Difference between revisions of "Quinacridone dye"

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A series of synthetic red and violet dyes composed of linear quinacridones that are made from terephthalic acid. Quinacridone dyes can exist in four crystalline allotropes, two of which are sold as red and violet pigments. Although synthesized in 1896, quinacridone colors were first recognized as useful pigments by W. Struve at DuPont in 1955 and marketed in 1958 under the name Monastral. These lightfast colorants are used in paints, printing inks, and plastics.
 
A series of synthetic red and violet dyes composed of linear quinacridones that are made from terephthalic acid. Quinacridone dyes can exist in four crystalline allotropes, two of which are sold as red and violet pigments. Although synthesized in 1896, quinacridone colors were first recognized as useful pigments by W. Struve at DuPont in 1955 and marketed in 1958 under the name Monastral. These lightfast colorants are used in paints, printing inks, and plastics.
  
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[[[SliderGallery rightalign|PV19 kremer23700.TIF~FTIR PV19(MFA)|PR122 sun quinacridone magenta 228-0013.TIF~FTIR PR122(MFA)|PR202 sun quinacridone magenta 228-1215.TIF~FTIR PP202(MFA)]]]
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[[[SliderGallery rightalign|PV19 kremer23710.TIF~FTIR PV19(MFA)|PV019 sun quinacridone red 228-0022.TIF~FTIR PV19(MFA)|PR122 sun quinacridone magenta 228-0013.TIF~FTIR PR122(MFA)|PR202 sun quinacridone magenta 228-1215.TIF~FTIR PR202(MFA)|PR209 Hostaperm Red.PNG~FTIR PR209(MFA)|PR209 Hostaperm Red EG (Tate).PNG~FTIR TatePR209(MFA)]]]
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
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Examples include:
 
Examples include:
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* Red - Monastral red [DuPont]; Acra red [Liquitex]; Acra crimson [Binney and Smith]; Bocour red [Bocour Artist Colors];Thalo Red Rose
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Red - Monastral red [DuPont; Acra red [Liquitex]; Acra crimson [Binney and Smith]; Bocour red [Bocour Artist Colors];Thalo Red Rose
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* Violet - Monastral violet, Pigment Violet 19; CI 46500;
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Violet - Monastral violet, Pigment Violet 19; CI 46500;
 
 
== Comparisons ==
 
== Comparisons ==
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−
 
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Pigment number !! Manufacture !! Pigment name !! Manufacture CI number !! Comments
 
|-
 
|-
−
! Pigment number !! Manufacture !! Pigment name !! Manufacture number !! Comments
 
 
|-
 
|-
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| PV019|| Sun || quinacradone red|| 228-0022 ||  ||
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| PV019 || Kremer|| unspecified || 23700 ||  
 
|-
 
|-
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| PV019|| Sun || quinacradone violet || 228-1119 ||  ||
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| PV019 || Kremer|| unspecified || 23710 || same as PV019 Sun quinacradone violet 228-1119  
 
|-
 
|-
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| PV019 || Kremer|| unspecified || 23700 ||  
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| PV019|| Sun || quinacradone red|| 228-0022 || 
 +
|-
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| PV019|| Sun || quinacradone violet || 228-1119 ||  same as PV019 Kremer 23710
 +
|-
 +
| PR122|| Sun || quinacradone magenta || 228-0013 || same as PR122 Kremer 23152
 +
|-
 +
| PV122 || Kremer|| unspecified || 23152 || same as PR122 Sun 228-0013
 +
|-
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| PR202|| Sun || quinacradone magenta || 228-1215 || 
 +
|-
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| PR202|| unknown|| cinquasia magenta RT-343-D|| unknown ||  from Tate Collection
 +
|-
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| PR209|| unknown || hostaperm red EG transparent (quinacradone) || unknown|| spectrum does not match Tate PR209
 
|-
 
|-
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| PR209|| unknown || hostaperm red EG transparent (quinacradone) || sample from the Tate Collection|| spectrum does not match other PR209
 
|
 
|
−
 
 
|}
 
|}
  
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== Other Properties ==
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==Physical and Chemical Properties==
  
 
Resistant to alkalis and heat.
 
