p-Phenetidine

Agent Name
p-Phenetidine
CAS Number
156-43-4
Formula
C8-H11-N-O
Major Category
Nitrogen Compounds
p-Phenetidine formula graphical representation
Synonyms
Ethyl p-aminophenol; Phenetidine; 1-Amino-4-ethoxybenzene; 4-Aminoethoxybenzene; 4-Aminophenetole; 4-Ethoxyaniline; 4-Ethoxybenzenamine; Aniline, p-ethoxy-; CP 5685; p-Aminofenetol [Czech]; p-Aminophenetole; p-Ethoxyaniline; p-Fenetidin [Czech]; p-Phenetidin; Benzenamine, 4-ethoxy-; [ChemIDplus] p-Aminophenyl ethyl ether; [Merck Index] 4-Amino-1-ethoxy benzene; [ICSC] 4-Ethoxyphenylamine; para-Aminoethoxybenzene; para-Phenetidine; 4-Phenetidine; [CAMEO] 1-AMINO-4-ETHOXYBENZOL; 4-AMINO-1-ETHOXYBENZOL; 4-AMINOPHENOLETHYLETHER; 4-AMINOPHENYLETHYLETHER; 4-ETHOXYANILIN; 4-PHENETIDIN; P-AMINOPHENETOL; [IUCLID] UN2311
Category
Amines, Aromatic
Description
Colorless liquid; Turns red to brown on air and light exposure; [Merck Index] Brown liquid with an unpleasant odor; [Alfa Aesar MSDS]
Sources/Uses
Used to make acetophenetidine, phenocoll, dulcin, and dyes; [Merck Index] Used to make fine chemicals; [ExPub: ECHA REACH Registrations]
Comments
An eye irritant; May induce methemoglobinemia; [ICSC] Causes methemoglobinemia in repeated-dose oral studies of rats; [RTECS] Toxic by ingestion, inhalation, and skin absorption; May cause contact irritation, cyanosis, hypothermia, headache, drowsiness, vomiting, nephritis, and alimentary tract irritation; [NTP] Case report of methemoglobinemia from occupational exposure; Sensitizing in 2 of 3 maximization tests of guinea pigs; Not a lung sensitizer in guinea pigs; Some evidence of skin sensitization in humans; [IUCLID] A strong eye irritant; May cause skin sensitization; Harmful by ingestion, inhalation, and skin absorption; Suspected mutagen; [Alfa Aesar MSDS] See "m-Phenetidine." See "p-Anisidine."
Biomedical References

Exposure Assessment

Vapor Pressure
0.0105 mm Hg
Lethal Concentration
LCLo (rat) = 487 mg/m3/4hr
Explanatory Notes
LC50 (rat) = 3,530 mg/m3/4hr; [IUCLID] The Guide in the Emergency Response Guidebook is for "Phenetidines."
NFPA
must be preheated

Adverse Effects

Skin Sensitizer
Yes
Methemoglobinemia
MetHgb is secondary toxic effect

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent: