HACH CO. -- 151-31 NESSLER REAGENT  -- 6810-01-107-8314
<pre>=====================  Product Identification  =====================

Product ID:151-31 NESSLER REAGENT
MSDS Date:01/06/1987
FSC:6810
NIIN:01-107-8314
=== Responsible Party ===
Company Name:HACH CO.
Address:5600 LINDBERGH DR
Box:608
City:LOVELAND
State:CO
ZIP:80539-8902
Country:US
Info Phone Num:970-669-3050/800-227-4224
Emergency Phone Num:303-623-5716/515-232-2533
CAGE:91224
=== Contractor Identification ===
Company Name:HACH CO
Address:5600 LINDBERGH DR
Box:389
City:LOVELAND
State:CO
ZIP:80539
Country:US
Phone:970-669-3050/ 303-623-5716
CAGE:91224

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

Ingred Name:MERCURIC IODIDE
CAS:7774-29-0
RTECS #:OW5250000
Fraction by Wt: <15%
OSHA PEL:S, C, 0.1 MG/M3 (HG)
ACGIH TLV:S, 0.1 MG/M3 (HG)

Ingred Name:SODIUM HYDROXIDE  (SARA III)
CAS:1310-73-2
RTECS #:WB4900000
Fraction by Wt: <15%
OSHA PEL:2 MG/M3
ACGIH TLV:C 2 MG/M3; 9293
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

Ingred Name:SODIUM IODIDE
CAS:7681-82-5
RTECS #:WB6475000
Fraction by Wt: <10%

Ingred Name:DEMINERALIZED WATER
CAS:7732-18-5
RTECS #:ZC0110000
Fraction by Wt: T0 100%

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

Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:PRODUCT IS TOXIC BY CORROSIVITY AND BY
    HEAVY METAL POISONING.
Effects of Overexposure:IRRITATION/BURNS TO ALL CONTACTED BODY ISSUES.
    CRONIC EFFECTS ARE THOSE OF MERCURY POISONING.
Medical Cond Aggravated by Exposure:NONE

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

First Aid:EYES/SKIN:FLUSH WITH WATER,15 MIN. IF BURNS ARE SEVERE OR
    IRRITATION PERSISTS,CALL A PHYSICIAN. INGESTED: GIVE EGG
    WHITES,MILK,OR ACTIVATED CHARCOAL, THEN INDUCE VOMITING. CALL A
    PHYSICIAN. INHALLED:  REMOVE TO FRESH AIR, GIVE OXYGEN OR CPRAS
    NEEDED. CALL A PHYSICIAN.

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

Flash Point:NONE
Extinguishing Media:EXTINGUISH WITH AGENT SUITABLE FOR SURROUNDING FIRE
Fire Fighting Procedures:WEAR SELF-CNTD BRTHG,APP H*20 SPRAY TO COOL
    CONTR.
Unusual Fire/Explosion Hazard:MAY EMIT TOXIC FUMES.

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

Spill Release Procedures:MERCURY CPDS SHOULD NOT BE ALLOWED TO POLLUTE
    WATER OR AIR.CONVERT MERCURIC IODIDE TO MERCURIC NITRATE BY ADDING
    SODIUM NITRATE.ADJUST TO ACID,PRECIPATATE MERCURIC SULFIDE.WASH &
    DRY PRECIPITATE.SHIP  TO SUPPLIER.

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

Handling and Storage Precautions:PRECIPITATE MAY FORM UPON
    STANDING.PROTECT FROM LIGHT.KEEP CONTAINERS CLOSED.PROTECT,FROM
    PHYSICAL DAMAGE.
Other Precautions:AVOID CONTACT WITH MATERIAL.WASH THOROUGHLY AFTER
    HANDLING.DO NOT BREATH CHEMICAL VAPORS.

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

Respiratory Protection:NONE NORMALLY NEEDED. USE NIOSH RESPIRATOR OR
    SUPPLIED AIR RESPIRATOR IF EXPOSED ABOVE TLV.
Ventilation:USE HOOD OR OTHER LOCAL EXHAUST TO MAINTAIN EXPOSURE BELWO
    TLV OR BELOW TLV FOR NUISANCE DUST.
Protective Gloves:NONE
Eye Protection:SAFETY GLASSES
Other Protective Equipment:EYE WASH,SAFETY SHOWER, LAB COAT OR APRON.
Work Hygienic Practices:USE NORMAL CHEMICAL HYGIENE PRACTICES
Supplemental Safety and Health
MANUFACTURER'S PART NUMBER CHANGED FROM 151 TO 21194 AT SOME UNKNOWN
    DATE PRIOR TO JUN90.

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

HCC:B1
Boiling Pt:B.P. Text:>212F/>100C
Spec Gravity:1.283
pH:12.1
Solubility in Water:COMPLETE
Appearance and Odor:CLEAR LIGHT YELLOW LIQUID

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

Stability Indicator/Materials to Avoid:YES
STRONG ACIDS
Stability Condition to Avoid:HEAT,LIGHT
Hazardous Decomposition Products:TOXIC FUMES OF MERCURY,IODINE,AND
    IODINE COMPOUNDS.

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

Waste Disposal Methods:DISPOSE I/A/W FEDERAL,STATE,LOCAL REGULATIONS.

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 disclaims all liability for its use.  Any person utilizing this
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