ACETAMINOPHEN IMPURITY B Chemical Properties

Melting point:

170-172°C

Boiling point:

389.9±25.0 °C(Predicted)

Density 

1.201

storage temp. 

Sealed in dry,Room Temperature

solubility 

Acetonitrile (Slightly), DMSO (Slightly), Methanol (Slightly)

form 

Solid

pka

10.11±0.26(Predicted)

color 

White to Pale Purple

CAS DataBase Reference

1693-37-4

Safety Information

Hazard Codes 

Xi

HazardClass 

IRRITANT

HS Code 

29242990

ACETAMINOPHEN IMPURITY B Usage And Synthesis

Chemical Properties

Pale Purple Solid

Uses

An Acetaminophen (A161220) impurity.

Uses

4-Propionamidophenol (Acetaminophen Impurity B) is an impurity of Acetaminophen (A161220) (1). Acetaminophen is an analgesic and antipyretic agent and used as a pain reliever to treat headache, muscle aches, and arthritis (2,3).

ACETAMINOPHEN IMPURITY B(1693-37-4)Related Product Information

• ACETAMINOPHEN IMPURITY J
• 2-Acetamidophenol
• 4,4'-Iminodiphenol hydrochloride
• 4-[1-(hydroxyamino)ethylidene]cyclohexa-2,5-dien-1-one
• 4'-Hydroxyacetophenone
• 3-CHLORO-4-HYDROXYACETANILIDE
• 2'-Hydroxyacetophenone
• 4-Acetoxyacetanilide
• N,N'-(OXYDI-4,1-PHENYLENE)BISACETAMIDE
• Acetanilide
• Acetoacet-p-phenetidide
• BRUCINE SULFATE
• ACETAMINOPHEN IMPURITY K
• ACETAMINOPHEN IMPURITY F
• 3-HYDROXY-P-BUTYROPHENETIDINE
• 10,11-Dimethoxystrychnine
• 4'-Methoxyacetoacetanilide
• Propionamide
• Acetaminophen Related Compound B