1-Methoxy-2-Propanol CAS 107-98-2 Propylene Glycol Methyl Ether

Factory Supply 1-Methoxy-2-Propanol CAS 107-98-2 Propylene Glycol Methyl Ether with Best Price

  • Appearance: Colorless liquid
  • Assay: 99. 0%min
  • Stock: In stock
  • Sample: Available
  • Zhishang Chemical: 1-Methoxy-2-Propanol Supplement

Basic Info of 1-Methoxy-2-Propanol

What is 1-Methoxy-2-Propanol?

The toxicity of propylene glycol ether to human body is lower than that of glycol ether products, and it is a low-toxic ether. Propylene glycol methyl ether has a weak ethereal odor, but no strong pungent odor, making it more widely used and safe. Propylene glycol methyl ether is an environmentally friendly natural solvent, which is commonly used in chemical production.

Propylene glycol methyl ether has a weak ethereal odor, but no strong pungent odor, making it more widely used and safe. Because its molecular structure has both ether groups and hydroxyl groups, it has excellent solubility, suitable volatilization rate and reactivity, and is widely used.

Propylene Glycol Methyl Ether Uses

  1. 1-Methoxy-2-propanol is an intermediate for the herbicide metolachlor.
  2. Propylene glycol methyl ether is mostly utilized as an exceptional solvent for nitrocellulose, alkyd resin and also maleic anhydride-modified phenolic material, as an additive for jet fuel antifreeze and brake liquid, and so on; mainly as solvent, dispersant as well as diluent It is likewise made use of as fuel antifreeze, extractant, etc.
  3. Propylene glycol methyl ether is made use of as solvent; dispersant or diluent is used in coatings, inks, printing as well as dyeing, chemicals, cellulose and acrylate industries. It can likewise be utilized as fuel antifreeze, cleansing representative, extractant and also non-ferrous steel clothing representative.

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Application of 1-Methoxy-2-Propanol

Recovery Method of 1-Methoxy-2-Propanol

A large amount of propylene glycol methyl ether waste liquid will be generated in the chemical production process of coating preparation, papermaking chemical production, paper surface treatment, etc. The research and recovery of propylene glycol methyl ether is of great significance, which not only has very considerable economic benefits, but also is more conducive to environmental protection.

The boiling point of propylene glycol methyl ether is 118~119℃, which is very close to the boiling point of benzene and toluene, and is miscible with water. Therefore, in the experimental process of recovering propylene glycol methyl ether, the effective separation of propylene glycol methyl ether from benzene and toluene is a difficulty. Xi Wei et al. adopted the azeotropic distillation technology, and under the condition of adding an appropriate amount of anhydrous ethanol azeotrope to the waste liquid, the high-purity target product could be separated in the form of continuous distillation with relatively stable yield. The conditions are as follows:

  1. The rectification tower is controlled according to the intermittent production process, and the raw material liquid is added from the tower kettle at one time to reduce unnecessary contact and pollution with the pipeline.
  2. Heating slowly and control the steam pressure at 0.3~0.4MPa.
  3. After the low-boiling fraction is distilled off at the top of the tower, complete reflux is carried out, and the total reflux time is set to 36~60min.
  4. After the temperature at the top of the column is stable, open the valve of the distillate at the top of the column, control the reflux ratio from 1:1 to 1:0.5, and record the temperature.
  5. When the temperature at the top of the tower is less than 110 °C, the light components are distilled out, and 110~115 °C is regarded as a suspicious component. It is confirmed by sampling and analysis in two stages. The fractions greater than 115 °C are regarded as genuine products. The detection determines the value of the tower top temperature in the later stage.

Reference

  1. 1-Methoxy-2-Propanol – ChemicalBook
  2. 1-Methoxy-2-Propanol – PubChem

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