Product Specification 4-METHYLTHIO-2-BUTANONE Other Details Other Details Status: Synthetic Food Grade: Yes Kosher: Yes Halal: Yes ECHA Number: 251-810-8 FLAVIS Number: 12.057 JECFA Number: 497 COE Number: 11688 Dangerous Goods Dangerous Goods: Yes UN Number: 3334 DG Class: 9 Packing Group: III Documentation