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Final report on the safety assessment of amino nitrophenols as used in hair dyes.
Burnett CL, Bergfeld WF, Belsito DV, Klaassen CD, Marks JG Jr, Shank RC, Slaga TJ, Snyder PW, Alan Andersen F. Burnett CL, et al. Int J Toxicol. 2009 Nov-Dec;28(6 Suppl 2):217S-51S. doi: 10.1177/1091581809354651. Int J Toxicol. 2009. PMID: 20086194 Review.
2-Amino-3-nitrophenol, 2-amino-4-nitrophenol, 2-amino-5-nitrophenol, 4-amino-3-nitrophenol, 4-amino-2-nitrophenol, 2-amino-4-nitrophenol sulfate, 3-nitro-p-hydroxyethylaminophenol, and 4-hydroxypropylamino-3-nitrophenol are substituted ar …
2-Amino-3-nitrophenol, 2-amino-4-nitrophenol, 2-amino-5-nitrophenol, 4-amino-3-nitrophenol, 4-amino-2-nitropheno …
Recent advances in degradation of chloronitrophenols.
Arora PK, Srivastava A, Garg SK, Singh VP. Arora PK, et al. Bioresour Technol. 2018 Feb;250:902-909. doi: 10.1016/j.biortech.2017.12.007. Epub 2017 Dec 6. Bioresour Technol. 2018. PMID: 29229201 Review.
Examples include 2-chloro-4-nitrophenol, 4-chloro-2-nitrophenol, 2-chloro-5-nitrophenol, 4-chloro-3-nitrophenol and 2,6-dichloro-4-nitrophenol. Several methods including advanced oxidation processes, adsorption and bacterial degradation have been used for degradatio …
Examples include 2-chloro-4-nitrophenol, 4-chloro-2-nitrophenol, 2-chloro-5-nitrophenol, 4-chloro-3-nitrophenol and 2,6-dichlo …
Analytical Method Development and Dermal Absorption of 4-Amino-3-Nitrophenol (4A3NP), a Hair Dye Ingredient under the Oxidative or Non-Oxidative Condition.
Kim HY, Kim YJ, Lee JD, Kim HR, Seo DW. Kim HY, et al. Toxics. 2024 May 7;12(5):340. doi: 10.3390/toxics12050340. Toxics. 2024. PMID: 38787119 Free PMC article.
The chemical 4-amino-3-nitrophenol (4A3NP) is classified as an amino nitrophenol and is primarily utilized as an ingredient in hair dye colorants. ...
The chemical 4-amino-3-nitrophenol (4A3NP) is classified as an amino nitrophenol and is primarily utilized as an ingredient in …
Vibrational, DFT, thermal and dielectric studies on 3-nitrophenol-1,3,5-triazine-2,4,6-triamine (2/1).
Sangeetha V, Govindarajan M, Kanagathara N, Marchewka MK, Gunasekaran S, Anbalagan G. Sangeetha V, et al. Spectrochim Acta A Mol Biomol Spectrosc. 2014 Jan 24;118:1025-37. doi: 10.1016/j.saa.2013.09.097. Epub 2013 Oct 8. Spectrochim Acta A Mol Biomol Spectrosc. 2014. PMID: 24161865
A new organic-organic salt, 3-nitrophenol-1,3,5-triazine-2,4,6-triamine (2/1) (3-NPM) has been synthesized by slow evaporation technique at room temperature. ...
A new organic-organic salt, 3-nitrophenol-1,3,5-triazine-2,4,6-triamine (2/1) (3-NPM) has been synthesized by slow evaporation …
Phenol-promoted structural transformation of insulin in solution.
Wollmer A, Rannefeld B, Johansen BR, Hejnaes KR, Balschmidt P, Hansen FB. Wollmer A, et al. Biol Chem Hoppe Seyler. 1987 Aug;368(8):903-11. doi: 10.1515/bchm3.1987.368.2.903. Biol Chem Hoppe Seyler. 1987. PMID: 3311071
Crystals grown in the presence of m-cresol, however, are monoclinic and containing symmetrical hexamers of, notably, 4 Zn conformation. Phenol, o- and p-cresol, m-nitrophenol, Nipagin M and benzene were further additives tested, all of them inducing largely the same …
Crystals grown in the presence of m-cresol, however, are monoclinic and containing symmetrical hexamers of, notably, 4 Zn conformation. Phen …
Changes in the proportions of an active pharmaceutical through cocrystals.
