Back to Search

Diphenhydramine Hydrochloride

CAS: 147-24-0 | C17H22ClNO

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 147-24-0
Molecular Formula: C17H22ClNO
Molecular Mass: 291.82 g/mol

Names and Synonyms:

Diphenhydramine Hydrochloride
Ethanamine, 2-(diphenylmethoxy)-N,N-dimethyl-, hydrochloride (1:1)
Ethylamine, 2-(diphenylmethoxy)-N,N-dimethyl-, hydrochloride
Ethanamine, 2-(diphenylmethoxy)-N,N-dimethyl-, hydrochloride
Bena
Benadryl
Benzhydramine hydrochloride
2-(Benzhydryloxy)-N,N-dimethylethylamine hydrochloride
β-Dimethylaminoethyl benzhydryl ether hydrochloride
Diphenhydramine hydrochloride
2-Diphenylmethoxy-N,N-dimethylethylamine hydrochloride
Difenhydramine hydrochloride
Denydryl
Dimedrol
Dimedrol hydrochloride
Allergan
Allergival
Benadril hydrochloride
Restamin
Vena
Resmin
Benzhydrol β-dimethylaminoethyl ether hydrochloride
Halbmond
Benocten
Sekundal D
Allergina
Noctomin
Bagodryl
Bena-Fedrin
Amidryl
Alledryl
Fenylhist
Bax
Dibondrin
S 8
Wehydryl
Benylin
Syntedril
Sedopretten
Diphantine
Benodine
Histacyl
Benzantin
Asdrin
Benison
Theraflu
Dimedrolum
Psilo-Balsam
[2-(Diphenylmethoxy)ethyl]dimethylamine hydrochloride

Identifiers:

SMILES:

CN(C)CCOC(c1ccccc1)c1ccccc1.Cl
InChI:
InChI=1S/C17H21NO.ClH/c1-18(2)13-14-19-17(15-9-5-3-6-10-15)16-11-7-4-8-12-16;/h3-12,17H,13-14H2,1-2H3;1H

Key Properties

Boiling Point
163-167 °C @ Press: 3 Torr CAS Common Chemistry
Melting Point
166-170 °C CAS Common Chemistry

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 291.82 g/mol CAS Common Chemistry
291.822 g/mol RDKit
291.138992004 g/mol RDKit
Boiling Point 163-167 °C @ Press: 3 Torr CAS Common Chemistry
Canonical SMILES Cl.O(CCN(C)C)C(C=1C=CC=CC1)C=2C=CC=CC2 CAS Common Chemistry
InChI InChI=1S/C17H21NO.ClH/c1-18(2)13-14-19-17(15-9-5-3-6-10-15)16-11-7-4-8-12-16;/h3-12,17H,13-14H2,1-2H3;1H CAS Common Chemistry
InChI Key InChIKey=PCHPORCSPXIHLZ-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 166-170 °C CAS Common Chemistry
Name Diphenhydramine hydrochloride CAS Common Chemistry
Heavy Atom Count 20 RDKit
Hydrogen Bond Acceptors 2 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 6 RDKit
Aromatic Ring Count 2 RDKit
Topological Polar Surface Area 12.47 Ų RDKit
LogP 3.776000000000004 RDKit
Molar Refractivity 86.48100000000005 RDKit

Recent Searches

Acetone
Ethanol
Navigate
esc Close