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oxirane
CAS No.: 75-21-8
Synonyms:
Formula: C2H4O
Exact Mass: 44.02620
Molecular Weight: 44.05260
PSA: 12.53000
LogP: 0.01660
Reference Price: $1,645/ton Inquiry Now
oxirane 75-21-8 MSDS
Name: Ethylene oxide 99+% Material Safety Data Sheet
Synonym:
CAS: 75-21-8
Section 1 - Chemical Product   MSDS Name:Ethylene oxide 99+% Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
75-21-8
Hazard Symbols: T F+
Risk Phrases:

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Extremely flammable. Toxic by inhalation. Irritating to eyes, respiratory system and skin. May cause cancer. May cause heritable genetic damage.
Potential Health Effects
The toxicological properties of this material have not been investigated. Use appropriate procedures to prevent opportunities for direct contact with the skin or eyes and to prevent inhalation.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Remove contaminated clothing and shoes.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Use agent most appropriate to extinguish fire.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Storage:
Store in a cool, dry place. Keep container closed when not in use.
Refrigerator/flammables.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use process enclosure, local exhaust ventilation, or other engineering controls to control airborne levels. See 29CFR 1910.1047 for regulations applying to all occupational exposures to ethylene oxide.
Personal Protective Equipment Eyes: Wear chemical goggles.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize contact with skin.
Respirators:
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Gas
Color: colorless
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 11 deg C
Freezing/Melting Point: 0 deg C
Autoignition Temperature: 429 deg C ( 804.20 deg F)
Flash Point: -20 deg C ( -4.00 deg F)
Explosion Limits, lower: 3.0%
Explosion Limits, upper: 100%
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density: .8700g/cm3
Molecular Formula: C2H4O
Molecular Weight: 44.04

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, strong oxidants.
Incompatibilities with Other Materials:
Not available.
Hazardous Decomposition Products:
Irritating and toxic fumes and gases.
Hazardous Polymerization: Not available.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 75-21-8: KX2450000 LD50/LC50:
CAS# 75-21-8: Draize test, rabbit, eye: 18 mg/6H Moderate; Inhalation, mouse: LC50 = 836 ppm/4H; Inhalation, rat: LC50 = 800 ppm/4H; Oral, rat: LD50 = 72 mg/kg.
Carcinogenicity:
Ethylene oxide - Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
No information available.
IMO
No information available.
RID/ADR
No information available.

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T F+
Risk Phrases:
R 12 Extremely flammable.
R 23 Toxic by inhalation.
R 36/37/38 Irritating to eyes, respiratory system
and skin.
R 45 May cause cancer.
R 46 May cause heritable genetic damage.
Safety Phrases:
S 53 Avoid exposure - obtain special instructions
before use.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 75-21-8: 2
United Kingdom Occupational Exposure Limits
United Kingdom Maximum Exposure Limits
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 75-21-8 is not listed on Canada's Ingredient Disclosure List.
Exposure Limits
CAS# 75-21-8: OEL-ARAB Republic of Egypt:TWA 10 ppm (20 mg/m3)
OEL-AUSTRALIA:TWA 1 ppm (2 mg/m3);Carcinogen JAN9
OEL-BELGIUM:TWA 1 ppm (1.8 mg/m3);Carcinogen JAN9
OEL-CZECHOSLOVAKIA:TWA 1 mg/m3;STEL 5 mg/m3
OEL-DENMARK:TWA 1 ppm (1.8 mg/m3);Carcinogen JAN9
OEL-FINLAND:TWA 1 ppm (2.8 mg/m3);Carcinogen JAN9
OEL-FRANCE:TWA 5 ppm (10 mg/m3);STEL 10 ppm (20 mg/m3);CAR
OEL-GERMANY;Skin;Carcinogen
OEL-HUNGARY:STEL 1 mg/m3;Carcinogen
OEL-JAPAN:TWA 50 ppm (90 mg/m3);Carcinogen
OEL-THE NETHERLANDS:TWA 50 ppm (90 mg/m3)
OEL-THE PHILIPPINES:TWA 50 ppm (90 mg/m3)
OEL-POLAND:TWA 1 mg/m3
OEL-RUSSIA:TWA 50 ppm;STEL 1 mg/m3
OEL-SWEDEN:TWA 1 ppm (2 mg/m3);STEL 5 ppm (9 mg/m3);Skin;CAR
OEL-SWITZERLAND:TWA 1 ppm (2 mg/m3).;Skin;Carcinogen
OEL-TURKEY:TWA 50 ppm (90 mg/m3)
OEL-UNITED KINGDOM:TWA 5 ppm (10 mg/m3)
OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGI TLV
US FEDERAL
TSCA
CAS# 75-21-8 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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