=====================  Product Identification  =====================

MSDS NAME:241172, OXALIC ACID, 99+%
NIIN:01-448-9258
MSDS Number: CKFWN
=== Responsible Party ===
Company:SIGMA-ALDRICH
Address:3050 SPRUCE STREET
City:ST. LOUIS
State:MO
ZIP:63103
Country:US
Info Phone Num:314-771-5765
Emergency Phone Num:414-273-3850 X5996
CAGE:TO571
=== Contractor Identification ===
Company:ALDRICH CHEMICAL CO INC
Address:1001 WEST ST PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
Contract Num:SP0450-00-M-D923
CAGE:60928
Company:SIGMA-ALDRICH
Address:3050 SPRUCE STREET
City:ST. LOUIS
State:MO
ZIP:63103
Country:US
Phone:314-771-5765
CAGE:TO571

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

Name:OXALIC ACID
CAS:144-62-7
RTECS #:RO2450000
> Wt:99.
OSHA PEL:1 MG/M3
ACGIH TLV:1 MG/M3
ACGIH STEL:2 MG/M3

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

LD50 LC50 Mixture:7500 MG/KG
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS: KIDNEYS, NERVE.
    CORROSIVE. CAUSES BURNS. HARMFUL IN CONTACT WITH SKIN AND IF
    SWALLOWED. POSSIBLE RISK OF HARM TO THE UNBORN CHILD.SKIN
    ABSORPTION: HARMFUL IF ABSORBED THROUGH SKIN. INHA LATION: MAY BE
    HARMFUL IF INHALED. INGESTION: HARMFUL IF SWALLOWED.  TARGET ORGANS
    OR SYSTEMS: KIDNEYS, NERVES, BLOOD, & EYES.
Effects of Overexposure:TO THE BEST OF OUR KNOWLEDGE, THE CHEMICAL,
    PHYSICAL, AND TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY
    INVESTIGATED. MATERIAL IS EXTREMELY DESTRUCTIVE TO TISSUE OF THE
    MUCOUS MEMBRANES AND UPPER	RESPIRATORY TRACT, EYES, AND SKIN.
    INHALATION MAY RESULT IN SPASM, INFLAMATION AND EDEMA OF THE LARYNX
    AND BRONCHI, CHEMICAL PNEUMONITIS, AND PULMONARY EDEMA. SYMPTOMS OF
    EXPOSURE MAY INCLUDE BURNING  SENSATION, COUGHING, WHEEZING,
    LARYNGITIS, SHORTNESS OF BREATH, HEADACHE, NAUSEA, AND VOMITING.

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

First Aid:IMMEDIATE TREATMENT AT WORKSITE: IN CASE OF CONTACT,
    IMMEDIATELY FLUSH EYES OR SKIN WITH COPIOUS AMOUNTS OF WATER FOR AT
    LEAST 15 MINUTES WHILE REMOVING CONTAMINATED CLOTHING AND SHOES.
    INHALATION EXP OSURE: IF INHALED, REMOVE TO FRESH AIR. IF NOT
    BREATHING, GIVE ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT,
    GIVE OXYGEN. EYE EXPOSURE: ASSURE ADEQUATE FLUSHING OF EYES BY
    SEPARATING THE EYELIDS  WITH FINGERS.

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

Extinguishing Media:CARBON DIOXIDE, DRY CHEMICAL POWDER, OR APPROPRIATE
    FOAM.
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS AND
    PROTECTIVE CLOTHING TO PREVENT CONTACT WITH SKIN AND EYES.
Unusual Fire/Explosion Hazard:THIS MATERIAL, LIKE MODT MATERIALS IN
    POWDER FORM, IS CAPABLE OR CREATING A DUST EXPLOSION.

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

Spill Release Procedures:PERSONAL PRECAUTIONS: WEAR RESPIRATOR,
    CHEMICAL SAFETY GOGGLES, RUBBER BOOTS, AND HEAVY RUBBER GLOVES.
    METHOD OF CLEAN UP: SWEEP UP, PLACE IN A BAG AND HOLD FOR WASTE
    DISPOSAL. AVOID RAIDING DUST.

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

Handling and Storage Precautions:USER EXPOSURE: DO NOT BREATHE DUST. DO
    NOT GET IN EYES, ON SKIN, ON CLOTHING. AVOID PROLONGED OR REPEATED
    EXPOSURE. STORAGE: KEEP TIGHTLY CLOSED. STORE IN A COOL DRY PLACE.

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

Respiratory Protection:USE APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:HEAVY RUBBER GLOVES
Eye Protection:CHEMICAL SAFETY GOGGLES
Other Protective Equipment:RUBBER BOOTS, SAFETY SHOWER AND EYE BATH;
    OTHER PROTECTIVE CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING. DISCARD
    CONTAMINATED CLOTHING AND SHOES.
Supplemental Safety and Health

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

HCC:C2
Melt/Freeze Pt:=189.5C, 373.1F
Vapor Pres:<0.01 MMHG
Vapor Density:4.4 G/L
Appearance and Odor:WHITE, FINE CRYSTALS. N/A ODOR THRESHOLD

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

Stability Indicator/Materials to Avoid:YES
AVOID CONTACT WITH METALS, ALKALI METALS.
Stability Condition to Avoid:PROTECT FROM MOISTURE
Hazardous Decomposition Products:CARBON MONOXIDE, CARBON DIOXIDE

===================  Toxicological Information	===================

Toxicological Information:ORAL- WOMAN: 600 MG/KG (LDLO).  REMARKS:
    GASTROINTESTINAL CHANGES IN STRUCTURE OR FUNCTION OF ESOPHAGUS.
    GASTROINTESTINAL: HYPERMOTILITY, DIARRHEA.	IRRITATION DATA: SKIN-
    RABBIT: 500 MG 24H (MILD IRR ITATION EFFECT).  EYES- RABBIT: 0.25
    MG/ 24 H (SEVERE IRRITATION EFFECT).  EYES- RABBIT: 100 MG/ 4S
    (RINSED).  CHRONIC EXPOSURE- TERATOGEN- POSSIBLE RISK OF CONGENITAL
    MALFORMATION IN THE FETUS.

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

Waste Disposal Methods:APPROPRIATE METHOD OF DISPOSAL OF SUBSTANCE OR
    PREPARATION: OBSERVE ALL FEDERA, STATE, AND LOCAL ENVIRONMENTAL
    REGULATIONS.

===================  MSDS Transport Information  ===================

Transport Information:IATA & DOT: CORROSIVE SOLID, ACIDIC, ORGANIC,
    NOS, UN3261, CLASS 8, PG II.

=====================  Regulatory Information  =====================

SARA Title III Information:NOT SARA 313 LISTED.
Federal Regulatory Information:ON TSCA INVENTORY ITEM.

 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.

*** END OF RECORD ***