Product ID:NALCO 1720 OXYGEN SCAVENGER
MSDS Date:03/14/1994
FSC:6850
NIIN:00F052338
MSDS Number: CDBKN

NALCO CHEMICAL CO WATERGY GROUP

ONE NALCO CENTER
NAPERVILLE, IL 60563-1198
US

Emergency Phone: 708-305-1000/708-920-1510

Info Phone: 708-305-1000

Preparer: RICKY A STACKHOUSE

Cage: 89524

ONDEO NALCO COMPANY

NAPERVILLE, IL 60563-1198 US

Telephone: (630) 305-1000

Cage: 89524

SODIUM BISULFITE

CAS: 7631-90-5

RTECS: VZ2000000

Fraction By Weight: 20-40%

ACGIH TLV: 5 MG/CUM

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

POTASSIUM BISULFITE *96-4*

CAS: 7773-03-7

Fraction By Weight: 1-5%

LD50 LC50 Mixture:ORAL LD50(ALBINO RATS): 4,112 MG/KG
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:EYES/SKIN: CAN CAUSE MILD,
SHORT-LASTING IRRITATION. INGESTION: HARMFUL, SULFITE CAN CAUSE AN
ALLERGIC REACTION IN SENSITIVE INDIVIDUALS. INHALATION: MAY CAUSE
IRRITATION TO THE RESPIRATORY TRACT & LU NGS.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, DIFFICULTY IN BREATHING, FLUSHING,
RASH.

First Aid:EYES/SKIN: FLUSH W/WATER FOR 15 MINS. INGESTION: INDUCE
VOMITING. GIVE WATER. IF UNCONSCIOUS, HAVING TROUBLE BREATHING/IN
CONVULSIONS, DON'T INDUCE VOMITING/GIVE WATER. INHALATION: REMOVE
TO FRESH AIR . TREAT SYMPTOMS. OBTAIN MEDICAL ATTENTION IN ALL
CASES. NOTE TO PHYSICIAN: BASED ON INDIVIDUAL REACTIONS OF
PATIENTS, PHYSICIAN'S JUDGMENT SHOULD BE USED TO CONTROL SYMPTOMS &
CLINICAL CONDITIONS.

Flash Point Method:PMCC
Flash Point:NONE
Unusual Fire/Explosion Hazard:MAY EVOLVE SULFUR OXIDES UNDER FIRE
CONDITIONS.

Spill Release Procedures:SMALL: CONTAIN W/ABSORBENT MATERIAL, CLAY,
SOIL/ANY ABSORBENT. SHOVEL RECLAIMED LIQUID & RECOVER/SALVAGE DRUMS
FOR DISPOSAL. LARGE: DIKE & RECLAIM INTO RECOVERY/SALVAGE
DRUMS/TANK TRUCK FOR DISPOSAL. LARGE INDOORS: EVACUATE & VENTILATE
AREA. (SUPP)

Handling and Storage Precautions:EVOLVES SULFUR DIOXIDE WHEN OPEN TO
ATMOSPHERE. THE RATE OF SULFUR DIOXIDE EVOLUTION INCREASES W/TEMP
&/TRANSFER OF PRODUCT.
Other Precautions:AVOID CONTACT W/SKIN, EYES & CLOTHING. DON'T TAKE
INTERNALY. EMPTY CONTAINERS MAY CONTAIN RESIDUAL PRODUCT. DON'T
REUSE CONTAINER UNLESS PROPERLY RECONDITIONED. (SEE SUPP)

Respiratory Protection:A NIOSH APPROVED/EQUIVALENT RESPIRATOR IS
RECOMMENDED.
Ventilation:MECHANICAL (GENERAL) IS RECOMMENDED. LOCAL EXHAUST IS
RECOMMENDED WHERE VAPORS/MISTS MAY BE RELEASED.
Protective Gloves:IMPERMEABLE/NEOPRENE/NITRILE/VITON/BUTYL
Eye Protection:CHEMICAL SPLASH GOGGLES
Other Protective Equipment:POLY VINYL CHLORIDE, NATURAL RUBBER, EYE
WASH FOUNTAIN & SAFETY SHOWER.
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING BEFORE
REUSE. THOROUGHLY WASH THE AFFECTED AREA.
Supplemental Safety and Health
PH: 3.5-4.1. MATERIALS CONT'D: STRONG ACIDS, SULFURIC, PHOSPHORIC,
NITRIC, HYDROCHLORIC, CHROMIC, SULFONIC. PREC CONT'D: SULFUR
DIOXIDE MAY REACT W/VAPORS FROM NEUTRALIZING AMINES & MAY PRODUCE A
VISI BLE CLOUD OF AMINE SALT PARTICULATE. USE A POSITIVE PRESSURE
SCBA FOR ENTRY INTO LARGE TANKS, VESSELS/ENCLOSED SPACES.

Boiling Pt:B.P. Text:205F
Melt/Freeze Pt:M.P/F.P Text:11F
Spec Gravity:1.22-1.28
pH:(SUPP)
Solubility in Water:COMPLETE
Appearance and Odor:CLEAR PINK LIQUID W/PUNGENT ODOR

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZERS, CHLORINE, PEROXIDES, CHROMATES, NITRIC ACID,
PERCHLORATES, CONCENTRATED OXYGEN, PERMANGANATES. (SUPP)
Stability Condition to Avoid:HEAT
Hazardous Decomposition Products:THERMAL COMBUSTION: SULFUR OXIDES,
HYDROGEN SULFIDE.

Waste Disposal Methods:DISPOSE IN AN INDUSTRIAL WASTE LANDFILL,
IAW/FEDERAL, STATE & LOCAL REGULATIONS.

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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.