o- aminoazotoluene

Structural formula
General
Surname	o- aminoazotoluene
other names	4-amino-2 ′, 3-dimethylazobenzene; 4- o -Tolylazo- o -toluidine; 2-amino-5-azotoluene; CI 11160;
Molecular formula	C 14 H 15 N 3
Brief description	red-brown odorless solid
External identifiers / databases
EC number	202-591-2
ECHA InfoCard	100.002.357
PubChem	7340
ChemSpider	21159431
Wikidata	Q15726118
properties
Molar mass	225.29 g mol −1
Physical state	firmly
Melting point	101-102 ° C
solubility	practically insoluble in water
safety instructions
H and P phrases	H: 317-350
	P: 201-280-308 + 313
Authorization procedure under REACH	particularly worrying : carcinogenic ( CMR )
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

o -Aminoazotoluene is a chemical compound from the group of aminobenzenes and azo compounds . It is a breakdown product of scarlet red and is onthe ECHA list of substances of very high concern .

presentation

o -Aminoazotoluol can be prepared by diazotization of o -Toluidin and coupling of the diazonium compound o be prepared -Toluidin.

properties

o -Aminoazotoluene is a flammable, hardly ignitable, red-brown odorless solid that is practically insoluble in water.

use

o -Aminoazotoluene is used as a dye .

safety instructions

In humans, allergic contact dermatitis due to o- aminoazotoluene was observed in several cases and confirmed by means of patch tests that were well documented. In addition, several cross-reactions to o- aminoazotoluene and other structurally related azo dyes or 1,4-substituted aromatic diamino compounds have been observed.

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g Entry on o-aminoazotoluene in the GESTIS substance database of the IFA , accessed on January 10, 2017(JavaScript required) .
↑ Entry on o-aminoazotoluene in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on January 2, 2017. Manufacturers or distributors can expand the harmonized classification and labeling .
↑ Entry in the SVHC list of the European Chemicals Agency , accessed on April 21, 2020.
↑ H. Bielka, D. Bierwolf, A. Graffi, T. Schramm, Oskar Eichler (ed.): Production of disease states by the experiment: I tumors . Springer-Verlag, 2013, ISBN 978-3-662-22566-0 , pp. 212 ( limited preview in Google Book search).
↑ ^a ^b Entry on 2-Amino-5-azotoluene in the Hazardous Substances Data Bank , accessed January 1, 2017.
^ The MAK Collection for Occupational Health and Safety . Wiley-VCH Verlag & Co. KGaA, 2002, ISBN 978-3-527-60041-0 , o-aminoazotoluene [MAK Value Documentation in German language, 1998].

[GESTIS-1] ↑ ^a ^b ^c ^d ^e ^f ^g Entry on o-aminoazotoluene in the GESTIS substance database of the IFA , accessed on January 10, 2017(JavaScript required) .

[CLP_100.002.357-2] Entry on o-aminoazotoluene in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on January 2, 2017. Manufacturers or distributors can expand the harmonized classification and labeling .

[SVHC-3] Entry in the SVHC list of the European Chemicals Agency , accessed on April 21, 2020.

[4] H. Bielka, D. Bierwolf, A. Graffi, T. Schramm, Oskar Eichler (ed.): Production of disease states by the experiment: I tumors . Springer-Verlag, 2013, ISBN 978-3-662-22566-0 , pp. 212 ( limited preview in Google Book search).

[HSDB-5] Entry on 2-Amino-5-azotoluene in the Hazardous Substances Data Bank , accessed January 1, 2017.

[6] The MAK Collection for Occupational Health and Safety . Wiley-VCH Verlag & Co. KGaA, 2002, ISBN 978-3-527-60041-0 , o-aminoazotoluene [MAK Value Documentation in German language, 1998].