Toxicity data
Risk phrases
Safety phrases
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This information was last updated on April 8, 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. General
Synonyms: 2-(benzhydryloxy)-N,N-dimethylethylamine hydrochloride,
2-diphenylmethoxy-N,N-dimethylethylamine hydrochloride,
benadryl, benzehist, dabylen, dimedrol, dolestan, eldadryl, felben,
fenylhist, halbmond, rohydra, valdrene, wehydryl, allergan, allergival,
denydryl, resmin, restamin, vena, further systematic and non-systematic names
Use: antihistamine, sedative, treatment of allergic
conjunctivitus, various further medical uses
Molecular formula: C17N21NO.HCl
CAS No: 147-24-0
EINECS No:
Physical data
Appearance: white crystalline powder
Melting point: 166 - 169 C
Boiling point:
Vapour density:
Vapour pressure:
Density (g cm-3):
Flash point:
Explosion limits:
Autoignition temperature:
Water solubility: substantial
Stability
Stable, but slowly darkens upon exposure to light. Incompatible with
strong oxidizing agents.
Toxicology
Poison. Harmful if swallowed, inhaled or absorbed through the skin.
Suspected carcinogen. Experimental teratogen. May be a reproductive hazard.
(The meaning of any toxicological abbreviations which
appear in this section is given
here.)
ORL-RAT LD50 500 mg kg-1
IVN-RAT LD50 35 mg kg-1
ORL-MUS LD50 114 mg kg-1
IPR-MAM LD50 80 mg kg-1
SKN-CHD TDLO 80 mg/kg/6h-i
(The meaning of any risk phrases which appear in this section is
given
here.)
R20 R21 R22 R40.
Transport information
(The meaning of any UN hazard codes which appear in this section
is given
here.)
Personal protection
Safety glasses. Minimize contact.
(The meaning of any safety phrases which appear in this section
is given here.)