Product ID:DIGESTION SOLUTION FOR COD 0-150PPM RANGE
MSDS Date:09/14/1995
FSC:6810
NIIN:00D002069
MSDS Number: BXWHK

HACH CO.

100 DAYTON RD.
AMES, IA 50010-6402
US

Emergency Phone: 303-623-5716

Info Phone: 800-227-4224

Cage: 4T252

HACH COMPANY

907 AMES, IA 50010 US

Telephone: 800-227-4224

Cage: 4T252

SULFURIC ACID (SARA 302/313) (CERCLA)

CAS: 7664-93-9

RTECS: WS5600000

Fraction By Weight: <90%

OSHA PEL 1 MG/M3

ACGIH TLV: 1 MG/M3/3 STEL; 9596

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

MERCURIC SULFATE (SARA 313) (CERCLA)

CAS: 7783-35-9

RTECS: OX0500000

Fraction By Weight: <5%

OSHA PEL 0.1 MG (HG)/M3; Z-2

ACGIH TLV: S,0.025 MG(HG)/M3;96

EPA Report Quantity: 10 LBS

DOT Report Quantity: 10 LBS

SILVER SULFATE

CAS: 10294-26-5

Fraction By Weight: <3%

OSHA PEL 0.01 MG AG/M3

ACGIH TLV: 0.01 MG AG/M3

CHROMIC ACID

CAS: 13530-68-2

RTECS: GB2650000

Fraction By Weight: <0.1%

OSHA PEL 0.5 MG CR/M3

ACGIH TLV: 0.05 MG CR/M3

WATER

CAS: 7732-18-5

RTECS: ZC0110000

Fraction By Weight: BALANCE

LD50 LC50 Mixture:ORAL LD50 (RAT) IS 360-428MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:YES OSHA:NO
Health Hazards Acute and Chronic:**CORROSIVE** EYES:MAY CAUSE SEVERE
BURNS.SKIN:MAY CAUSE SEVERE BURNS.INGEST:MAY CAUSE SEVERE GI TRACT
IRRITATION.INHAL:MAY CAUSE TOOTH EROSION AND RESPIRATORY
IRRITATION.CHRONIC:MERCURY AND SILVER WI LL ACCUMULATE IN BODY
TISSUE.TARGET ORGANS:NASAL CAVITY,PARANASAL SINUS,LUNGS,LARYNX.
Explanation of Carcinogenicity:SULFURIC ACID MISTS ARE CLASSIFIED
IARC-2B.
Effects of Overexposure:INHAL:MOUTH SORENESS,DIFFICULT
BREATHING.CHRONIC(MERCURY POISONING):TREMORS,PSYCHIC DISTURBANCES.
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING
EYE,SKIN,RESPIRATORY AILMENTS OR SENSITIVITY OR ALLERGIES TO
MERCURY MAY BE AT INCREASED RISK FROM EXPOSURE.

First Aid:SKIN:REMOVE CONTAMINATED CLOTHING;WASH WITH WATER.EYES:FLUSH
WITH WATER FOR 15 MINUTES.INHAL:REMOVE TO FRESH AIR.GIVE OXYGEN OR
ARTIFICIAL RESPIRATION IF NEEDED.INGEST:DO NOT INDUCE VOMITING.GET
PROMP T QUALIFIED MEDICAL ATTENTION.IF CONSCIOUS,GIVE 1-2 GLASSES
OF WATER.

Flash Point:NONE
Extinguishing Media:WATER FOG,DRY CHEMICAL,CARBON DIOXIDE,FOAM.
Fire Fighting Procedures:USE A SELF-CONTAINED BREATHING APPARATUS AND
FULL PROTECTIVE EQUIPMENT.
Unusual Fire/Explosion Hazard:FIRE CONDITIONS MAY EVOLVE TOXIC
FUMES.CONTACT WITH METALS EVOLVES EXPLOSIVE HYDROGEN GAS.

Spill Release Procedures:TOXIC MERCURY VAPORS SHOULD NOT BE ALLOWED TO
CONTAMINATE THE AIR OR WATER;USE A MERCURY DECONTAMINATING
AGENT.SOAK UP WITH NON-COMBUSTIBLE INERT ADSORBANT(EG.CLAY);PLACE
COLLECTED MATERIAL IN AN APPR OPRIATE CONTAINER FOR DISPOSAL.
Neutralizing Agent:NOT REPORTED.

Handling and Storage Precautions:STORE IN A COOL,DRY,WELL-VENTILATED
PLACE.KEEP CONTAINER CLOSED WHEN NOT IN USE.KEEP AWAY FROM LIGHT
AND INCOMPATIBLE MATERIALS.
Other Precautions:FOLLOW LABEL DIRECTIONS.AVOID BREATHING VAPORS.AVOID
SKIN AND EYE CONTACT.

Respiratory Protection:WHERE ENVIRONMENTAL CONTROLS ARE LACKING OR IN
ENCLOSED SPACES USE EITHER A SELF-CONTAINED BREATHING APPARATUS OR
A NIOSH/MSHA APPROVED RESPIRATOR FOR ACID GAS,DEPENDING ON THE
AIRBORN CONCENTRATION.
Ventilation:LOCAL VENTILATION AT THE WORKSITE;MECHANICAL(GENERAL)
VENTILATION TO MAINTAIN TLV/PEL.
Protective Gloves:DISPOSABLE LATEX.
Eye Protection:CHEMICAL SPLASH GOGGLES
Other Protective Equipment:PROTECTIVE CLOTHING,AS NEEDED.PROVIDE A
LOCAL EYE WASH STATION AND SAFETY SHOWER.
Work Hygienic Practices:EXECISE GOOD LABORATORY PRACTICES.WASH HANDS
AFTER USE AND BEFORE EATING.
Supplemental Safety and Health
NONE

HCC:C1
Boiling Pt:B.P. Text:221F,105C
Spec Gravity:1.78
pH:<0.5
Evaporation Rate & Reference:NONE
Solubility in Water:MISCIBLE
Appearance and Odor:LIQUID,TURBID;LIGHT ORANGE.ODOR NOT DETERMINED.
Corrosion Rate:CORROSIV

Stability Indicator/Materials to Avoid:YES
STRONG CAUSTICS.
Stability Condition to Avoid:LIGHT,CONTAMINATION FROM ORGANIC
MATERIALS.
Hazardous Decomposition Products:OXIDES OF SULFUR,MERCURY COMPOUNDS.

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH FEDERAL,STATE AND
LOCAL REGULATIONS.HMIS SUGGESTS THAT THIS IS RCRA CORROSIVE AND
TOXIC WASTE.

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