ethylorthoformate tirethyl orthoformate content: more than or equal 99.5% ethyl formate content: less than or equal 0.2% ethanol content: less than or equal 0.2% impurity content: less than or equal 0.1% water content : less than or equal 0.01% 1. properties : international code 33595 cas no.:122-51-0 alias:ethylorthoformate;triethoxymethane molecular formula c7h16o3；ch3ch2och(och2ch3) appearance colorless liquid, with spicy odor molecular weight 148.20 vapour tension 1.33kpa/ 40.5℃ flash point: 30℃ melting point -76.1℃ boiling point: 145.9℃ solubility slightly soluble in water, soluble in organic solvents density relative density(water=1)0.89； relative density(air=1)5.11 stability stable hazardous sign 7(inflammable liquid ) uses used in organic synthesis, used as pharmaceutical intermediates & photosensitive material