Aniline yellow: Difference between revisions

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[[File:MFA1973161 Aniline.jpg|thumb|Mi'kmaq basket<br>1973.161]]
== Description ==
== Description ==
 
[[File:Aniline yellow wool faded.png|thumb|Aniline Yellow dye on wool after exposure to 85 Mlx-h <br> Credit: E. Hagan et al.]]
A yellow amorphous powder that dyes [http://cameo.mfa.org/materials/fullrecord.asp?name=wool wool] and [http://cameo.mfa.org/materials/fullrecord.asp?name=silk silk] a deep yellow color. Chrysotoluidine was discovered in 1866 by Girard and Chapoteaut. It readily oxides to form a red color.
A yellow amorphous colorant that was the first azo dye.  Aniline yellow was discovered in Charles Mène in 1861. It dyes [[wool]] and [[silk]] a deep yellow color, but has poor lightfastness. Aniline yellow has been used for used in microscopy, pyrotechnics, as well as pigments and inks. It is also used in insecticides, lacquers, varnishes, waxes, oil stains, and styrene resins.


== Synonyms and Related Terms ==
== Synonyms and Related Terms ==


aniline yellow; yellow magenta
4-(Phenyldiazenyl)aniline; CI 11000; CAS 60-09-3; yellow magenta;


== Other Properties ==
== Risk==
* Highly toxic
* Suspected carcinogen


Soluble in ethanol, ether and benzene.  Slightly soluble in boiling water.
== Physical and Chemical Properties ==


{| class="wikitable"
* Soluble in ethanol, ether and benzene. 
|-
* Slightly soluble in boiling water.
! scope="row"| Composition
* Composition = C12H11N3
| C21H21N3
* Density = 1.19 g/mol
|}
* Melting pt = 123-126 C
 
== Authority ==


== Resources and Citations ==
* D. Tamburini, F. Sabatini, S. Berbers, M.R. van Bommel, I. Degano, 'An Introduction and Recent Advances in the Analytical Study of Early Synthetic Dyes and Organic Pigments in Cultural Heritage', ''Heritage'' 7(4) 2024. [https://doi.org/10.3390/heritage7040094 link]
* Wikipedia: [https://en.wikipedia.org/wiki/Aniline_Yellow Aniline Yellow] Accessed May 2026
* F. Crace-Calvert, ''Dyeing and Calico Printing'', Palmer & Howe, London, 1876
* F. Crace-Calvert, ''Dyeing and Calico Printing'', Palmer & Howe, London, 1876
 
* E. Hagan, I. Castro-Soto, M. Breault, et al. [https://doi.org/10.1186/s40494-022-00675-9 The lightfastness of early synthetic organic dyes]. Herit Sci 10, 50 (2022).




[[Category:Materials database]]
[[Category:Materials database]]

Latest revision as of 14:05, 4 July 2026

Mi'kmaq basket
1973.161

Description

Aniline Yellow dye on wool after exposure to 85 Mlx-h
Credit: E. Hagan et al.

A yellow amorphous colorant that was the first azo dye. Aniline yellow was discovered in Charles Mène in 1861. It dyes wool and silk a deep yellow color, but has poor lightfastness. Aniline yellow has been used for used in microscopy, pyrotechnics, as well as pigments and inks. It is also used in insecticides, lacquers, varnishes, waxes, oil stains, and styrene resins.

Synonyms and Related Terms

4-(Phenyldiazenyl)aniline; CI 11000; CAS 60-09-3; yellow magenta;

Risk

  • Highly toxic
  • Suspected carcinogen

Physical and Chemical Properties

  • Soluble in ethanol, ether and benzene.
  • Slightly soluble in boiling water.
  • Composition = C12H11N3
  • Density = 1.19 g/mol
  • Melting pt = 123-126 C

Resources and Citations

  • D. Tamburini, F. Sabatini, S. Berbers, M.R. van Bommel, I. Degano, 'An Introduction and Recent Advances in the Analytical Study of Early Synthetic Dyes and Organic Pigments in Cultural Heritage', Heritage 7(4) 2024. link
  • Wikipedia: Aniline Yellow Accessed May 2026
  • F. Crace-Calvert, Dyeing and Calico Printing, Palmer & Howe, London, 1876
  • E. Hagan, I. Castro-Soto, M. Breault, et al. The lightfastness of early synthetic organic dyes. Herit Sci 10, 50 (2022).
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