主要用于制造邻苯二甲酸、脂肪族二元酸及磷酸的正丁酯类增塑剂，它们广泛用于各种塑料和橡胶制品中。也是有机合成中制丁醛、丁酸、丁胺和乳酸丁酯等的原料。还是脱水剂、抗乳化剂以及油脂、（维生素）和香料的萃取剂，醇酸树脂涂料的添加剂等。又可用作有机染料和印刷油墨的溶剂，脱蜡剂。作为溶剂用以分离高氯酸钾和高氯酸钠，也可以分离氯化钠和氯化锂。用以洗涤乙酸铀酰锌钠沉淀。比色测定中用钼酸盐法测定砷酸。测定牛乳中的脂肪。皂化酯类的介质。显微分析时制备石腊包埋物质。用作脂肪、蜡、树脂、虫胶、树胶等的溶剂。硝基喷漆的助溶剂等。

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.

色谱分析标准物质。用于砷酸的比色测定，分离钾、钠、锂、氯酸盐的溶剂。

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

用作分析试剂，如作溶剂，作色谱分析标准物质。还用于有机合成。

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

为重要的溶剂，在脲醛树脂、纤维素树脂、醇酸树脂和涂料的生产中大量使用，也可作为胶黏剂中常用的非活性稀释剂。也是重要的化工原料，用于生产增塑剂邻苯二甲酸二丁酯、脂肪族二元酸酯、磷酸酯。也用作脱水剂、抗乳化剂以及油脂、香料、、维生素等的萃取剂，醇酸树脂涂料的添加剂，硝基喷漆的助溶剂等。

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.

化妆品溶剂。主要在指甲油等化妆品中作为助溶剂,以配合醋酸乙酯等主溶剂,有助于色料的溶解以及调节溶剂的挥发速度和黏度。添加量一般为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%.

丝印中可用作油墨调配的消泡剂。

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.

用于制取酯类、塑料增塑剂、医药、喷漆，以及用作溶剂。

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