Product ID:ETHYLENE OXIDE
MSDS Date:04/01/1991
FSC:6830
NIIN:00-291-5007
MSDS Number: BDVLY

UNION CARBIDE CORP INDUSTRIAL CHEMICALS DIV

39 OLD RIDGEBURY ROAD
DANBURY, CT 06817-0001
US

Emergency Phone: 514-640-6400

Info Phone: 800-822-4357

Cage: 61637

UNION CARBIDE CORP LINDE DIV

DANBURY, CT 06817-0001 US

Telephone: 800-822-4357; 304-744-3487

Cage: 36346

ETHYLENE OXIDE (SARA III)

CAS: 75-21-8

RTECS: KX2450000

Fraction By Weight: 100%

OSHA PEL 1 PPM; SEE 1910.1047

ACGIH TLV: 1 PPM, A2; 9293

EPA Report Quantity: 10 LBS

DOT Report Quantity: 10 LBS

LD50 LC50 Mixture:TLV IS 1 PPM.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:YES
Health Hazards Acute and Chronic:ACUTE- UNLIKELY TO BE INGESTED. SKIN
ABSORPTION MAY OCCUR. SKIN CONTACT MAY CAUSE EDEMA & VESICLES. MAY
HAVE FROSTBITE-LIKE EFFECT. MAY BE FATAL IF INHALED IN HIGH
CONCENTRATIONS. MAY CAUSE LUNG INJUR Y. CONTACT WITH EYES MAY CAUSE
CORNEAL INJURY FROM LIQUID. CHRONIC- ALLERGIC CONTACT DERMATITIS,
MUTAGENIC, GENOTOXIC.
Explanation of Carcinogenicity:CONTAINS E [75-21-8] WHICH
IS LISTED BY NTP AND IARC AND REGULATED BY OSHA AS A CARCINOGEN.
Effects of Overexposure:SEVERE IRRITATION AND ULCERATION OF MOUTH &
THROAT, ABDOMINAL PAIN, NAUSEA, VOMITING, COLLAPSE,COMA, HEADACHE,
DIZZINESS, COUGHING, CHEST TIGHTNESS, DIARRHEA, WEAKNESS,
DROWSINESS, CYANOSIS, LOSS OF C OORDINATION, CONVULSION, SEVERE EYE
IRRITATION, SKIN EDEMA
Medical Cond Aggravated by Exposure:UNLIKELY TO AGGRAVATE EXISTING
MEDICAL CONDITIONS.

First Aid:GET MEDICAL ATTENTION IF SYMPTOMS PERSIST. SKIN:REMOVE
CONTAMINATED CLOTHING. FLUSH SKIN WITH WATER, THEN WASH WITH SOAP &
WATER. EYE:FLUSH WITH WATER FOR 15 MINUTES, HOLDING EYELIDS OPEN.
INHALED:REM OVE TO FRESH AIR. PROVIDE OXYGEN/CPR IFNEEDED. ORAL:DO
NOT INDUCE VOMITING. IF CONSCIOUS, DRINK AT LEAST TWO GLASSES OF
WATER. GET MEDICAL ATTENTION.

Flash Point Method:TCC
Flash Point:<0F,<-18C
Lower Limits:3.0
Upper Limits:100
Extinguishing Media:WATER SPRAY, CO2, ALCOHOL-TYPE FOAM/DRY CHEMICAL.
WATER SPRAY MAY BE USED TO KEEP FIRE EXPOSED CONTAINERS COOL &
FLUSH
Fire Fighting Procedures:WEAR FULL PROTECTIVE CLOTHING AND
NIOSH-APPROVED SELF-CONTAINED BREATHING APPARATUS WITH FULL
FACEPIECE OPERATED IN THE POSITIVE PRESSURE MODE.
Unusual Fire/Explosion Hazard:EXTREMELY FLAMMABLE. MAY FORM EXPLOSIVE
MIXTURE WITH AIR. ETHYLENE OXIDE CAN BURN WITHOUT THE PRESENCE OF
AIR. CAN DECOMPOSE VIOLENTLY.