Resistant to alkalis and heat.
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|-
 
|-
 
! scope="row"| Density
 
! scope="row"| Density
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| 1.5
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| 1.5 g/ml
 
|-
 
|-
 
! scope="row"| Refractive Index
 
! scope="row"| Refractive Index
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|}
 
|}
  
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== Sources Checked for Data in Record ==
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==Resources and Citations==
  
 
* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966
 
* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966
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* Monona Rossol, ''The Artist's Complete Health and Safety Guide'', Allworth Press, New York, 1994
 
* Monona Rossol, ''The Artist's Complete Health and Safety Guide'', Allworth Press, New York, 1994
  
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* ''Encyclopedia Britannica'', http://www.britannica.com  Comment: "chemical compound." Encyclopædia Britannica. 2005. Encyclopædia Britannica Premium Service  7 Apr. 2005 .
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* ''Encyclopedia Britannica'', http://www.britannica.com  Comment: "chemical compound." Accessed 7 Apr. 2005 .
  
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* Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000
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* Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000
  
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* Website address 1  Comment: www.handprint.com
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* Website: www.handprint.com
  
  
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Latest revision as of 13:36, 20 July 2022

Description

A series of synthetic red and violet dyes composed of linear quinacridones that are made from terephthalic acid. Quinacridone dyes can exist in four crystalline allotropes, two of which are sold as red and violet pigments. Although synthesized in 1896, quinacridone colors were first recognized as useful pigments by W. Struve at DuPont in 1955 and marketed in 1958 under the name Monastral. These lightfast colorants are used in paints, printing inks, and plastics.

FTIR PV19(MFA)

PV19 kremer23710.TIF

FTIR PV19(MFA)

PV019 sun quinacridone red 228-0022.TIF

FTIR PR122(MFA)

PR122 sun quinacridone magenta 228-0013.TIF

FTIR PR202(MFA)

PR202 sun quinacridone magenta 228-1215.TIF

FTIR PR209(MFA)

PR209 Hostaperm Red.PNG

FTIR TatePR209(MFA)

PR209 Hostaperm Red EG (Tate).PNG


Synonyms and Related Terms

colorante de quinacridona (Esp.)

Examples include:

  • Red - Monastral red [DuPont]; Acra red [Liquitex]; Acra crimson [Binney and Smith]; Bocour red [Bocour Artist Colors];Thalo Red Rose
  • Violet - Monastral violet, Pigment Violet 19; CI 46500;

Comparisons

Pigment number Manufacture Pigment name Manufacture CI number Comments
PV019 Kremer unspecified 23700
PV019 Kremer unspecified 23710 same as PV019 Sun quinacradone violet 228-1119
PV019 Sun quinacradone red 228-0022
PV019 Sun quinacradone violet 228-1119 same as PV019 Kremer 23710
PR122 Sun quinacradone magenta 228-0013 same as PR122 Kremer 23152
PV122 Kremer unspecified 23152 same as PR122 Sun 228-0013
PR202 Sun quinacradone magenta 228-1215
PR202 unknown cinquasia magenta RT-343-D unknown from Tate Collection
PR209 unknown hostaperm red EG transparent (quinacradone) unknown spectrum does not match Tate PR209
PR209 unknown hostaperm red EG transparent (quinacradone) sample from the Tate Collection spectrum does not match other PR209

Physical and Chemical Properties

Resistant to alkalis and heat.

Composition violet- C20H12N2O2
Density 1.5 g/ml
Refractive Index 2.02 - 2.04

Resources and Citations

  • R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 611
  • Reed Kay, The Painter's Guide To Studio Methods and Materials, Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983
  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Hermann Kuhn, Conservation and Restoration of Works of Art and Antiquities, Butterworths, London, 1986
  • Monona Rossol, The Artist's Complete Health and Safety Guide, Allworth Press, New York, 1994
  • Website: www.handprint.com

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