SIGMA CHEMICAL CO -- O-PHOSPHORIC ACID 85%  -- 6810-00N085038
<pre>=====================  Product Identification  =====================

Product ID:O-PHOSPHORIC ACID 85%
MSDS Date:11/27/1992
FSC:6810
NIIN:00N085038
=== Responsible Party ===
Company Name:SIGMA CHEMICAL CO
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Info Phone Num:314-771-5765
Emergency Phone Num:314-771-5765
CAGE:21076
=== Contractor Identification ===
Company Name:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Phone:314-771-5765
CAGE:21076

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

Ingred Name:PHOSPHORIC ACID (SARA 313) (CERCLA)
CAS:7664-38-2
RTECS #:TB6300000
Fraction by Wt: 85%
OSHA PEL:1 MG/M3
ACGIH TLV:1 MG/M3;3 STEL
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS

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

LD50 LC50 Mixture:LD50:(ORAL,RAT) 1530 MG/KG.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE:HARMFUL IF SWALLOWED, INHALED OR
    ABSORBED THROUGH SKIN. MATERIAL IS EXTREMELY DESTRUCTIVE TO TISSUE
    OF MUCOUS MEMBRANES AND UPPER RESPIRATORY TRACT, EYES AND SKIN.
    INHALATION MAY BE FATAL AS A R ESULT OF SPASM, INFLAMMATION AND
    EDEMA OF THE LARYNX AND BRONCHI, CHEMICAL PNEUMONITIS AND PULMONARY
    (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:EDEMA. SYMPTOMS OF EXPOSURE MAY
    INCLUDE BURNING SENSATION, COUGHING, WHEEZING, LARYNGITIS,
    SHORTNESS OF BREATH, HEADACHE, NAUSEA AND VOMITING. TARGET ORGAN
    DATA:BEHAVORIAL (SOMNOLENCE); KIDNE Y, URETER, BLADDER (HEMATURIA);
    SKIN AND APPENDAGES (HAIR).
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:EYES:IMMED FLUSH W/COPIOUS AMTS OF WATER FOR AT LST 15 MINS.
    ASSURE ADEQ FLUSHING BY SEPARATING EYELIDS W/FINGERS. SKIN:IMMED
    FLUSH W/COPIOUS AMTS OF WATER FOR AT LST 15 MINS WHILE REMOVING
    CONTAM CLT HG & SHOES. WASH CONTAM CLTHG BEFORE REUSE. DISCARD
    CONTAM SHOES. INHAL:REMOVE TO FRESH AIR. IF NOT BRTHG GIVE ARTF
    RESP. IF BRTHG IS DFCLT, GIVE OXYG. INGEST:WASH OUT MOUTH W/WATER
    PROVIDED (SUPDAT)

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

Flash Point:NONE
Extinguishing Media:NONCOMBUSTIBLE. USE EXTINGUISHING MEDIA APPROPRIATE
    TO SURROUNDING FIRE CONDITIONS.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH APPROVED SCBA,
    RUBBER BOOTS & HEAVY RUBBER GLOVES. COVER W/DRY LIME OR SODA ASH,
    PICK UP, KEEP IN CLOSED CONTAINER & HOLD FOR WASTE DISPOSAL.
    VENTILATE AREA & WASH SPILL SITE  AFTER MATERIAL PICKUP IS
    COMPLETE.
Neutralizing Agent:DRY LIME OR SODA ASH.

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

Handling and Storage Precautions:DO NOT BREATHE VAPOR. DO NOT GET IN
    EYES, ON SKIN, ON CLOTHING. AVOID PROLONGED OR REPEATED EXPOSURE.
    HARMFUL LIQUID. KEEP TIGHTLY CLOSED.
Other Precautions:STORE IN A COOL, DRY PLACE. CORROSIVE. CAUSES BURNS.
    HARMFUL BY INHALATION, IN CONTACT W/SKIN & IF SWALLOWED.

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

Respiratory Protection:NIOSH APPROVED RESPIRATOR.
Ventilation:MECHANICAL EXHAUST REQUIRED.
Protective Gloves:HEAVY RUBBER GLOVES.
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS(SUPDAT)
Other Protective Equipment:EYE WASH FOUNTAIN & DELUGE SHOWER WHICH MEET
    ANSI DESIGN CRITERIA . WEAR SUITABLE PROTECTIVE CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING. TAKE OFF
    IMMEDIATELY ALL CONTAMINATED CLOTHING.
Supplemental Safety and Health
FIRST AID PROC:PERSON IS CONSCIOUS. CALL MD. WASTE DISP METH:HYDROLYSIS
    & NEUTRALIZATION REACTIONS MAY GENERATE HEAT & FUMES WHICH CAN BE
    CONTROLLED BY RATE OF ADDITION. EYE PROT:& FULL LENGTH FACESHI ELD
    .

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

Vapor Pres:2.2 @ 20C
Vapor Density:3.4
Spec Gravity:1.685
Appearance and Odor:COLORLESS LIQUID.

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

Stability Indicator/Materials to Avoid:YES
STRONG BASES. FINELY POWDERED METALS. FORMS A DETONABLE MIXTURE
    W/NITROMETHANE.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NONE SPECIFIED BY MANUFACTURER.

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

Waste Disposal Methods:DISP MUST BE I/A/W FED, STATE & LOC REGS . FOR
    SM QTYS:CAUTIOUSLY ADD TO LG STIRRED EXCESS OF WATER. ADJUST PH TO
    NEUT, SEPARATE ANY INSOL SOLIDS/LIQS & PACKAGE THEM FOR HAZ-WASTE
    DISP. FLUSH AQ  SOLN DOWN DRAIN W/PLENTY OF WATER. THE(SUPDAT)

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