Product ID:SULFUR DIOXIDE
MSDS Date:05/02/1991
FSC:6810
NIIN:00N040991
MSDS Number: BSJGF

MG INDUSTRIES

2460 BOULEVARD OF THE GENERALS
VALLEY FORGE, PA 19482
US

Emergency Phone: 800-424-9300 (CHEMTREC)

Info Phone: 215-630-5422

Cage: 08772

MG INDUSTRIES

MALVERN, PA 19355-1424 US

Telephone: 610-695-7400 / 610-695-7449

Cage: 08772

GAS MAY CAUSE IRRIT, POSS SEVERE.

MAY CAUSE

W/IMMED BLURRING & PROGRESSIVE WORSENING OF VISION &

OF THE CORNEA, SOMETIMES ACCOMPANIED BY LOSS OF

INGEST OF GAS IS UNLIKELY. CHRONIC

TREAT SYMPTOMATICALLY & SUPPORTIVELY.

OF CHEM REMAINS (AT LEAST 15-20 MINS). IN

BANDAGE SECURELY, BUT NOT TOO TIGHTLY. GET MED ATTN

OCCASIONALLY LIFTING UPPER/LOWER LIDS UNTIL NO

CONTINUE IRRIGATING W/NORMAL SALINE UNTIL THE PH

UNLIKELY THAT

TREAT SYMPTOMATICALLY & SUPPORTIVELY & GET MED

STAY UPWIND, OUT OF LOW AREAS & VENT CLSD

THE IMMEDIATE WORK AREA FOR EMERGENCY USE.

SULFUR DIOXIDE (SARA III)

CAS: 7446-09-5

RTECS: WS4550000

Fraction By Weight: 100%

OSHA PEL 2 PPM; 5 STEL

ACGIH TLV: 2 PPM; 5 STEL

WHEEZING, ULCERATION OF NASAL SEPTUM, ALTERATION

GASTRIC DISTURBS, NERVOUS SYSEM DISORDERS, GINGIVAL

DESTRUCTION. CHRONIC RESP ILLNESS, INCREASED SENSIT

THRESHOLD & GENL ACCLIMATIZATION ARE COMMON IN

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHAL:CORR/SENSIT. 100 PPM IDLH.
ACUTE: INCRD PULSE RATE, SHALLOW, RAPID RESP RATE. MAY CAUSE
INTENSE IRRIT OF MUC MEMBS, SEVERE CHOKING, VIOLENT COUGH,
HOARSENESS, SNEEZING, CHEST PAIN, DYSPNEA, CYAN OSIS, NAUS, VOMIT,
ABDOM PAIN, URINARY INCONTINENCE, ANXIETY, MENTAL CONFUSION &
UNCON. IN SEVERE EXPOS(EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ: SYMPS POSS DELAYED, MAY INCL
LARYNGEAL & EDEMA, CHEM PNEUM/BROCHOPNEUM. DEATH DUE TO RESP
PARALYSIS, PULM EDEMA/SYSTEMIC ACIDOSIS,CONVL MAY OCCUR. EFTS ON
PULM FUNCTION ARE INCR IN PRESENCE OF RESP PARTICLES & SOME INDIV
ARE MORESENSIT THAN OTHERS. CHRONIC: MAY CAUSE IRRIT & INFLAMM OF
RESP TRACT(SUPP DATA)
Medical Cond Aggravated by Exposure:AT INCREASED RISK FROM EXPOS:
PERSONS WITH ASTHMA OR PRE-EXISTING RESPIRATORY DISORDERS. THE
PRESENCE OF SMOKE, PARTICULATES OR AEROSOLS MAY INCREASE THE
HAZARDS.

First Aid:INHAL: REMOVE FROM EXPOS AREA TO FRESH AIR IMMED. IF BRTHG
HAS STOPPED, GIVE ARTF RESP, MNTN AIRWAY & BLOOD PRESS & ADMIN
OXYGEN IF AVAIL. KEEP AFFECTED PERS WARM & AT REST. TREAT SYMPTO &
SUPPORT. AD MIN OF OXYGEN SHLD BE PERFORMED BY QUALIFIED PERS. GET
MED ATTN. SKIN: REMOVE CONTAMD CLTHG & SHOES IMMED. WASH AFFECTED
AREA W/SOAP OR MILD DETERGENT & LGE AMTS OF WATER UNTIL NO EVIDENCE
(ING 12)

