May be prepared by hydrolysis of the diethyl acetal of 2-methyl
thioacetaldehyde with diluted HCL; the diethyl acetal is prepared
from diethylbromoacetal treated with sodium methyl mercaptide.
Occurrence
Reported found in tomato, potato chips, coffee and malt.
Definition
ChEBI: (methylsulfanyl)acetaldehyde is an aldehyde that is acetaldehyde in which one of the methyl hydrogens has been replaced by a methylsulfanyl group. It is an aldehyde and a methyl sulfide. It is functionally related to an acetaldehyde.
Preparation
By hydrolysis of the diethyl acetal of 2-methyl thioacetaldehyde with diluted HCl; the diethyl acetal is prepared from
diethylbromoacetal treated with sodium methyl mercaptide
Aroma threshold values
Detection: 16 ppb
Taste threshold values
Taste characteristics at 25 ppm: alliaceous and vegetative with a good mouthfeel; onion and garlic-like with
a potato and bready nuance
2-Methylthioacetaldehyde Preparation Products And Raw materials