SIGMA CHEMICAL COMPANY -- 17725-3 GUANIDINE HYDROCHLORIDE,99%  -- 6810-00F048531
<pre>=====================  Product Identification  =====================

Product ID:17725-3 GUANIDINE HYDROCHLORIDE,99%
MSDS Date:02/01/1995
FSC:6810
NIIN:00F048531
=== Responsible Party ===
Company Name:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:SAINT LOUIS
State:MO
ZIP:63178-5000
Country:US
Info Phone Num:314-771-5765/800-325-3010
Emergency Phone Num:314-771-5765/800-325-3010
CAGE:21076
=== 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
Company Name:FLUKA CHEMICAL CORP
Address:1001 WEST ST PAUL
Box:City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:63181
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:MONOHYDROCHLORIDE, GUANIDINIUM CHLORIDE
CAS:50-01-1
RTECS #:MF4300000
Fraction by Wt: 99%

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

LD50 LC50 Mixture:ORAL LD50(RAT): 475 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:HARMFUL IF INGESTED, INHALED/ABSORBED
    THROUGH SKIN, CAUSES SEVERE IRRITATION. HIGH CONCENTRATIONS ARE
    EXTREMELY DESTRUCTIVE TO TISSUES OF THE MUCOUS MEMBRANES & UPPER
    RESPIRATORY TRACT, EYES & SKIN. M AY CAUSE NERVOUS SYSTEM
    DISTURBANCES & BURNING.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, BURNING SENSATION, COUGHING,
    WHEEZING, LARYNGITIS, SHORTNESS OF BREATH, HEADACHE, NAUSEA,
    VOMITING.

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

First Aid:EYES/SKIN: IMMEDIATELY FLUSH W/COPIOUS AMOUNTS OF WATER FOR
    15 MINS. INHALATION: REMOVE TO FRESH AIR. GIVE CPR/OXYGEN IF
    NEEDED. INGESTION: WASH OUT MOUTH W/WATER IF CONSCIOUS. OBTAIN
    MEDICAL ATTENTIO N IN ALL CASES.

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

Extinguishing Media:WATER SPRAY, CO2, DRY CHEMICAL POWDER/APPROPRIATE
    FOAM.
Fire Fighting Procedures:WEAR SCBA & PROTECTIVE CLOTHING.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:WEAR SCBA, RUBBER BOOTS & HEAVY RUBBER GLOVES.
    SWEEP UP, PLACE IN A BAG & HOLD FOR WASTE DISPOSAL. AVOID RAISING
    DUST. VENTILATE AREA & WASH AREA AFTER MATERIAL PICKUP IS COMPLETE.

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

Handling and Storage Precautions:KEEP TIGHTLY CLOSED. STORE IN A COOL
    DRY PLACE.
Other Precautions:AVOID INHALATION. DON'T GET IN EYES, SKIN/CLOTHING.
    AVOID PROLONGED/REPEATED EXPOSURE. HYGROSCOPIC.

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

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:CHEMICAL FUME HOOD
Protective Gloves:CHEMICAL RESISTANT
Eye Protection:SAFETY GOGGLES/FACESHIELD (8 INCH MIN)
Other Protective Equipment:PROTECTIVE CLOTHING, SAFETY SHOWER & EYE
    BATH.
Supplemental Safety and Health

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

Melt/Freeze Pt:M.P/F.P Text:365-372.2F
Appearance and Odor:WHITE CRYSTALLINE POWDER

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS
Stability Condition to Avoid:MOISTURE
Hazardous Decomposition Products:COMBUSTION: CO, CO2, NITROGEN OXIDES,
    HYDROGEN CHLORIDE GAS.

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

Waste Disposal Methods:DISSOLVE/MIX MATERIAL W/A COMBUSTIBLE SOLVENT &
    BURN IN A CHEMICAL INCINERATOR EQUIPPED W/AN AFTERBURNER &
    SCRUBBER, IAW/FEDERAL, STATE & LOCAL REGULATIONS.

 Disclaimer (provided with this information by the compiling agencies):
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 expressly or implied, warrants this information to be accurate and
 disclaims all liability for its use.  Any person utilizing this
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