Acetaldehyde oxime
Agent Name
Acetaldehyde oxime
CAS Number
107-29-9
Formula
C2-H5-N-O
Major Category
Nitrogen Compounds
Synonyms
Acetaldoxime; Aldoxime; Ethanal oxime; Ethylidenehydroxylamine; Hydroiminoethane; [ChemIDplus] UN2332
Category
Oximes
Description
Two crystalline modifications, alpha and beta; [Merck Index] Colorless liquid with a pungent odor; Two crystalline modifications with mp = 12 and 46.5 deg C; [CAMEO] Liquid; [IUCLID]
Sources/Uses
Used as an intermediate in chemical synthesis; [HSDB]
Comments
Emergency treatment: Irritants; [HSDB] May form explosive peroxides with air; [CAMEO] Not irritating or sensitizing to guinea pig skin; Expected to induce methemoglobinemia based on studies of related oximes; Likely inhibits acetaldehyde dehydrogenase in the liver; No evidence of mutagenicity; [IUCLID] May form explosive mixtures with air; An irritant; [Alfa Aesar MSDS]
Biomedical References
Exposure Assessment
Vapor Pressure
7.71 mm Hg
Odor Threshold Low
1 ppm
Lethal Concentration
LC50 (rat) = 8,800 mg/m3/4hr
Explanatory Notes
Flash point < 22 deg C; [HSDB] Odor threshold from IUCLID; VP from ChemIDplus;
Adverse Effects
Methemoglobinemia
MetHgb is secondary toxic effect
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.