Product ID:23742 SULFUR DIOXIDE IN NITROGEN
MSDS Date:01/15/1988
FSC:6830
NIIN:00F014949
MSDS Number: BJVVB

SCOTT SPECIALTY GASES

ROUTE 611 NORTH
PLUMSTEADVILLE, PA 18949
US

Emergency Phone: 215-766-8861

Info Phone: 713-644-4820

Cage: 51847

SCOTT SPECIALTY GASES

SOUTH PLAINFIELD, NJ 07080 US

Telephone: 908-754-7700

Cage: 54262

SULFUR DIOXIDE

CAS: 7446-09-5

RTECS: WS4550000

Fraction By Weight: 1%

OSHA PEL 5 PPM/5 STEL

ACGIH TLV: 2 PPM/5 STEL; 9293

NITROGEN

CAS: 7727-37-9

RTECS: QW9700000

Fraction By Weight: BALANCE

ACGIH TLV: ASPHYXIANT

Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION: CORROSIVE & IRRITATING TO
RESPIRATORY TRACT. FATAL DUE TO SPASM, INFLAMMATION & EDEMA OF THE
LUNGS, CHEMICAL PNEUMONITIS & PULMONARY EDEMA. 400-500 PPM IS
IMMEDIATELY DANGEROUS TO LIFE. SK IN: CORROSIVE/IRRITATION. EYES:
CORROSIVE/IRRITATION & INFLAMMATION OF CONJUNCTIVA/CORNEA &
DESTRUCTION OF TISSUE.
Explanation of Carcinogenicity:NONE

First Aid:INHALATION: REMOVE TO FRESH AIR. GIVE ARTIFICIAL RESPIRATION
IF BREATHING HAS STOPPED. ADMINISTER OXYGEN AS SOON AS POSSIBLE
AFTER SEVERE EXPOSURE. EYES: FLUSH W/WATER. OBTAIN MEDICAL
ATTENTION IN ALL CASES.

Flash Point:NON-FLAMMABLE
Extinguishing Media:USE MEDIA APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:KEEP FIRE EXPOSED CYLINDERS COOL W/WATER
SPRAY.

Spill Release Procedures:EVACUATE PERSONNEL & VENTILATE AREA. IF
POSSIBLE, STOP SOURCE OF LEAK. USE APPROPRIATE RESPIRATORY
PROTECTION. CONTACT GAS SUPPLIER.
Neutralizing Agent:15% SODIUM HYDROXIDE OR OTHER ALKALI

Handling and Storage Precautions:STORE IN A WELL VENTILATED AREA. DON'T
EXPOSE ANY PART OF CYLINDER TO TEMPERATURES >125F. DON'T DEFACE
CYLINDERS OR LABELS.
Other Precautions:MOVE CYLINDERS W/AN ADEQUATE HAND TRUCK. RETURN
CYLINDERS W/POSITIVE PRESSURE.

Respiratory Protection:WEAR A SELF-CONTAINED BREATHING APPARATUS.
Ventilation:LOCAL EXHAUST: RECOMMENDED USE OF HOOD. MECHANICAL:
RECOMMENDED
Eye Protection:SAFETY GLASSES
Other Protective Equipment:SAFETY SHOES, EYE WASH STATIONS, & SAFETY
SHOWER.
Supplemental Safety and Health

Vapor Density: 0.974
Solubility in Water:0.071%
Appearance and Odor:COLORLESS W/AN IRRITATING PUNGENT ODOR.

Stability Indicator/Materials to Avoid:YES
WATER, STEAM, ALUMINUM, CHLORATES, FLUORINE MAGNESIUM, SODIUM, TIN
OXIDE, CESIUM OXIDE, & IRON OXIDE.
Stability Condition to Avoid:TEMPERATURES >125F
Hazardous Decomposition Products:CORROSIVE SULFURIC ACID

Waste Disposal Methods:TRY TO PREVENT ANY DIRECT RELEASE OF SULFUR
DIOXIDE TO THE ATMOSPHERE WHEN LEAKS CANNOT BE STOPPED. DISCHARGE
CYLINDERS AT A CONTROLLED RATE INTO A LARGE AMOUNT OF WATER
SOLUTION OF 15% OF SODIUM HYDR OXIDE OR OTHER ALKALI.

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.