Ethylene Oxide, 2-Chloroethanol (Fumigant) Analysis

Ethylene oxide (EO, ethylene oxide) is a fumigant widely used in the transportation of oil seeds and spices, fumigation during storage, and fumigation of industrial raw materials and medical equipment. Therefore, ethylene oxide and its metabolite 2-chloroethanol (2-CE) are sometimes detected in fumigated foods. However, ethylene oxide and 2-chloroethanol has been pointed out to be toxic to humans. A standard value (MRL) has been established for the sum of ethylene oxide and 2-chloroethanol.
Fujifilm Wako provides mixture standard solution and analytical standard that can be used for the analysis of ethylene oxide and 2-chloroethanol.

Pesticides/Veterinary-drug Search

Standard Values for Ethylene Oxide and 2-Chloroethanol in Each Country (as of September 2021)

Ethylene oxide (mg/kg) 2 -Chloroethanol (mg/kg)
US Spices, dried herbs: 7
Dried vegetables, licorice, sesame: 7
Walnut: 50
Spices, dried herbs: 940
Dried vegetables, licorice, sesame: 940
Walnut: -
Canada Spices, dried herbs, dried vegetables, sesame: 7 Spices, dried herbs, dried vegetables, sesame: 940
EU Grains, fruits, vegetables: 0.02
Nuts, herbs, oil seeds: 0.05
Tea, spices, etc.: 0.1
Japan Not detected Agriculture/livestock/marine products, processed foods (excludes capsules): 30 (provisional)
Foods intended for infant consumption: 10 (provisional)

Ethylene oxide, 2 -Chloroethanol Mixture Standard Solution

GC Chromatogram


Analysis conditions


Shimadzu GC-2010 Plus


Column: BP624 1.8 μm, 0.32 mm × 60 m

Column temperature: 40℃ (10 min.) → 20℃/min. → 220℃ (21 min.)

Injection temperature: 240℃

Carrier gas: He 2.0 mL/min.

Split ratio: 1/5

Detector temperature: 240℃

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Ethylene Oxide・2-Chloroethanol Mixture Standard Solution

2-Chloroethanol Standard

For research use or further manufacturing use only. Not for use in diagnostic procedures.

Product content may differ from the actual image due to minor specification changes etc.

If the revision of product standards and packaging standards has been made, there is a case where the actual product specifications and images are different.


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