2,4-DIAMINOPHENOL

Details

Stereochemistry	ACHIRAL
Molecular Formula	C6H8N2O
Molecular Weight	124.1405
Optical Activity	NONE
Defined Stereocenters	0 / 0
E/Z Centers	0
Charge	0

SHOW SMILES / InChI

Structure Search

SMILES

NC1=CC=C(O)C(N)=C1

InChI

InChIKey=XIWMTQIUUWJNRP-UHFFFAOYSA-N

InChI=1S/C6H8N2O/c7-4-1-2-6(9)5(8)3-4/h1-3,9H,7-8H2

HIDE SMILES / InChI

Molecular Formula	C6H8N2O
Molecular Weight	124.1405
Charge	0
Count

Stereochemistry	ACHIRAL
Additional Stereochemistry	No
Defined Stereocenters	0 / 0
E/Z Centers	0
Optical Activity	NONE

Description
Sources: https://www.ncbi.nlm.nih.gov/pubmed/12621517 | https://cosmeticsinfo.org/ingredient/24-diaminophenol | https://journals.sagepub.com/doi/abs/10.3109/10915819409140610?journalCode=ijta

2,4-Diaminophenol dihydrochloride is used in the manufacture of dyes and as a color accelerator in photographic developers. 2,4-Diaminophenol is an ingredient of hair dyes and colors. 2,4-Diaminophenol and 2,4-Diaminophenol Dihydrochloride are considered safe for use in hair dyes at concentrations up to 0.2% (as the free base). 2,4-Diaminophenol Dihydrochloride is approved for use in Japan in cosmetic.

Approval Year

PubMed

Title	Date	PubMed
LC-MS-MS analysis of 2,4-dinitrophenol and its phase I and II metabolites in a case of fatal poisoning.	2007-03-29	17389084
Patch testing with the irritant sodium lauryl sulfate (SLS) is useful in interpreting weak reactions to contact allergens as allergic or irritant.	2003-02	12694214
Surfactant-assisted UV-photolysis of nitroarenes.	2002-01	11838434
Simple, rapid reagent-injection spectrophotometric determination of fluorides in pharmaceutical formulations.	2001-07	11377081

Patents

Sample Use Guides

In Vivo Use Guide

Groups of five rats of each sex received doses of 0, 6, 13, 25, 50, or 100 mg/kg and groups of five mice of each sex received doses of 0, 13, 25, 50, 100, or 200 mg/kg of 2,4-diaminophenol dihydrochloride in corn oil by gavage.

Route of Administration: Oral

Substance Class	Chemical Created by `admin` on `Mon Mar 31 20:38:37 GMT 2025` Edited by `admin` on `Mon Mar 31 20:38:37 GMT 2025`
Record UNII	H691WBT7OS
Record Status	`Validated (UNII)`
Record Version

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Name

Type

Language

NSC-5727

Preferred Name

English

2,4-DIAMINOPHENOL

Official Name

English

PHENOL, 2,4-DIAMINO-

Systematic Name

English

2,4-DIAMINOPHENOL [MI]

Common Name

English

4-HYDROXY-1,3-BENZENEDIAMINE

Systematic Name

English

Code System Code Type Description

ECHA (EC/EINECS)

202-459-4