Extinguishing Media:DRY CHEMICAL OR CARBON DIOXIDE. FOR LRGR FIRES USE
WATER SPRAY, FOG OR REGULAR FOAM.
Fire Fighting Procedures:NIOSH/MSHA APPRVD SCBA & FULL PROT EQUIP .
MOVE CNTNR FROM FIRE AREA IF CAN BE DONE W/OUT RISK. APPLY COOLING
WATER TO SIDES OF CNTNRS THAT ARE(SUPP DATA)
Unusual Fire/Explosion Hazard:CNTNRS MAY EXPLODE IN FIRE CNDTNS. COOL
CNTNRS W/FLOODING AMTS OF WATER. APPLY FROM AS FAR A DISTANCE AS
POSS. KEEP UPWIND. (SUPP DATA)

Spill Release Procedures:STOP LEAK IF CAN DO W/OUT RISK. USE WATER
SPRAY TO REDUCE VAPS; DO NOT PUT WATER DIRECTLY ON LEAK/SPILL AREA.
ISOLATE AREA FOR AT LEAST 150 FT DIAMETER UNTIL GAS HAS DISPERSED.
KEEP UNNEC PEOPLE AWAY. ISOLATE HAZ AREA & DENY ENTRY. STAY (ING
18)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:PROTECT AGAINST PHYSICAL DMG. STORE
OUTDOORS OR IN A WELL VEN AREA OF NONCOMBUSTIBLE CONSTRUCTION.
STORE AWAY FROM INCOMP SUBTANCES.
Other Precautions:AVOID CONTACT WITH SKIN OR INHALATION OF VAPORS.

Respiratory Protection:SPECIFIC RESPIRATOR SELECTED MUST BE BASED ON
CONTAM LEVELS FOUND IN WORK PLACE, MUST NOT EXCEED WORKING LMTS OF
RESP & BE JOINTLY APPROVED BY NIOSH/MSHA. CONTACT NEHC FOR SPECIFIC
LIST OF RESPIRATORS .
Ventilation:PROVIDE LOC EXHAUST OR PROCESS ENCLOSURE VENTILATION TO
MEET PUBLISHED EXPOSURE LIMITS.
Protective Gloves:FULL PROT, COLD INSULATING GLOVES.
Eye Protection:ANSI APRV CHEMICAL WORKERS GOGGLES (FP N
Other Protective Equipment:IMPERVIOUS CLTHG & EQUIP TO PVNT SKIN FROM
FREEZING. PROVIDE AN EYE WASH FOUNTAIN & QUICK DRENCH SHOWER W/IN
(ING 19)
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
PH:ACIDIC IN SOLN. FIRE FIGHT PROC:EXPOS TO FLAMES UNTIL WELL AFTER
FIRE IS OUT. STAY AWAY FROM ENDS OF TANKS. ISOLATE AREA UNTIL GAS
HAS DISPERSED. EXPLO HAZ:CONSIDER EVAC OF DOWNWIND AREA IF MATL IS
LEAKING. EFTS OF OVEREXP: A SENSATION OF BURNING, DRYNESS, & PAIN
IN NOSE & THROAT. COUGH(POSS W/BLOODY SPUTUM,(ING 2)

Boiling Pt:B.P. Text:14F,-10C
Melt/Freeze Pt:M.P/F.P Text:-99F,-73C
Vapor Pres:2432 @ 20C
Vapor Density:2.26
Spec Gravity:1.462 @ -10C
pH:SUPDAT
Evaporation Rate & Reference:>1 (BUAC=1)
Solubility in Water:22.8% @ 0C
Appearance and Odor:COLORLESS GAS OR LIQUID WITH A SUFFOCATING ODOR.

Stability Indicator/Materials to Avoid:YES
ALUMINUM, AMMONIA, METALS, PLASTICS & OTHERS. CONTACT NEHC FOR MORE
INFORMATION .
Stability Condition to Avoid:CONTAINERS MAY PRESENT AN EXPLOSION HAZARD
IN FIRE CONDITIONS.
Hazardous Decomposition Products:THERM DECOMP PRODUCTS MAY INCLUDE
TOXIC OXIDES OF SULFUR.

Waste Disposal Methods:OBSERVE ALL FEDERAL, STATE & LOCAL REGULATIONS
WHEN DISPOSING OF THIS SUBSTANCE FOR ASSISTANCE, CONTACT DISTRICT
DIRECTOR OF EPA. REPORTABLE QUANTITY (RQ): 1 POUND.

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.