Safety data for 4-acetamidophenol
Glossary of terms on this data sheet.

The information on this web page is provided to help you to work safely, but it is intended to be an overview of hazards, not a replacement for a full Material Safety Data Sheet (MSDS). MSDS forms can be downloaded from the web sites of many chemical suppliers.
Synonyms: abensanil, acamol, acetagesic, alpinyl, alvedon, anaflon, anelix, anhiba, calpol, datril, dirox, doliprane, dymadon, enelfa, eneril, exdol, febrilix, febrolin, fendon, finimal, hedex, homoolan, lonarid, lyteca syrup, multin, panadol, phendon, tylenol, valdol, valgesic, N-(p-hydroxyphenyl)acetamide, acetaminophen, naprinol, 4-hydroxyacetanilide, paracetamol, numerous further trade names
Use: Analgesic and antipyretic

Molecular formula: C8H9NO2
CAS No: 103-90-2
EINECS No: 203-157-5

Physical data
Appearance: white crystalline powder
Melting point: 169 – 172 C
Boiling point:
Vapour density:
Vapour pressure:
Density (g cm-3): 1.29
Flash point:
Explosion limits:
Autoignition temperature:
Water solubility: slight

Stable. Combustible. Incompatible with strong oxidizing agents. Light sensitive. Reacts with aspirin.

Harmful if swallowed. Skin, eye and respiratory irritant. Human mutagen.

Toxicity data
(The meaning of any abbreviations which appear in this section is given here.)
ORL-MAN LDLO 714 mg kg-1
ORL-HMN LDLO 143 mg kg-1
ORL-RAT LD50 1944 mg kg-1
IPR-RAT LD50 1205 mg kg-1
SCU-MUS LD50 310 mg kg-1
IPR-MUS LD50 367 mg kg-1

Risk phrases
(The meaning of any risk phrases which appear in this section is given here.)
R22 R36 R37 R38.

Transport information
(The meaning of any UN hazard codes which appear in this section is given here.)
Hazard class: 6.1. Packing group: III

Personal protection
Minimize contact.

Safety phrases
(The meaning of any safety phrases which appear in this section is given here.)
S26 S36.

[Return to Physical & Theoretical Chemistry Lab. Safety home page.]


This information was last updated on August 21, 2005. We have tried to make it as accurate and useful as possible, but can take no responsibility for its use, misuse, or accuracy. We have not verified this information, and cannot guarantee that it is up-to-date.

Note also that the information on the PTCL Safety web site, where this page was hosted, has been copied onto many other sites, often without permission. If you have any doubts about the veracity of the information that you are viewing, or have any queries, please check the URL that your web browser displays for this page. If the URL begins or page is maintained by the Safety Officer in Physical Chemistry at Oxford University. If not, this page is a copy made by some other person and we have no responsibility for it.



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