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主要用于制造鄰苯二甲酸、脂肪族二元酸及磷酸的正丁酯類增塑劑，它們廣泛用于各種塑料和橡膠制品中。也是有機合成中制丁醛、丁酸、丁胺和乳酸丁酯等的原料。還是脫水劑、抗乳化劑以及油脂、（維生素）和香料的萃取劑，醇酸樹脂涂料的添加劑等。又可用作有機染料和印刷油墨的溶劑，脫蠟劑。作為溶劑用以分離高氯酸鉀和高氯酸鈉，也可以分離氯化鈉和氯化鋰。用以洗滌乙酸鈾酰鋅鈉沉淀。比色測定中用鉬酸鹽法測定砷酸。測定牛乳中的脂肪。皂化酯類的介質。顯微分析時制備石臘包埋物質。用作脂肪、蠟、樹脂、蟲膠、樹膠等的溶劑。硝基噴漆的助溶劑等。

Mainly used in the production of n-butyl ester plasticizers for phthalic acid, aliphatic dicarboxylic acid, and phosphoric acid, they are widely used in various plastic and rubber products. It is also a raw material for the production of butyraldehyde, butyric acid, butylamine, and butyl lactate in organic synthesis. It is also a dehydrating agent, anti emulsifier, and extractant for fats, vitamins, and spices, as well as an additive for alkyd resin coatings. It can also be used as a solvent and dewaxing agent for organic dyes and printing inks. As a solvent, it can be used to separate potassium perchlorate and sodium perchlorate, as well as sodium chloride and lithium chloride. Used to wash the precipitation of sodium uranyl zinc acetate. Molybdate method is used in colorimetric determination to determine arsenic acid. Measure the fat in milk. The medium for saponification esters. Prepare paraffin embedded material for microscopic analysis. Used as a solvent for fats, waxes, resins, shellac, tree gum, etc. Co solvents for nitro spray paint, etc.

色譜分析標準物質。用于砷酸的比色測定，分離鉀、鈉、鋰、氯酸鹽的溶劑。

Standard substances for chromatographic analysis. Used for colorimetric determination of arsenic acid, as a solvent for separating potassium, sodium, lithium, and chlorates.

用作分析試劑，如作溶劑，作色譜分析標準物質。還用于有機合成。

Used as an analytical reagent, such as a solvent, as a standard substance for chromatographic analysis. Also used in organic synthesis.

為重要的溶劑，在脲醛樹脂、纖維素樹脂、醇酸樹脂和涂料的中大量使用，也可作為膠黏劑中常用的非活性稀釋劑。也是重要的化工原料，用于增塑劑鄰苯二甲酸二丁酯、脂肪族二元酸酯、磷酸酯。也用作脫水劑、抗乳化劑以及油脂、香料、、維生素等的萃取劑，醇酸樹脂涂料的添加劑，硝基噴漆的助溶劑等。

As an important solvent, it is widely used in the production of urea formaldehyde resin, cellulose resin, alkyd resin, and coatings, and can also be used as a commonly used non active diluent in adhesives. It is also an important chemical raw material used in the production of plasticizers such as dibutyl phthalate, aliphatic dicarboxylic acid esters, and phosphate esters. It is also used as a dehydrating agent, anti emulsifier, and extractant for oils, spices, vitamins, etc., an additive for alkyd resin coatings, and a co solvent for nitro spray paint.

化妝品溶劑。主要在指甲油等化妝品中作為助溶劑,以配合醋酸乙酯等主溶劑,有助于色料的溶解以及調節溶劑的揮發速度和黏度。添加量一般為10%左右。

Cosmetic solvents. It is mainly used as cosolvent in cosmetics such as nail polish to coordinate with main solvents such as ethyl acetate, which helps to dissolve pigments and adjust the volatilization speed and viscosity of solvents. The addition amount is generally around 10%.

絲印中可用作油墨調配的消泡劑。

A defoamer that can be used as an ink blending agent in screen printing.

用于烘烤食品、布丁、糖果。

Used for baking food, pudding, candies.

用于制取酯類、塑料增塑劑、醫藥、噴漆，以及用作溶劑。

Used for the production of esters, plastic plasticizers, pharmaceuticals, spray paint, and as solvents.