Chloroacetaldehyde
Agent Name
Chloroacetaldehyde
Alternative Name
2-Chloroethanal
CAS Number
107-20-0
Formula
C2-H3-Cl-O
Major Category
Toxic Gases & Vapors
Synonyms
2-Chloro-1-ethanal; 2-Chloroacetaldehyde; 2-Chloroethanal; Acetaldehyde, chloro-; Chloroacetaldehyde; Chloroacetaldehyde monomer; Chloroaldehyde; Chloroethanal; Monochloroacetaldehyde; [ChemIDplus] UN2232
Category
Other Toxic Gases & Vapors
Description
Colorless liquid with an acrid, penetrating odor; Note: Typically found as a 40% aqueous solution; [NIOSH]
Sources/Uses
Used to manufacture other organic chemicals; also used as a fungicide and debarking agent; [ACGIH]
Comments
Liquid causes second or third degree burns after short contact; [CHRIS] Exposed subjects complain of mucous membrane irritation, tearing, coughing, and choking; [ACGIH] Can cause pulmonary edema after heavy inhalation exposure; [ICSC]
Biomedical References
Exposure Assessment
Skin Designation (ACGIH)
Insufficient data
TIH
Yes
Ceiling (ACGIH)
1 ppm
PEL (OSHA)
Ceiling(OSHA) = 1 ppm
IDLH (NIOSH)
45 ppm
Excerpts from Documentation for IDLHs
Human data: Volunteers found 45 ppm to be very disagreeable and conjunctival irritation was observed [Dow 1962].
Vapor Pressure
64.3 mm Hg
Lethal Concentration
LC50 (rat) = 650 mg/m3/1H
Explanatory Notes
Flash point = 87 deg C; VP from HSDB;
Reference Link #2
Adverse Effects
Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent:
Processes
Industrial Processes with risk of exposure: