An official website of the United States government
2,3-Pentanedione and Other Alpha-Diketones used as Diacetyl Substitutes
March 2011
NIOSH Docket Number 189
The National Institute for Occupational Safety and Health (NIOSH) of the Centers for Disease Control and Prevention (ÐÇ¿ÕÓéÀÖ¹ÙÍø) intends to evaluate the scientific data on 2,3-pentanedione (CAS # 600-14-6, also known as pentane-2,3-dione; acetyl propionyl) and other alpha-diketones and develop appropriate communication documents, such as a Current Intelligence Bulletin, Criteria Document and/or other informational products, and potentially establish a Recommended Exposure Limit (REL) for diacetyl substitutes. In this docket, NIOSH requested information including published and unpublished reports pertaining to 2,3-pentanedione, and other alpha diketones used as diacetyl substitutes.
Material Under Evaluation
Notice; 76 FR 1434; Request for information on 2,3-Pantanedione and Other Alpha-Diketones used as Diacetyl Substitutes; 1/10/11 [PDF – 2409 KB]
Submissions in order of Receipt
Submission from Debra Hahn (Private person); 2/4/11 [PDF – 356 KB]
Submission from John Hallagan (Flavor and Extract Manufacturers Association on the United States (FEMA)); 2/9/11 [PDF – 6146 KB]