Naphthol reds - Revision history

MDerrick at 19:13, 7 May 2026

2026-05-07T19:13:49Z

← Older revision		Revision as of 15:13, 7 May 2026
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	naphthol dye; azoic dye; Naphthol Red; Permanent Carmine; Grela Red; napthol dye (sp); hydroxynaphthoic anilide; Naphtol Anilid Saure (Deut.); Naphtol AS (Deut.); pigment à base de naphtol (Fr.);		naphthol dye; azoic dye; Naphthol Red; Permanent Carmine; Grela Red; napthol dye (sp); hydroxynaphthoic anilide; Naphtol Anilid Saure (Deut.); Naphtol AS (Deut.); pigment à base de naphtol (Fr.);
	[[[SliderGallery rightalign\|PR5 Monolite Red CB.PNG~FTIR PR5 (MFA)\|PR9 kremer23290-b.TIF~FTIR PR9 (MFA)\|PR017sun naphtol red medium 235-7515.TIF~FTIR PR17 (MFA)\|PR022 sun naphthol red light 235-7511 (with kaolin).TIF~FTIR PR22 (MFA)\|PR023 Sun Naphthol red dark.PNG~FTIR PR23 (MFA)\|PR146 naphthol Red FFB (magruder ra1308-dc).TIF~FTIR PR146 (MFA)\|PR170 sun naphthol red 235-0170.TIF~FTIR PR170(MFA)\|PR266 Naphthol Red.PNG~FTIR PR266 (MFA)\|PR268 Naphthol Red.PNG~FTIR PR268 (MFA)\|PR269 Naphthol Red.PNG~FTIR PR269 (MFA)]]] FTIR Spectra Information ==		[[[SliderGallery rightalign\|PR5 Monolite Red CB.PNG~FTIR PR5 (MFA)\|PR9 kremer23290-b.TIF~FTIR PR9 (MFA)\|PR017sun naphtol red medium 235-7515.TIF~FTIR PR17 (MFA)\|PR022 sun naphthol red light 235-7511 (with kaolin).TIF~FTIR PR22 (MFA)\|PR023 Sun Naphthol red dark.PNG~FTIR PR23 (MFA)\|PR146 naphthol Red FFB (magruder ra1308-dc).TIF~FTIR PR146 (MFA)\|PR170 sun naphthol red 235-0170.TIF~FTIR PR170(MFA)\|PR266 Naphthol Red.PNG~FTIR PR266 (MFA)\|PR268 Naphthol Red.PNG~FTIR PR268 (MFA)\|PR269 Naphthol Red.PNG~FTIR PR269 (MFA)]]]
			==FTIR Spectra Information ==
	{\| class="wikitable"		{\| class="wikitable"
	! CI number !! Pigment name !! Manufacture(number)		! CI number !! Pigment name !! Manufacture(number)

MDerrick at 19:13, 7 May 2026

2026-05-07T19:13:29Z

← Older revision		Revision as of 15:13, 7 May 2026
Line 8:		Line 8:

	naphthol dye; azoic dye; Naphthol Red; Permanent Carmine; Grela Red; napthol dye (sp); hydroxynaphthoic anilide; Naphtol Anilid Saure (Deut.); Naphtol AS (Deut.); pigment à base de naphtol (Fr.);		naphthol dye; azoic dye; Naphthol Red; Permanent Carmine; Grela Red; napthol dye (sp); hydroxynaphthoic anilide; Naphtol Anilid Saure (Deut.); Naphtol AS (Deut.); pigment à base de naphtol (Fr.);
			[[[SliderGallery rightalign\|PR5 Monolite Red CB.PNG~FTIR PR5 (MFA)\|PR9 kremer23290-b.TIF~FTIR PR9 (MFA)\|PR017sun naphtol red medium 235-7515.TIF~FTIR PR17 (MFA)\|PR022 sun naphthol red light 235-7511 (with kaolin).TIF~FTIR PR22 (MFA)\|PR023 Sun Naphthol red dark.PNG~FTIR PR23 (MFA)\|PR146 naphthol Red FFB (magruder ra1308-dc).TIF~FTIR PR146 (MFA)\|PR170 sun naphthol red 235-0170.TIF~FTIR PR170(MFA)\|PR266 Naphthol Red.PNG~FTIR PR266 (MFA)\|PR268 Naphthol Red.PNG~FTIR PR268 (MFA)\|PR269 Naphthol Red.PNG~FTIR PR269 (MFA)]]] FTIR Spectra Information ==
	~~== FTIR Spectra Information ==~~
	[[[SliderGallery rightalign\|PR5 Monolite Red CB.PNG~FTIR PR5 (MFA)\|PR9 kremer23290-b.TIF~FTIR PR9 (MFA)\|PR017sun naphtol red medium 235-7515.TIF~FTIR PR17 (MFA)\|PR022 sun naphthol red light 235-7511 (with kaolin).TIF~FTIR PR22 (MFA)\|PR023 Sun Naphthol red dark.PNG~FTIR PR23 (MFA)\|PR146 naphthol Red FFB (magruder ra1308-dc).TIF~FTIR PR146 (MFA)\|PR170 sun naphthol red 235-0170.TIF~FTIR PR170(MFA)\|PR266 Naphthol Red.PNG~FTIR PR266 (MFA)\|PR268 Naphthol Red.PNG~FTIR PR268 (MFA)\|PR269 Naphthol Red.PNG~FTIR PR269 (MFA)]]]
	{\| class="wikitable"		{\| class="wikitable"
	! CI number !! Pigment name !! Manufacture(number)		! CI number !! Pigment name !! Manufacture(number)

MDerrick at 19:13, 7 May 2026

2026-05-07T19:13:08Z

← Older revision		Revision as of 15:13, 7 May 2026
Line 9:		Line 9:
	naphthol dye; azoic dye; Naphthol Red; Permanent Carmine; Grela Red; napthol dye (sp); hydroxynaphthoic anilide; Naphtol Anilid Saure (Deut.); Naphtol AS (Deut.); pigment à base de naphtol (Fr.);		naphthol dye; azoic dye; Naphthol Red; Permanent Carmine; Grela Red; napthol dye (sp); hydroxynaphthoic anilide; Naphtol Anilid Saure (Deut.); Naphtol AS (Deut.); pigment à base de naphtol (Fr.);

			== FTIR Spectra Information ==
	[[[SliderGallery rightalign\|PR5 Monolite Red CB.PNG~FTIR PR5 (MFA)\|PR9 kremer23290-b.TIF~FTIR PR9 (MFA)\|PR017sun naphtol red medium 235-7515.TIF~FTIR PR17 (MFA)\|PR022 sun naphthol red light 235-7511 (with kaolin).TIF~FTIR PR22 (MFA)\|PR023 Sun Naphthol red dark.PNG~FTIR PR23 (MFA)\|PR146 naphthol Red FFB (magruder ra1308-dc).TIF~FTIR PR146 (MFA)\|PR170 sun naphthol red 235-0170.TIF~FTIR PR170(MFA)\|PR266 Naphthol Red.PNG~FTIR PR266 (MFA)\|PR268 Naphthol Red.PNG~FTIR PR268 (MFA)\|PR269 Naphthol Red.PNG~FTIR PR269 (MFA)]]]		[[[SliderGallery rightalign\|PR5 Monolite Red CB.PNG~FTIR PR5 (MFA)\|PR9 kremer23290-b.TIF~FTIR PR9 (MFA)\|PR017sun naphtol red medium 235-7515.TIF~FTIR PR17 (MFA)\|PR022 sun naphthol red light 235-7511 (with kaolin).TIF~FTIR PR22 (MFA)\|PR023 Sun Naphthol red dark.PNG~FTIR PR23 (MFA)\|PR146 naphthol Red FFB (magruder ra1308-dc).TIF~FTIR PR146 (MFA)\|PR170 sun naphthol red 235-0170.TIF~FTIR PR170(MFA)\|PR266 Naphthol Red.PNG~FTIR PR266 (MFA)\|PR268 Naphthol Red.PNG~FTIR PR268 (MFA)\|PR269 Naphthol Red.PNG~FTIR PR269 (MFA)]]]
	~~== FTIR Spectra Information ==~~

	{\| class="wikitable"		{\| class="wikitable"
	! CI number !! Pigment name !! Manufacture(number)		! CI number !! Pigment name !! Manufacture(number)

MDerrick at 19:12, 7 May 2026

2026-05-07T19:12:32Z

← Older revision		Revision as of 15:12, 7 May 2026
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	[[[SliderGallery rightalign\|PR5 Monolite Red CB.PNG~FTIR PR5 (MFA)\|PR9 kremer23290-b.TIF~FTIR PR9 (MFA)\|PR017sun naphtol red medium 235-7515.TIF~FTIR PR17 (MFA)\|PR022 sun naphthol red light 235-7511 (with kaolin).TIF~FTIR PR22 (MFA)\|PR023 Sun Naphthol red dark.PNG~FTIR PR23 (MFA)\|PR146 naphthol Red FFB (magruder ra1308-dc).TIF~FTIR PR146 (MFA)\|PR170 sun naphthol red 235-0170.TIF~FTIR PR170(MFA)\|PR266 Naphthol Red.PNG~FTIR PR266 (MFA)\|PR268 Naphthol Red.PNG~FTIR PR268 (MFA)\|PR269 Naphthol Red.PNG~FTIR PR269 (MFA)]]]		[[[SliderGallery rightalign\|PR5 Monolite Red CB.PNG~FTIR PR5 (MFA)\|PR9 kremer23290-b.TIF~FTIR PR9 (MFA)\|PR017sun naphtol red medium 235-7515.TIF~FTIR PR17 (MFA)\|PR022 sun naphthol red light 235-7511 (with kaolin).TIF~FTIR PR22 (MFA)\|PR023 Sun Naphthol red dark.PNG~FTIR PR23 (MFA)\|PR146 naphthol Red FFB (magruder ra1308-dc).TIF~FTIR PR146 (MFA)\|PR170 sun naphthol red 235-0170.TIF~FTIR PR170(MFA)\|PR266 Naphthol Red.PNG~FTIR PR266 (MFA)\|PR268 Naphthol Red.PNG~FTIR PR268 (MFA)\|PR269 Naphthol Red.PNG~FTIR PR269 (MFA)]]]
	== ~~Comparisons~~ ==		== FTIR Spectra Information ==


	{\| class="wikitable"		{\| class="wikitable"
	! ~~Pigment~~ number ~~!! Manufacture~~ !! Pigment name !! Manufacture CI number ~~!! Comments~~		! CI number !! Pigment name !! Manufacture(number)
	\|-		\|-
	\| PR005 ~~\|\| unknown~~\|\| monolite red CB\|\| unknown \|\|		\| PR005 \|\| monolite red CB\|\| unknown
	\|-		\|-
	\| PR009 ~~\|\| Kremer~~\|\| unidentified\|\| 23290 \|\|		\| PR009 \|\| unidentified\|\| Kremer(23290)
	\|-		\|-
	\| PR017 ~~\|\| Sun~~\|\| naphthol red medium\|\| 235-7515 \|\|		\| PR017 \|\| naphthol red medium\|\| Sun(235-7515)
	\|-		\|-
	\| PR022 ~~\|\| Sun~~\|\| naphthol red light\|\| 235-7511 \|\|		\| PR022 \|\| naphthol red light\|\| Sun(235-7511)
	\|-		\|-
	\| PR022 ~~\|\| Magruder~~\|\| naphthol red light shade\|\| ra1307-dc \|\|		\| PR022 \|\| naphthol red light shade\|\| Magruder(ra1307-dc)
	\|-		\|-
	\| PR023 ~~\|\| Sun~~\|\| naphthol red dark\|\| 235-7575 \|\|		\| PR023 \|\| naphthol red dark\|\| Sun(235-7575)
	\|-		\|-
	\| PR146 ~~\|\| Magruder~~\|\| naphthol red FFB\|\| ra1308-dc \|\|		\| PR146 \|\| naphthol red FFB\|\| Magruder(ra1308-dc)
	\|-		\|-
	\| PR170 ~~\|\| Sun~~\|\| naphthol red\|\| 235-0170 \|\|		\| PR170 \|\| naphthol red\|\| Sun(235-0170)
	\|-		\|-
	\| PR170 ~~\|\| Kremer~~\|\| naphthol red\|\| 23290-a \|\|		\| PR170 \|\| naphthol red\|\| Kremer(23290-a)
	\|-		\|-
	\| PR266 ~~\|\| Magruder~~\|\| naphthol red medium shade\|\| ra1014-dc \|\|		\| PR266 \|\| naphthol red medium shade\|\| Magruder(ra1014-dc)
	\|-		\|-
	\| PR268 ~~\|\| Magruder~~\|\| naphthol red warm light shade\|\| ra1012-dc \|\|		\| PR268 \|\| naphthol red warm light shade\|\| Magruder(ra1012-dc)
	\|-		\|-
	\| PR269 ~~\|\| Magruder~~\|\| naphthol red bluish dark shade\|\| ra1087-dc \|\|		\| PR269 \|\| naphthol red bluish dark shade\|\| Magruder(ra1087-dc)
	\|-		\|-
	\|}		\|}

MDerrick at 17:13, 7 March 2026

2026-03-07T17:13:49Z

← Older revision		Revision as of 13:13, 7 March 2026
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	A general class of azo-type organic colorants. Naphthol pigments contain a backbone of 2-hydroxy-3-naphthanilide and include many shades of red and some oranges. They were first patented in 1911 and sold as Grela Reds but did not become popularly used until the 1930s when they were produced by IG Farben (Berrie and Lomax 1997). Later, a series of naphthol reds, called American Naphthol Reds, was introduced to the United States in the 1940s (Berrie and Lomax 1997). About 6% of the red colorants used in 1985 were naphthol pigments. They provide good tinting strength and good lightfastness, but can bleed when exposed to organic solvents. Naphthol reds are used to color plastics, automotive finishes, architectural paints, pencils, crayon, printing inks and inexpensive artists oil paints and watercolors.		A general class of azo-type organic colorants. Naphthol pigments contain a backbone of 2-hydroxy-3-naphthanilide and include many shades of red and some oranges. They were first patented in 1911 and sold as Grela Reds but did not become popularly used until the 1930s when they were produced by IG Farben (Berrie and Lomax 1997). Later, a series of naphthol reds, called American Naphthol Reds, was introduced to the United States in the 1940s (Berrie and Lomax 1997). About 6% of the red colorants used in 1985 were naphthol pigments. They provide good tinting strength and good lightfastness, but can bleed when exposed to organic solvents. Naphthol reds are used to color plastics, automotive finishes, architectural paints, pencils, crayon, printing inks and inexpensive artists oil paints and watercolors.

	See also [[Beta naphthol pigment]].		See also [[Naphthol pigments]] and [[Beta naphthol pigment]].