Singh AP, Singh MP, Baruah JB. Singh AP, et al. Drug Dev Res. 2021 Dec;82(8):1144-1153. doi: 10.1002/ddr.21818. Epub 2021 Apr 1. Drug Dev Res. 2021. PMID: 33792939
Conventional sulfathiazolium zinc-bis-2,6-pyridinedicarboxylate dianionic complexes (2:1 electrolyte) were formed when hydroxyaromatic compounds such as 1,3-dihydroxybenzene or 3-nitrophenol were used as guest components. Thus, with the aid of the hydroxyaromatic mo …
Conventional sulfathiazolium zinc-bis-2,6-pyridinedicarboxylate dianionic complexes (2:1 electrolyte) were formed when hydroxyaromatic compo …
Determination of m-nitrophenol and nipecotic acid in mouse tissues by high-performance liquid chromatography after administration of the anticonvulsant m-nitrophenyl-3-piperidinecarboxylate hydrochloride.
Nassereddine-Sebaei M, Crider AM, Carroll RT, Hinko CN. Nassereddine-Sebaei M, et al. J Pharm Sci. 1993 Jan;82(1):39-43. doi: 10.1002/jps.2600820109. J Pharm Sci. 1993. PMID: 8429489
The nipecotic acid ester m-nitrophenyl-3-piperidinecarboxylate (MNPC) possesses anticonvulsant activity. In the present study, the metabolites m-nitrophenol and nipecotic acid were determined in mouse blood and brain tissue after administration of MNPC. ...There was …
The nipecotic acid ester m-nitrophenyl-3-piperidinecarboxylate (MNPC) possesses anticonvulsant activity. In the present study, the metabolit …
3-Hydroxylaminophenol mutase from Ralstonia eutropha JMP134 catalyzes a Bamberger rearrangement.
Schenzle A, Lenke H, Spain JC, Knackmuss HJ. Schenzle A, et al. J Bacteriol. 1999 Mar;181(5):1444-50. doi: 10.1128/JB.181.5.1444-1450.1999. J Bacteriol. 1999. PMID: 10049374 Free PMC article.
3-Hydroxylaminophenol mutase from Ralstonia eutropha JMP134 is involved in the degradative pathway of 3-nitrophenol, in which it catalyzes the conversion of 3-hydroxylaminophenol to aminohydroquinone. To show that the reaction was really catalyzed by a single enzyme …
3-Hydroxylaminophenol mutase from Ralstonia eutropha JMP134 is involved in the degradative pathway of 3-nitrophenol, in which …
Isolation and characterization of 3-nitrophenol-degrading bacteria associated with rhizosphere of Spirodela polyrrhiza.
Kristanti RA, Kanbe M, Hadibarata T, Toyama T, Tanaka Y, Mori K. Kristanti RA, et al. Environ Sci Pollut Res Int. 2012 Jun;19(5):1852-8. doi: 10.1007/s11356-012-0836-x. Epub 2012 Mar 7. Environ Sci Pollut Res Int. 2012. PMID: 22395972
INTRODUCTION: The accelerated biodegradation of 3-nitrophenol (3-NP) in the rhizosphere of giant duckweed (Spirodela polyrrhiza) was investigated. MATERIALS AND METHODS: Biodegradation of 3-nitrophenol in the rhizosphere of a floating aquatic pl …
INTRODUCTION: The accelerated biodegradation of 3-nitrophenol (3-NP) in the rhizosphere of giant duckweed (Spirodela po …
Allergy to 3-nitro-p-hydroxyethylaminophenol and 4-amino-3-nitrophenol in a hair dye.
Søsted H, Menné T. Søsted H, et al. Contact Dermatitis. 2005 Jun;52(6):317-9. doi: 10.1111/j.0105-1873.2005.00583.x. Contact Dermatitis. 2005. PMID: 15932582
The patient gave a positive patch test to 4-amino-3-nitrophenol and 3-nitro-p-hydroxyethylaminophenol at days 3-4 reading....
The patient gave a positive patch test to 4-amino-3-nitrophenol and 3-nitro-p-hydroxyethylaminophenol at days 3-4 reading....
213 results