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Diphenhydramine

CAS Registry Number®

58-73-1

CAS Name

Diphenhydramine

Molecular Formula

C17H21NO

Molecular Mass

255.35

Cite this Page

Diphenhydramine.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=58-73-1 (retrieved 2024-11-24) (CAS RN: 58-73-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    150-165 °C @ Press: 2.0 Torr

  • Melting Point (2)

    168 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
  • (2) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Other Names and Identifiers

InChI

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,13-14H2,1-2H3

InChIKey

InChIKey=ZZVUWRFHKOJYTH-UHFFFAOYSA-N

SMILES

C(OCCN(C)C)(C1=CC=CC=C1)C2=CC=CC=C2

Canonical SMILES

O(CCN(C)C)C(C=1C=CC=CC1)C=2C=CC=CC2

Other Names for this Substance

  • Ethanamine, 2-(diphenylmethoxy)-N,N-dimethyl-
  • Ethylamine, 2-(diphenylmethoxy)-N,N-dimethyl-
  • 2-(Diphenylmethoxy)-N,N-dimethylethanamine
  • O-Benzhydryldimethylaminoethanol
  • 2-(Benzhydryloxy)-N,N-dimethylethylamine

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Deleted or Replaced CAS Registry Numbers

2226543-89-9

CAS INSIGHTSTM
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