED RESPIRATOR, CHEMICAL
    SAFETY GOGGLES, RUBBER BOOTS & HEAVY RUBBER GLOVES. SWEEP UP, PLACE
    IN BAG & HOLD FOR WSTE DISPOSAL. AVOID RAISING DUST. VENTILATE AREA
    & WASH SPILL SITE  AFTER MATERIAL PICKUP IS COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:STORE IN COOL, DRY PLACE. KEEP TIGHTLY
    CLOSED. AVOID INHALATION. AVOID CONTACT WITH EYES, SKIN AND
    CLOTHING. AVOID PROLONGED/REPEATED EXPOSURE.
Other Precautions:HYGROSCOPIC.

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

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:MECHANICAL EXHAUST REQUIRED.
Protective Gloves:CHEMICAL RESISTANT GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:SAFETY SHOWER AND EYE BATH.
Work Hygienic Practices:WASH HANDS THOROUGHLY AFTER USE AND BEFORE
    EATING, DRINKING, SMOKING OR USING SANITARY FACILITIES .
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

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

HCC:N1
Melt/Freeze Pt:M.P/F.P Text:2480F,1360C
Spec Gravity:2.96
pH:6-7
Solubility in Water:SLIGHT
Appearance and Odor:OFF-WHITE CHUNKS. ODORLESS .

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NATURE OF DECOMPOSITION PRODUCTS NOT
    KNOWN.

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

Waste Disposal Methods:BURY IN A LANDFILL SITE APPROVED FOR DISPOSAL OF
    CHEMICAL AND HAZARDOUS WASTES. DISPOSE OF I/A/W FEDERAL, STATE AND
    LOCAL REGULATIONS.

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 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
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 particular situation.