Phenol ketone products

Plastic rubber

Current Location： Home > News > Chemical Knowledge > Properties and Uses of Dimethyl Phthalate

[Chemical Knowledge]：Properties and Uses of Dimethyl Phthalate

Read： 521 Time：20months ago Source：Transform the World with Simplicity

Dimethyl phthalate (Dimethyl phthalate, DMP) is a common raw material for chemical production, which has important properties and a wide range of uses. This article will introduce the properties and uses of dimethyl phthalate in detail, so that readers can better understand and apply the raw material.

1. Dimethyl Phthalate Properties

1. Physical Properties
Dimethyl Phthalate is a colorless and transparent liquid with aromatic odor. It has a high boiling point of 196~198 ℃, a melting point of -3 ~-2 ℃, a relative density of 1.073, a refractive index of 1.5007, and a flash point of 92 ℃. Further, dimethyl phthalate is insoluble in water, but is miscible with organic solvents such as alcohols, ethers, and ketones.

2. chemical properties
phthalic acid dimethyl ester has strong chemical stability, not easy to be oxidized, reduced or hydrolyzed. However, under high temperature, acidic or alkaline conditions, it can undergo a decomposition reaction to generate the corresponding acid and alcohol. In addition, dimethyl phthalate can also react with some metal ions to form salts.

2. the use of dimethyl phthalate

1. Plastic plasticizer
dimethyl phthalate as a common plasticizer, is widely used in plastic processing industry. It can effectively increase the flexibility, ductility and plasticity of plastics, and improve the processing performance and service life of plastics. Common applications include polyvinyl chloride (PVC) cables, artificial leather, plastic products, etc.

2. solvent and extractant
dimethyl phthalate has good solubility and extraction performance, can be used as solvent and extractant. In the fields of inks, coatings, adhesives, etc., dimethyl phthalate can be used as a solvent to improve the fluidity and drying properties of products. In addition, it can also be used to extract some organic compounds and realize the separation and purification of substances.

3. Preparation of Fragrances and Fragrances
Dimethyl phthalate has an aromatic odor and can be used to prepare fragrances and flavors. In the field of food, cosmetics and other fields, dimethyl phthalate can be used as one of the ingredients of the flavor, giving the product a specific aroma and taste.

4. Other application
In addition to the above common uses, dimethyl phthalate can also be used to produce some other chemical products, such as pesticides, pharmaceutical intermediates, etc. In addition, it can also be used as an additive for lubricating oil to improve the anti-wear performance and extreme pressure performance of lubricating oil.

In conclusion, dimethyl phthalate, as an important raw material for chemical production, has a wide range of uses and good properties. In practical applications, it is necessary to select appropriate production processes and operation methods according to different production needs and product requirements to ensure product quality and performance. At the same time, it is also necessary to pay attention to the safe use and storage of dimethyl phthalate to avoid adverse effects on the environment and human health.

Previous： Properties and Uses of Saturated Polyester Resins

Next： Properties and Uses of High Pressure Films

News Categories