CLASSIFICATION
C2H4O-Ethylene Oxide
Keywords:
Category:
Specialty Gas
Hotline:
C2H4O-Ethylene Oxide
Ethylene oxide (which is normally represented as "EO" or "ETO") is a flammable gas with a somewhat sweet odor. It dissolves easily in water. Ethylene oxide is a man-made chemical that is used primarily to make ethylene glycol (a chemical used to make antifreeze and polyester). A small amount EO gas is used to control insects in some stored agricultural products and a very small amount is used in hospitals to sterilize medical equipment and supplies. The relative instability of its molecular bonds makes it highly reactive and, thereby, extremely flammable and explosive in a wide range of concentrations.
Ethylene Oxide is compatible with a diverse range of materials and leaves no residue, making it particularly suitable as a sterilizing agent for the healthcare industry and as a fumigant for the processing of agricultural products and the storage of valuable documents.
Ethylene Oxide Gas/ EO Gas/ ETO Gas is a very effective sterilant for products that cannot tolerate heat, moisture or abrasive chemicals as well as products which contain materials that are structurally modified by exposure to radiation. More than 50% of the medical devices manufactured throughout the world today are sterilized by the Ethylene Oxide gas sterilization process.
Applications of Liquid Ethylene Oxide/EO GAS
1. Sterilization of Medical Devices
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Precision Sterilization:
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Liquid EtO is vaporized in sealed chambers to sterilize heat-sensitive medical equipment (e.g., surgical tools, catheters, implants).
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Preferred for materials that degrade under steam (autoclaving) or radiation.
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Pharmaceuticals:
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Used to sterilize drug powders, ointments, and packaging.
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2. Chemical Synthesis (Industrial Use)
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Ethylene Glycol Production:
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Liquid EO is hydrolyzed to make antifreeze (coolants) and polyester fibers.
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Surfactants & Detergents:
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Key intermediate in producing ethoxylates (used in soaps and cleaners).
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Ethanolamines:
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Converted into corrosion inhibitors and gas-scrubbing agents.
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3. Fumigation & Agriculture
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Pesticide Precursor:
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Rarely used directly but converted into fumigants for stored grains.
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Standard Specifications
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Ethylene oxide/EO gas/ETO gas: |
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FORMULA: |
C2H4O |
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CAS No.: |
75-21-8 |
Testing Method |
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EO Purity: |
≥99.9% |
GB/T 13098-2006 4.4 |
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Impurities: |
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Water |
0.0039 |
GB/T 13098-2006 4.6 |
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Aldehyde |
0.0004 |
GB/T 13098-2006 4.5 |
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Carbon dioxide |
0.0005 |
GB/T 13098-2006 4.8 |
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Acidity(acetic acid) |
0.0004 |
GB/T 13098-2006 4.7 |
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Chroma / Hazen units (platinum - cobalt color) |
5 |
GB/T 13098-2006 4.9 |
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Apperance |
Clear, colorless liquid |
GB/T 13098-2006 4.9 |
Standard Cylinder Sizes and Fill Volumes
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Cylinder Information |
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Cylinder Size |
Fill Volume (kg) |
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1000L |
790 |
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800L |
630 |
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100L |
79 |
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40L |
25 |
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Cylinder valve |
QF-2A/W21.8 |
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