Diphenhydramine
Properties
- Molecular formula
- C17H21NO
- Molar mass
- 255.36 g/mol
- Exact mass
- 255.1623 Da
- Melting point
- 168 °C
- Boiling point
- 150–165 °C (at 2 Torr)
- pKa
- 8.98
- logP
- 3.35Crippen estimate
- Polar surface area
- 12.5 Ų
- H-bond donors / acceptors
- 0 / 2
- Rotatable bonds
- 6
Hazards
Warning
- H302 Harmful if swallowed100% of notifiers
- H315 Causes skin irritation66.7% of notifiers
- H319 Causes serious eye irritation66.7% of notifiers
Aggregated from 6 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P264, P264+P265, P270, P280, P301+P317, P302+P352, P305+P351+P338, P321, P330, P332+P317, P337+P317, P362+P364, P501
Identifiers
CAS number
58-73-1SMILES
CN(C)CCOC(c1ccccc1)c1ccccc1InChIKey
ZZVUWRFHKOJYTH-UHFFFAOYSA-NInChI
InChI=1S/C17H21NO/c1-18(2)13-14-19-17(15-9-5-3-6-10-15)16-11-7-4-8-12-16/h3-12,17H,13-14H2,1-2H3Weigh it out
Type any one amount. The others follow from the molar mass.
Names and synonyms
19 names · show all
- Ethanamine, 2-(diphenylmethoxy)-N,N-dimethyl-
- Ethylamine, 2-(diphenylmethoxy)-N,N-dimethyl-
- 2-(Diphenylmethoxy)-N,N-dimethylethanamine
- O-Benzhydryldimethylaminoethanol
- 2-(Benzhydryloxy)-N,N-dimethylethylamine
- β-Dimethylaminoethanol diphenylmethyl ether
- α-(2-Dimethylaminoethoxy)diphenylmethane
- β-Dimethylaminoethylbenzhydrylether
- 2-(Diphenylmethoxy)-N,N-dimethylethylamine
- Probedryl
- N-[2-(Diphenylmethoxy)ethyl]-N,N-dimethylamine
- Benzhydramine
- DPH
- Dimedrol base
- FAR 90X2
- NSC 665800
- N,N-Dimethyl-2-(diphenylmethoxy)ethylamine
- 2-Benzhydryloxy-N,N-dimethylethanamine
- 2-(Benzhydryloxy)-N,N-dimethylethanamine
Work with Diphenhydramine
Stereoisomers, salts and isotopologues
The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.
Similar compounds
Orphenadrine hydrochloride341-69-570 % similar
Nefopam13669-70-054 % similar
(±)-Nefopam hydrochloride23327-57-350 % similar
Cloperastine3703-76-250 % similar
Orphenadrine citrate4682-36-449 % similar
Dimenhydrinate523-87-548 % similar
Cloperastine hydrochloride14984-68-047 % similar
(±)-Pheniramine86-21-545 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds