63750-13-0

Basic information

• Product Name: 2-13C isobutene
• Synonyms: 2-13C isobutene
• CAS NO: 63750-13-0
• Molecular Weight: 57.0965
• Mol File: 63750-13-0.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: 2-13C isobutene(CAS DataBase Reference)
• NIST Chemistry Reference: 2-13C isobutene(63750-13-0)
• EPA Substance Registry System: 2-13C isobutene(63750-13-0)

Safety Data

• Hazardous Substances Data: 63750-13-0(Hazardous Substances Data)

Upstream product

• 3881-06-9 [2-(13C)]acetone 
• 1563-79-7 [1-13C]-acetic acid 

Relevant articles and documents

Cascade reactions for the continuous and selective production of isobutene from bioderived acetic acid over zinc-zirconia catalysts

Bio-oil (obtained from biomass fast pyrolysis) contains a high concentration of acetic acid, which causes problems related to its storage and handling. Acetic acid was upgraded directly to isobutene over a ZnxZryOz binary metal oxide. The reaction proceeds via a three-step cascade involving ketonization, aldol condensation, and C-C hydrolytic bond cleavage reactions, which was corroborated by isotopic labeling studies. Separately, ZnO and ZrO2 are incapable of producing isobutene from either acetic acid or acetone. In contrast, under optimal conditions, a Zn2Zr8Oz catalyst generates a ca. 50% isobutene yield, which corresponds to 75% of the theoretical maximum. Spectroscopic investigations revealed that a balanced concentration of acid and base sites is required to maximize isobutene yields.