Cottonseed oil 是一种提取自棉花种子中的食用油，是一种植物油中杀虫能力最强的油。

Cottonseed oil, a cooking oil extracted from the seeds of cotton plants, has been considered the most insecticidal of vegetable oils.

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Cottonseed oil

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years