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

MSDS NAME:SULFIDE 1 REAGENT, 1816
NIIN:01-354-1755
MSDS Number: CGDTX
=== Responsible Party ===
Company:HACH CO
Box:907
City:AMES
State:IA
ZIP:50010
Country:US
Info Phone Num:800-227-4224
Emergency Phone Num:303-623-5716
CAGE:4T252
=== Contractor Identification ===
Company: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  =============

Name:SULFURIC ACID (SARA 302/313) (CERCLA)
CAS:7664-93-9
RTECS #:WS5600000
Fraction by Wt: <65%
OSHA PEL:1 MG/M3
ACGIH TLV:1 MG/M3/3 STEL
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

Name:OTHER COMPONENTS
Fraction by Wt: <1%

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

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:YES	 OSHA:NO
Health Hazards Acute and Chronic:THIS PRODUCT MAY BE: CORROSIVE TO
    EYES, SKIN AND RESPIRATORY TRACT. ACUTE TOXICITY: MODERATELY TOXIC.
    CHRONIC TOXICITY: CHRONIC IRRITATION OR INFLAMMATION, TEETH
    EROSION. TARGET ORGANS: TEETH, LUNGS.  CARCIN: TARGET ORGANS: NASAL
    CAVITY, PARANASAL SINUS, LUNGS, LARYNX. OVEREXPOSURE: SEVERELY
    BURNS ANY (EFTS OF OVEREXP)
Explanation of Carcinogenicity:SULFURIC ACID: IARC MONO ON EVAL OF
    CARCIN RISK OF CHEMS TO MAN, VOL 54, PG 41, 1992:GROUP 1.
    ANIMAL:PULMONARY IRRIT.
Effects of Overexposure:HLTH HAZ: TISSUE CONTACTED. BREATHING IN THE
    MIST OR VAPOR MAY CAUSE MOUTH SORENESS, TEETH EROSION AND
    DIFFICULTY IN BREATHING. INHALATION OF THE MIST/VAPOR OF CONC
    SULFURIC ACID CAN CAUSE CANCER OF N ASAL TISSUE, LUNGS AND LARYNX.
Medical Cond Aggravated by Exposure:PRE-EXISTING EYE, SKIN AND
    RESPIRATORY CONDITIONS.

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

First Aid:EYE AND SKIN CONTACT: IMMED FLUSH EYES & SKIN W/WATER FOR AT
    LST 15 MINUTES. REMOVE CONTAMD CLTHG. CALL PHYS. INGEST: DO NOT
    INDUCE VOMITING. GIVE 1-2 GLASSES OF WATER. CALL PHYS IMMED. NEVER
    GIVE ANY THING BY MOUTH TO UNCONSCIOUS PERSON. INHAL: REMOVE TO
    FRESH AIR. GIVE ARTF RESP IF NECESSARY. CALL PHYS.

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

Extinguishing Media:DRY CHEMICAL. DO NOT USE WATER.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:MAY EMIT TOXIC FUMES IN FIRE.

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

Spill Release Procedures:COVER SPILL W/EXCESS SODA ASH OR SODA
    BICARBONATE. SCOOP SLURRY TO BEAKER. ADJUST PH TO BETWEEN 6 AND 9.
    FLUSH TO DRAIN WITH EXCESS WATER. WASH SITE WITH AN ALKALI
    SOLUTION.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:STORE IN A COOL PLACE AWAY FROM
    OXIDIZERS AND REDUCERS. AVOID CONTACT WITH EYES, SKIN AND CLOTHING.
Other Precautions:DO NOT BREATHE MIST OR VAPOR.

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

Respiratory Protection:NIOSH APPROVED RESPIRATOR APPROPRIATE FOR
    EXPOSURE OF CONCERN .
Ventilation:ADEQUATE VENTILATION.
Protective Gloves:DISPOSABLE LATEX GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPRVD EYE WASH & DELUGE SHOWER . LAB
    GRADE GOGGLES, LAB COAT.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

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

Boiling Pt:B.P. Text:148F,100C
Spec Gravity:1.500
pH:<0.5
Evaporation Rate & Reference:HYGRO
Solubility in Water:MISCIBLE
Appearance and Odor:CLEAR, COLORLESS OR LIGHT BROWN LIQUID. NO ODOR.

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

Stability Indicator/Materials to Avoid:YES
HEAT, FLAMES, CONTACT WITH OXIDIZERS OR REDUCERS, CAUSTICS & CAUSTIC
    FUMES, ACETIC ACID, CHLOROSULFONIC ACID.
Stability Condition to Avoid:HEAT, FLAMES, CONTACT WITH OXIDIZERS OR
    REDUCERS, CAUSTICS & CAUSTIC FUMES, ACETIC ACID, CHLOROSULFONIC
    ACID.
Hazardous Decomposition Products:MAY EMIT TOXIC FUMES OF SULFUR OXIDES
    IN FIRE.

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

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH FEDERAL, STATE,
    AND LOCAL REGULATIONS.

 ======================================================================
 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 ***