4-aminodiphenylamine

Structural formula
General
Surname	4-aminodiphenylamine
other names	N -phenyl- p -phenylenediamine; p -aminodiphenylamine; N- phenyl-1,4-phenylenediamine; Diphenyl black; CI 76085;
Molecular formula	C 12 H 12 N 2
Brief description	gray-purple solid with a slightly aromatic odor
External identifiers / databases
EC number	202-951-9
ECHA InfoCard	100.002.684
PubChem	7564
ChemSpider	7283
Wikidata	Q4533362
properties
Molar mass	184.24 g mol −1
Physical state	firmly
density	1.09 g cm −3
Melting point	75 ° C
boiling point	354 ° C
solubility	very sparingly soluble in water (0.50 g l −1 at 20 ° C); easily soluble in ethanol ;
safety instructions
H and P phrases	H: 302-317-319-410
	P: 273-280-305 + 351 + 338-501
Toxicological data	336 mg kg −1 ( LD 50 , rat , oral ) ; > 5000 mg kg −1 ( LD 50 , rabbit , transdermal ) ;
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

4-aminodiphenylamine is a chemical compound belonging to the aminobenzenes group .

Extraction and presentation

4-aminodiphenylamine can be prepared by hydrogenation of nitrobenzene be with a strong organic base recovered.

properties

4-aminodiphenylamine is a flammable, difficult to ignite, gray-violet solid with a slightly aromatic odor, which is very sparingly soluble in water. It decomposes when heated.

use

4-aminodiphenylamine is used as an industrial intermediate and part of hair dyes.

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k Entry on 4-aminodiphenylamine in the GESTIS substance database of the IFA , accessed on October 19, 2019(JavaScript required) .
↑ ^a ^b Data sheet N-Phenyl-p-phenylenediamine, 98% from Sigma-Aldrich , accessed on October 19, 2019 ( PDF ).
^ John S. Dick, Charles P. Rader: Raw Materials Supply Chain for Rubber Products Overview of the Global Use of Raw Materials, Polymers, Compounding Ingredients, and Chemical Intermediates . Carl Hanser Verlag GmbH Co KG, 2014, ISBN 978-1-56990-538-8 , pp. 345 ( limited preview in Google Book search).

[GESTIS-1] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k Entry on 4-aminodiphenylamine in the GESTIS substance database of the IFA , accessed on October 19, 2019(JavaScript required) .

[Sigma-2] Data sheet N-Phenyl-p-phenylenediamine, 98% from Sigma-Aldrich , accessed on October 19, 2019 ( PDF ).

[John_S._Dick,_Charles_P._Rader-3] John S. Dick, Charles P. Rader: Raw Materials Supply Chain for Rubber Products Overview of the Global Use of Raw Materials, Polymers, Compounding Ingredients, and Chemical Intermediates . Carl Hanser Verlag GmbH Co KG, 2014, ISBN 978-1-56990-538-8 , pp. 345 ( limited preview in Google Book search).