Spill Release Procedures:DANGER:FORMS EXPLOSIVE MIXTURE WITH AIR.
EVACUATE AND VENTILATE AREA. WEAR PROTECTIVE EQUIPMENTS. REMOVE ALL
SOURCES OF IGNITION AND SHUT OFF LEAK, IF POSSIBLE. REDUCE VAPORS
WITH FOG/FINE SPRAY WATER . FLOOD SPILL WITH WATER. AVOID DISCHARGE
TO SEWER
Neutralizing Agent:NOT RELEVANT

Handling and Storage Precautions:STORE IN A COOL, DRY, WELL VENTILATED
AREA AWAY FROM ALL SOURCES OF IGNITION AND INCOMPATIBLE MATERIALS.
KEEP CYLINDERS SECURED.
Other Precautions:WARNING: SUDDEN RELEASE OF HOT ORGANIC CHEMICAL
VAPORS/MISTS FROM PROCESS EQUIPMENT OPERATING AT ELEVATED
TEMPERATURE AND PRESSURE MAY RESULT IN IGNITIONS WITHOUT PRESENCE
OF ANY IGNITION SOURCES. DAN GER: BE SURE TO READ MSDS AND ALL
LABLES

Respiratory Protection:USE NIOSH-APPROVED SELF-CONTAINED BREATHING
APPRATUS OR POSITIVE PRESSURE, FULL FACEPIECE SUPPLIED AIR
RESPIRATOR FOR USE UP TO 2000 PPM.
Ventilation:LOCAL/MECHANICAL (NON-SPARKING) EXHAUST TO MAINTAIN
PEL/TLV.
Protective Gloves:BUTYL RUBBER
Eye Protection:SAFETY GOGGLES WITH FACE SHIELD
Other Protective Equipment:EYE WASH STATION, SAFETY SHOWER, WORK
CLOTHING AND APRON AS REQUIRED.
Work Hygienic Practices:OBSERVE GOOD PERSONAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES. DO NOT WEAR CONTACT LENSES.
Supplemental Safety and Health
NEVER WORK ON A PRESSURIZED SYSTEM. STORE AND USE WITH ADEQUATE
VENTILATION AT ALL TIME. CLOSE VALVE WHEN NOT IN USE AND WHEN
EMPTY. WASH THOROUGHLY AFTER HANDLING. FOR INDUSTRY USE ONLY. AVOID
BREAT HING VAPORS AND CONTACT WITH EYES, SKINOR CLOTHING.

HCC:G2
Boiling Pt:B.P. Text:50.7F,10.4C
Melt/Freeze Pt:M.P/F.P Text:-171F,-113C
Decomp Temp:Decomp Text:>1040F,>560
Vapor Pres:1095 @ 68F
Vapor Density:1.52
Spec Gravity:0.8719
Viscosity:804F
Evaporation Rate & Reference:72 (N-BUTYL ACETATE=1)
Solubility in Water:COMPLETE
Appearance and Odor:COLORLESS LIQUID AND GAS AT NORMAL TEMPERTURE AND
PRESSURE, ETHER-LIKE ODOR
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
OXIDIZERS, ALKALIES, ACIDS, ALKALI METALS, ALCOHOLS, MERCAPTANS,
COPPER, SILVER, MAGNESIUM, MERCURY AND THEIR SLATS
Stability Condition to Avoid:TEMPERATURES ABOVE 52C (126F), FLAME,
SPARKS, STATIC ELECTRICITY, HOT SURFACES
Hazardous Decomposition Products:CARBON MONOXIDE AND CARBON DIOXIDE

Waste Disposal Methods:DISCARD ANY PRODUCT, RESIDUE, DISPOSABLE
CONTAINER OR LINER IN AN ENVIRONMENTALLY ACCEPTABLE MANNER, IN FULL
COMPLIANCE WITH LOCAL, STATE AND FEDERAL REGULATIONS. REPORTABLE
QUANTITY (RQ): 10 LBS.

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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.