application and synthesis of 3 - methylthio - butyraldehyde
toxicity gras (fema).
use limited fema: seasonings, pickles, vegetables, both 2.0mg / kg.
maximum allowable residual quantity of food additives
additives chinese name allows the use of the additive food chinese name additive function maximum allowable use (g / kg) maximum allowable residue (g / kg)
3-methylthiobutyraldehyde foods food flavors ingredients for the preparation of fragrances should not exceed the maximum allowable amount and maximum allowable residue in gb 2760
chemical properties colorless to pale yellow liquid. was green incense, musk fragrant, south african cloth orange incense. the boiling point of 63 ~ 65 ℃ (1333pa).
use gb 2760--1996 provides for the temporary use of food spices.
use for the production of seasonings
production methods to piperidine or copper acetate as a catalyst, from methyl mercaptan pre-cooled to -20 ° c in the formation of crotonaldehyde.