Characteristics
Application
| Appearance | Transparent homogeneous oily liquid without mechanical impurities |
| Color unit Hazena, no more | 50 |
| Density at 20 С, g / cm3 | 1,190-1,194 |
| Acid number, mg KOH / g, no more | 0,07 |
| Acid number after heating mg / KOH, no more | 0,3 |
| Saponification number, mgKOH / g | 571-583 |
Dimethyl phthalate is a colorless or slightly yellowish viscous liquid with a faint odor.
Almost insoluble in water and mineral oils, easily miscible with alcohols and other organic solvents, low toxicity.
Synonyms and international names
O-phthalic acid dimethyl ester, avolin, dimethyl phthalat
Application
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as a plasticizer of cellulose ethers, vinyl polymers, rubbers;
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used in the manufacture of polymer building materials, linoleums, packaging films;
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insect control component (repellent);
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in metallurgy as a blowing agent for metal concentrate flotation.