HACH COMPANY -- 444 SPADNS REAGENT  -- 6630-01-239-4686
<pre>=====================  Product Identification  =====================

Product ID:444 SPADNS REAGENT
MSDS Date:10/14/1988
FSC:6630
NIIN:01-239-4686
=== Responsible Party ===
Company Name:HACH COMPANY
Address:100 DAYTON RD.
Box:907
City:AMES
State:IA
ZIP:50010-6402
Country:US
Info Phone Num:800-227-4224
Emergency Phone Num:515-232-2533 (303-623-5716 MEDICAL)
CAGE:4T252
=== 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
Company Name:HACH COMPANY
Address:100 DAYTON RD.
Box:907
City:AMES
State:IA
ZIP:50010
Country:US
Phone:800-227-4224
CAGE:4T252

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

Ingred Name:HYDROGEN CHLORIDE  (HYDROCHLORIC ACID)  (SARA III)
CAS:7647-01-0
RTECS #:MW4025000
Fraction by Wt: <40%
OSHA PEL:C 5 PPM
ACGIH TLV:C 5 PPM; 9192
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS

Ingred Name:SODIUM ARSENITE  (SARA III)
CAS:7784-46-5
RTECS #:CG3675000
Fraction by Wt: <0.5%
OSHA PEL:SEE 1910.1018
ACGIH TLV:0.2 MG AS/M3; 9192
EPA Rpt Qty:1 LB
DOT Rpt Qty:1 LB

Ingred Name:OTHER COMPONENTS (TYPE NOT SPECIFIED)
RTECS #:1003214OC
Fraction by Wt: <0.1%

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

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

LD50 LC50 Mixture:ORAL RAT LD5O 540 MG/KG
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:YES    IARC:YES	  OSHA:YES
Health Hazards Acute and Chronic:PRODUCT IS CORROSIVE TO BODY TISSUES. 
    TOXICITY IS BY CORROSIVITY IN ALL THREE ROUTES OF ENTRY. CAUSES
    BURNS ON CONTACT. CHRONIC CONTACT IN DILUTE FORM MAY CAUSE
    ULCERATION. IT CONTAINS ARSENIC IN LOW  CONCENTRATION WHICH MAY BE
    TOXIC IF CONTACT BECOMES PROLONGED OR REPEATED.
Explanation of Carcinogenicity:THIS PRODUCT CONTAINS INORGANIC ARSENIC
    WHICH IS LISTED BY IARC, NTP, AND OSHA AS A CARCINOGEN.  SEE SUPP.
    DATA.
Effects of Overexposure:EYE:SEVERE IRRITATION,BURNS. 
    SKIN:IRRITATION,BURNS. INHALED:INTENSE RESPIRATORY
    IRRITATION,COUGHING SUCH THAT INHALATION OF TOXIC QUANTITIES IS
    UNLIKELY UNLESS TRAPPED. CHRONIC INHALATION MAY CAUSE U LCERATION.
    INGESTED:G/I ITTITATION, BURNS, ALSO SEDATION,TWITCHING.
Medical Cond Aggravated by Exposure:PERSONS WITH A HISTORY OF
    RESPIRATORY PROBLEMS MAY BE AT INCREASED RISK FROM EXPOSURE.

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

First Aid:EYE:FLUSH WITH WATER 15 MIN. GET MEDICAL CARE. SKIN:REMOVE
    CONTAMINATED CLOTHING. WASH WITH SOAP & WATER. LAUNDER CLOTHING
    BEFORE REUSE. INHALED:REMOVE TO FRESH AIR. RESTORE BREATHING. GET
    IMMEDIATE M EDICAL CARE.  INGESTION: DO NOT INDUCE VOMITING. GIVE
    LIME WATER OR MILK OF MAGNESIA, PLUS A LARGE QUANTITY OF WATER. 
    GIVE NOTHING BY MOUTH IF UNCONSCIOUS.  GET IMMEDIATE MEDICAL CARE.

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

Flash Point:NON-FLAMMABLE
Extinguishing Media:USE DRY CHEMICAL
Fire Fighting Procedures:FIRE FIGHTERS SHOULD USE NIOSH APPROVED SCBA &
    FULL PROTECTIVE EQUIPMENT WHEN FIGHTING CHEMICAL FIRE. USE WATER
    SPRAY TO COOL NEARBY CONTAINERS EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:FIRE OR EXCESSIVE HEAT MAY CAUSE
    PRODUCTION OF TOXIC DECOMPOSITION PRODUCTS.

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

Spill Release Procedures:USE APPROPRIATE PROTECTIVE EQUIPMENT &
    PROCEDURES. NEUTRALIZE WITH SUFFICIENT SODIUM BICARBONATE OR SODA
    ASH TO FORM A SLURRY. COLLECT FOR DISPOSAL.
Neutralizing Agent:SODIUM BICARBONATE OR 50/50 MIX LIME & SODA ASH

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

Handling and Storage Precautions:KEEP CONTAINER TIGHTLY CLOSED.

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

Respiratory Protection:NOT NORMALLY REQUIRED. IF AIRBORNE CONCENTRATION
    EXCEEDS TLV, A NIOSH APPROVED SELF-CONTAINED BREATHING APPARATUS IS
    RECOMMENDED (HMIS).
Ventilation:USE LAB HOOD OR OTHER LOCAL EXHAUST VENTILATION TO MEET TLV
    REQUIREMENTS.
Protective Gloves:IMPERVIOUS, RUBBER OR PLASTIC.
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:EYE WASH STATION AND SAFETY SHOWER. LAB COAT
    OR PLASTIC SLEEVES AND APRON.
Work Hygienic Practices:OBSERVE GOOD CHEMICAL HYGIENE PRACTICES AND
    RECOMMENDED PROCEDURES. AVOID ANY CONTACT IF POSSIBLE.
Supplemental Safety and Health
CHANGE NO. 7557.  MFR STATES THAT INGREDIENTS KEPT PROPRIETARY BY
    LISTING THEM AS "OTHER COMPONENT" ARE NOT CARCINOGENS.

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

HCC:C1
Boiling Pt:B.P. Text:221F,105C
Spec Gravity:1.015
pH:<0.5
Evaporation Rate &amp; Reference:0.64 (REFERENCE N/K)
Solubility in Water:MISCIBLE
Appearance and Odor:DARK RED LIQUID, NO ODOR
Percent Volatiles by Volume:>95

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, ACIDS, ALKALIS, REACTIVE METALS
Stability Condition to Avoid:HIGH TEMPERATURES, SPARKS, AND OPEN FLAMES
Hazardous Decomposition Products:FUMES OF ARSENIC AND CHLORIDES AND ON
    CONTACT WITH METALS,HYDROGEN

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

Waste Disposal Methods:DISPOSE I/A/W FEDERAL, STATE, LOCAL REGULATIONS.
     MFR SUGGESTS NEUTRALIZED SOLUTION MAY BE FLUSHED TO DRAIN.

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