U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 21 - 30 of 60 results

Status:
Other

Class (Stereo):
CHEMICAL (ACHIRAL)

Status:
Other

Class (Stereo):
CHEMICAL (ACHIRAL)


Conditions:

4-methylimidazole (4-MEI) is a chemical compound that is not directly added to food; rather it is formed as a byproduct in some foods and beverages during the normal cooking process. For example, 4-MEI may form when coffee beans are roasted and when meats are roasted or grilled. 4-MEI also forms as a trace impurity during the manufacturing of certain types of caramel coloring (known as Class III and Class IV caramel coloring) that are used to color cola-type beverages and other foods. In recent years, evidence for the carcinogenicity of 4-MEI has raised concerns about uses of caramel color type III and IV that may expose consumers to 4-MEI and increase cancer risk.
Status:
Other

Class (Stereo):
CHEMICAL (ACHIRAL)

Status:
Other

Class (Stereo):
CHEMICAL (ACHIRAL)

Status:
US Approved Allergenic Extract (1994)

Class (Stereo):
CHEMICAL (ACHIRAL)

Ethylenediamine is a strongly basic amine useful as a building block in chemical synthesis. It is used as a solvent to dissolve proteins such as albumins, casein and in medicine to stabilize aminophylline when used in injections. Ethylenediamine is used in manufacture of chelating agents (EDTA), epoxy curing agents, dimethylolethylene-urea resins, emulsifying agents, textile lubricants, antifreeze inhibitor. It is also involved in the manufacture of many industrial chemicals and forms derivatives with carboxylic acids, nitriles, alcohols, alkylating agents, carbon disulfide, aldehydes and ketones. It is a basic building block to prepare heterocyclic compound such as imidazolidines.

Showing 21 - 30 of 60 results