General

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

Stability

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

Toxicology

Harmful if swallowed. Skin, eye and respiratory irritant. Experimental carcinogen and tumorigen. 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.