73793-80-3

Usage

Uses

Used in Pharmaceutical and Agrochemical Industries:
2,5-diaminobenzyl alcohol is used as a key intermediate in the synthesis of various pharmaceutical and agrochemical products. Its unique structure allows it to be a building block for the development of new drugs and pesticides, enhancing the range of treatments and protections available.
Used in Dyes and Pigments Production:
In the dye and pigment industry, 2,5-diaminobenzyl alcohol is utilized as a starting material for the production of a variety of dyes and pigments. Its chemical composition contributes to the color and stability of these products, making it an important component in this sector.
Used in Medicinal Chemistry Research:
2,5-diaminobenzyl alcohol is studied for its potential antioxidant, antimicrobial, and anti-inflammatory properties. These attributes make it a promising candidate for further research and development in medicinal chemistry, potentially leading to new therapeutic agents and treatments.
Safety Note:
It is crucial to handle 2,5-diaminobenzyl alcohol with care, as it can be toxic and harmful if not properly managed. Adequate safety measures should be taken during its storage, use, and disposal to minimize risks to human health and the environment.

InChI:InChI=1/C7H10N2O/c8-6-1-2-7(9)5(3-6)4-10/h1-3,10H,4,8-9H2

Upstream product

• 77242-30-9 (2-amino-5-nitrophenyl)methanol 
• 77376-03-5 (5-amino-2-nitro-phenyl)-methanol 
• 5344-90-1 2-Aminobenzyl alcohol 
• 123306-28-5 N-(3-formylphenyl)acetamide 
• 83326-80-1 N-acetyl-O-acetyl-2-aminobenzyl alcohol 
• 123306-29-6 acetic acid 5-acetylamino-2-nitro-benzyl ester 

Downstream Products

• 337906-36-2 2-(methoxymethyl)-p-phenylenediamine 

Relevant academic research and scientific papers

New Telescoping Synthesis Of 2- Methoxymethyl-P-Phenylenediamine

A telescoping process for the preparation of 2-methoxymethyl-p-phenylenediamine, a cosmetically acceptable salt thereof, or mixture thereof. The process according to the present invention is a particularly cost effective process in that it avoids sophisticated chemical steps which requires special equipment or expensive catalysts and in that it comprises a recycling step of one of the starting materials, namely 2-hydroxymethylaniline.

1,3-Dihydroxybenzene derivatives and colorants containing said compounds

1,3-Dihydroxybenzene derivatives of general formula (I) or (Ia) or physiologically tolerated, water-soluble thereof wherein R′1 denotes substituted pyridyl group, a pyrimidyl group, a group of formula (IIa) or (IIIa) and the dyeing agents for keratin fibers containing these compounds.

Process for dyeing keratinous fibers with aminoindoles and oxidation dye precursors at basic Ph's and dyeing agents

The invention relates to a process for dyeing keratinous fibres, which consists in applying to these fibres a composition containing, in a suitable medium for dyeing, at least one coupler of formula: STR1 where R1 denotes hydrogen or alkyl, R2 and R3 denote hydrogen, alkyl, COOR' where R' is alkyl or hydrogen, at least one of the groups R2 and R3 denoting hydrogen, R4 denotes hydrogen, alkyl, hydroxyalkyl, polyhydroxyalkyl or aminoalkyl, Z1 and Z2 denote hydrogen, alkyl, hydroxyl, halogen, alkoxy, at least one of the groups Z1 and Z2 is other than hydrogen at least one oxidation dye precursor, at least one oxidizing agent, the pH of the composition applied to the fibres being higher than 7.

Methods for dyeing keratinous fibers with compositions which contain aminoindole couplers, oxidation dye precursors, and oxidizing agents at acid pHs

A method for dyeing keratin fibers, wherein a composition is applied to said fibers which contains, in a suitable dyeing medium, at least one coupler having formula (I) STR1 wherein R1 is hydrogen or alkyl; R2 and R3 are hydrogen, alkyl, COOR', where R' is alkyl or hydrogen; R4 is hydrogen, hydroxyalkyl, alkyl, polyhydroxyalkyl or acetyl or aminoalkyl wherein the amine may be mono- or disubstituted by alkyl; Z1 and Z2 are hydrogen, alkyl, hydroxy, halogen, alkoxy or a salt thereof; at least one precursor of an oxidation hair dye; and at least one oxidizing agent, the pH of the composition applied to the fibers being less than 7.

3-substituted para-aminophenols

The invention concerns the use of a 3-substituted para-aminophenol as an oxidation dye precursor for dyeing keratinous fibres, in particular human hair. The 3-substituted para-aminophenol has formula: STR1 where R1 represents alkyl, alkenyl, mono- or polyhydroxyalkyl, nitrile, cyanoalkyl, halogenoalkyl, aminoalkyl or alkoxyalkyl and R2 represents hydrogen, alkyl or mono- or polyhydroxyalkyl, provided that when R2 is hydrogen R1 is not methyl or trifluoromethyl, and to addition salts thereof with an acid. The invention also concerns dye compositions containing compound (I). The invention further concerns novel 3-substituted para-aminophenols.

Oxidation dye composition for keratinous fibres comprising a para-aminophenol, 2-methyl-5-aminophenol and a para-phenylenediamine and/or a bis(phenylalkylenediamine)

The invention relates to a dyeing composition for keratinous fibres and in particular for human keratinous fibres such as hair, comprising, in a suitable medium for dyeing, at least one oxidation dye precursor chosen from 3-methyl -para-aminophenol, 2-methyl-para-aminophenol and 2-hydroxymethyl-para-aminophenol, and their addition salts with an acid, as coupling agent, at least 2-methyl-5-aminophenol, or one of its addition salts with an acid; and at least one para-phenylenediamine and/or one bis-(phenylalkylenediamine) or one of their addition salts with an acid as oxidation dye precursor.

Oxidation dye composition for keratinous fibres comprising a para-aminophenol, a meta-aminophenol and a para-phenylenediamine and/or a bis(phenylalkylenediamine)

The invention relates to a dyeing composition for keratinous fibres and in particular for human keratinous fibres such as hair, comprising, in a suitable media for dyeing, at least one oxidation dye precursor chosen from 3-methyl-para-aminophenol, 2-methyl-para-aminophenol and 2-hydroxymethyl-para-aminophenol, and their addition salts with an acid; at least one coupling agent chosen from the 2-methyl-5-aminophenols of formula (I): STR1 in which R is methyl, ethyl, β-hydroxyethyl or γ-hydroxypropyl, and their addition salts with an acid; and at least one para-phenylenediamine and/or one bis(phenylalkylenediamine) or one of their addition salts with an acid as oxidation dye precursor.