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

MDerrick: MDerrick moved page Naphthol pigments to Naphthol reds without leaving a redirect

2026-02-27T20:18:08Z

MDerrick moved page Naphthol pigments to Naphthol reds without leaving a redirect

← Older revision	Revision as of 16:18, 27 February 2026
(No difference)

MDerrick: MDerrick moved page Naphthol pigment to Naphthol pigments

2026-02-27T20:16:13Z

MDerrick moved page Naphthol pigment to Naphthol pigments

← Older revision	Revision as of 16:16, 27 February 2026
(No difference)

MDerrick at 19:34, 26 May 2025

2025-05-26T19:34:01Z

← Older revision		Revision as of 15:34, 26 May 2025
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	== Description ==		== Description ==

	A general class of azo-type organic colorants. Naphthol pigments contain a backbone of 2-hydroxy-3-naphthanilide ~~(Napthol AS)~~ and include many shades of red and some oranges. They were first patented in 1911 and sold as Grela Reds but did not become popularly used until the 1930s when they were produced by IG Farben (Berrie and Lomax 1997). Later, a series of naphthol reds, called American Naphthol Reds, was introduced to the United States in the 1940s (Berrie an Lomax 1997). About 6% of the red colorants used in 1985 were naphthol pigments. They provide good tinting strength and good lightfastness, but can bleed when exposed to organic solvents. Naphthol reds are used to color plastics, automotive finishes, architectural paints, pencils, crayon, printing inks and inexpensive artists oil paints and watercolors.		A general class of azo-type organic colorants. Naphthol pigments contain a backbone of 2-hydroxy-3-naphthanilide and include many shades of red and some oranges. They were first patented in 1911 and sold as Grela Reds but did not become popularly used until the 1930s when they were produced by IG Farben (Berrie and Lomax 1997). Later, a series of naphthol reds, called American Naphthol Reds, was introduced to the United States in the 1940s (Berrie and Lomax 1997). About 6% of the red colorants used in 1985 were naphthol pigments. They provide good tinting strength and good lightfastness, but can bleed when exposed to organic solvents. Naphthol reds are used to color plastics, automotive finishes, architectural paints, pencils, crayon, printing inks and inexpensive artists oil paints and watercolors.

	See also [[Beta naphthol pigment]].		See also [[Beta naphthol pigment]].
Line 7:		Line 7:
	== Synonyms and Related Terms ==		== Synonyms and Related Terms ==

	naphthol dye; azoic dye; Naphthol Red; Permanent Carmine; Grela Red; napthol dye (sp); hydroxynaphthoic anilide; Naphtol Anilid Saure (Deut.); ~~Napthol~~ AS (Deut.); pigment à base de naphtol (Fr.);		naphthol dye; azoic dye; Naphthol Red; Permanent Carmine; Grela Red; napthol dye (sp); hydroxynaphthoic anilide; Naphtol Anilid Saure (Deut.); Naphtol AS (Deut.); pigment à base de naphtol (Fr.);

	[[[SliderGallery rightalign\|PR5 Monolite Red CB.PNG~FTIR PR5 (MFA)\|PR9 kremer23290-b.TIF~FTIR PR9 (MFA)\|PR017sun naphtol red medium 235-7515.TIF~FTIR PR17 (MFA)\|PR022 sun naphthol red light 235-7511 (with kaolin).TIF~FTIR PR22 (MFA)\|PR023 Sun Naphthol red dark.PNG~FTIR PR23 (MFA)\|PR146 naphthol Red FFB (magruder ra1308-dc).TIF~FTIR PR146 (MFA)\|PR170 sun naphthol red 235-0170.TIF~FTIR PR170(MFA)\|PR266 Naphthol Red.PNG~FTIR PR266 (MFA)\|PR268 Naphthol Red.PNG~FTIR PR268 (MFA)\|PR269 Naphthol Red.PNG~FTIR PR269 (MFA)]]]		[[[SliderGallery rightalign\|PR5 Monolite Red CB.PNG~FTIR PR5 (MFA)\|PR9 kremer23290-b.TIF~FTIR PR9 (MFA)\|PR017sun naphtol red medium 235-7515.TIF~FTIR PR17 (MFA)\|PR022 sun naphthol red light 235-7511 (with kaolin).TIF~FTIR PR22 (MFA)\|PR023 Sun Naphthol red dark.PNG~FTIR PR23 (MFA)\|PR146 naphthol Red FFB (magruder ra1308-dc).TIF~FTIR PR146 (MFA)\|PR170 sun naphthol red 235-0170.TIF~FTIR PR170(MFA)\|PR266 Naphthol Red.PNG~FTIR PR266 (MFA)\|PR268 Naphthol Red.PNG~FTIR PR268 (MFA)\|PR269 Naphthol Red.PNG~FTIR PR269 (MFA)]]]

