For citations & permissions, please see: Citations & Permissions - Wiley Science Solutions*

*Links on SpectraBase are not permalinks.
2,4-Diaminophenol dihydrochloride
SpectraBase Compound ID Ifdis7sBHwQ
InChI InChI=1S/C6H8N2O.2ClH/c7-4-1-2-6(9)5(8)3-4;;/h1-3,9H,7-8H2;2*1H
InChIKey KQEIJFWAXDQUPR-UHFFFAOYSA-N
Mol Weight 195.05 g/mol
Molecular Formula C6H8Cl2N2O
Exact Mass 194.001368 g/mol
Parent InChIKey XIWMTQIUUWJNRP-UHFFFAOYSA-N
Copyright Copyright © 1989, 1990-2025 Wiley-VCH GmbH. All Rights Reserved.
Source of Sample E. Merck AG, Darmstadt
Technique KBr-Pellet
Copyright Copyright © 1980, 1981-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample The Matheson Company, Inc., East Rutherford, New Jersey
Technique KBr WAFER
Copyright Copyright © 2018-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 230103
Technique Mull
Copyright Copyright © 2002-2025 Wiley-VCH GmbH. All Rights Reserved.
Source of Spectrum Chemical Concepts, A Wiley Division, Weinheim, Germany
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Copyright Copyright © 1980, 1981-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample E. Merck AG, Darmstadt, Germany
Solvent Deuterium oxide; Reference=Dioxane Spectrometer= Varian CFT-20
Copyright Copyright © 2021-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Co. LLC.
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 230103
Solvent D2O
Copyright Copyright © 2024-2025 John Wiley & Sons, Inc. All Rights Reserved.
Copyright Copyright © 2017-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2017-2025 John Wiley & Sons, Inc. All Rights Reserved.
Catalog Number 230103
Copyright Copyright © 2018-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich
Catalog Number 230103
Copyright Copyright © 2021-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Co. LLC.
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 230103
Solvent D2O
  • Phenol, 2,4-diamino-, dihydrochloride
  • Benzene, 1,3-diamino-4-hydroxy-, dihydrochloride
  • 4-HYDROXY-m-PHENYLENEDIAMMONIUM DICHLORIDE
  • 'Amidol'
  • 2,4-bis(azanyl)phenol
  • dihydrochloride

This compound is available in the following databases:

KnowItAll IR Spectral Library

Author: Wiley

Wiley's KnowItAll IR Spectral Library offers access to the world's largest collection of high-quality infrared spectra, including the renowned Sadtler databases. Learn more.

KnowItAll Raman Spectral Library

Author: Wiley

Wiley's KnowItAll Raman Spectral Library offers access to the world's largest collection of high-quality Raman spectra, including the renowned Sadtler databases. Learn more.

Sigma-Aldrich Library of Raman Spectra

Author: Wiley/Sigma-Aldrich

Wiley, on behalf of Merck KGaA Darmstadt, Germany, releases the Sigma-Aldrich Library of Raman Spectra, featuring over 6,480 high-quality Raman spectra. Learn more.

Sigma-Aldrich Library of ATR-IR Spectra

Author: Sigma Aldrich

The Sigma-Aldrich Library of ATR-IR Spectra is a comprehensive collection of ATR-IR spectra sourced from the laboratories of Sigma-Aldrich by Merck KGaA Darmstadt, Germany. Learn more.

Sigma-Aldrich Library of FT-IR Spectra

Author: Sigma Aldrich

The Sigma-Aldrich Library of FT-IR Spectra is a comprehensive collection of FT-IR spectra sourced from the laboratories of Sigma-Aldrich by Merck KGaA Darmstadt, Germany. Learn more.

Sigma Aldrich NMR Library

Author: Sigma Aldrich

The Sigma-Aldrich Library of NMR Spectra is a comprehensive collection of NMR spectra for organic compounds sourced from the laboratories of Sigma-Aldrich by Merck KGaA Darmstadt, Germany. Learn more.

KnowItAll GC-MS Library

Author: Wiley

The KnowItAll Mass Spectral Library offers a comprehensive collection of mass spectra, including the renowned Wiley Registry, and access to a wide range of compounds including pure organics, drugs, steroids, additives, geochemicals, petrochemicals, biomarkers, and more. Learn more.

Wiley Registry of Mass Spectral Data 2026

Author: Wiley

The foundation library for any analytical laboratory running mass spectrometry, the Wiley Registry provides the broadest coverage available in any mass spectral library Learn more.

Unknown Identification

Search your unknown spectrum against the world's largest collection of reference spectra

KnowItAll Campus Solutions

KnowItAll offers faculty and students at your school access to all the tools you need for spectral analysis and structure drawing & publishing! Plus, access the world's largest spectral library.