MDerrick at 16:36, 26 May 2025

2025-05-26T16:36:02Z

← Older revision		Revision as of 12:36, 26 May 2025
Line 3:		Line 3:
	A general class of azo-type organic colorants. Naphthol pigments contain a backbone of 2-hydroxy-3-naphthanilide (Napthol AS) and include many shades of red and some oranges. They were first patented in 1911 and sold as Grela Reds but did not become popularly used until the 1930s when they were produced by IG Farben (Berrie and Lomax 1997). Later, a series of naphthol reds, called American Naphthol Reds, was introduced to the United States in the 1940s (Berrie an Lomax 1997). About 6% of the red colorants used in 1985 were naphthol pigments. They provide good tinting strength and good lightfastness, but can bleed when exposed to organic solvents. Naphthol reds are used to color plastics, automotive finishes, architectural paints, pencils, crayon, printing inks and inexpensive artists oil paints and watercolors.		A general class of azo-type organic colorants. Naphthol pigments contain a backbone of 2-hydroxy-3-naphthanilide (Napthol AS) and include many shades of red and some oranges. They were first patented in 1911 and sold as Grela Reds but did not become popularly used until the 1930s when they were produced by IG Farben (Berrie and Lomax 1997). Later, a series of naphthol reds, called American Naphthol Reds, was introduced to the United States in the 1940s (Berrie an Lomax 1997). About 6% of the red colorants used in 1985 were naphthol pigments. They provide good tinting strength and good lightfastness, but can bleed when exposed to organic solvents. Naphthol reds are used to color plastics, automotive finishes, architectural paints, pencils, crayon, printing inks and inexpensive artists oil paints and watercolors.

	See also [[Beta ~~napthol~~ pigment]].		See also [[Beta naphthol pigment]].

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

MDerrick at 15:19, 24 May 2025

2025-05-24T15:19:42Z

← Older revision		Revision as of 11:19, 24 May 2025
Line 2:		Line 2:

	A general class of azo-type organic colorants. Naphthol pigments contain a backbone of 2-hydroxy-3-naphthanilide (Napthol AS) and include many shades of red and some oranges. They were first patented in 1911 and sold as Grela Reds but did not become popularly used until the 1930s when they were produced by IG Farben (Berrie and Lomax 1997). Later, a series of naphthol reds, called American Naphthol Reds, was introduced to the United States in the 1940s (Berrie an Lomax 1997). About 6% of the red colorants used in 1985 were naphthol pigments. They provide good tinting strength and good lightfastness, but can bleed when exposed to organic solvents. Naphthol reds are used to color plastics, automotive finishes, architectural paints, pencils, crayon, printing inks and inexpensive artists oil paints and watercolors.		A general class of azo-type organic colorants. Naphthol pigments contain a backbone of 2-hydroxy-3-naphthanilide (Napthol AS) and include many shades of red and some oranges. They were first patented in 1911 and sold as Grela Reds but did not become popularly used until the 1930s when they were produced by IG Farben (Berrie and Lomax 1997). Later, a series of naphthol reds, called American Naphthol Reds, was introduced to the United States in the 1940s (Berrie an Lomax 1997). About 6% of the red colorants used in 1985 were naphthol pigments. They provide good tinting strength and good lightfastness, but can bleed when exposed to organic solvents. Naphthol reds are used to color plastics, automotive finishes, architectural paints, pencils, crayon, printing inks and inexpensive artists oil paints and watercolors.

			See also [[Beta napthol pigment]].

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