Vat Yellow 1

Vat Yellow 1
Names
	Preferred IUPAC name Benzo[h]benzo[6,7]acridino[2,1,10,9-klmna]acridine-8,16-dione
	Other names Flavanthrone; Pigment Yellow 24; Flavanthrene; Indofast Yellow; Sandothrene NGN;
Identifiers
CAS Number	475-71-8 ;
3D model (JSmol)	Interactive image ;
ChEMBL	ChEMBL137369 ;
ChemSpider	61374 ;
ECHA InfoCard	100.006.818
PubChem CID	68059 ;
UNII	5FA52JAB7C ;
CompTox Dashboard (EPA)	DTXSID6060056 ;
	InChI InChI=1S/C28H12N2O2/c31-27-15-7-3-1-5-13(15)25-21-17(27)9-12-20-23(21)24-19(29-25)11-10-18-22(24)26(30-20)14-6-2-4-8-16(14)28(18)32/h1-12H Key: KJPJZBYFYBYKPK-UHFFFAOYSA-N;
	SMILES C1=CC=C2C(=C1)C3=NC4=C5C6=C(C=C4)C(=O)C7=CC=CC=C7C6=NC8=C5C3=C(C2=O)C=C8;
Properties
Chemical formula	C28H12O2N2
Molar mass	408.40708 g/mol
Magnetic susceptibility (χ)	−241.0·10−6 cm3/mol
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Last updated March 25, 2025

Vat Yellow 1 is a vat dye, yellow in appearance under some conditions used in cloth dyeing.^[2]

References

↑ "Vat Yellow 1" [Vat Yellow 1](blog). worlddyevariety.com. December 7, 2016. Retrieved 7 December 2016.
↑ Hunger, K.; Herbst, W. (2012). "Pigments, Organic". Ullmann's Encyclopedia of Industrial Chemistry . Weinheim: Wiley-VCH. doi:10.1002/14356007.a20_371. ISBN 978-3-527-30673-2.(subscription required)

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[1] "Vat Yellow 1" [Vat Yellow 1](blog). worlddyevariety.com. December 7, 2016. Retrieved 7 December 2016.

[Ullmann-2] Hunger, K.; Herbst, W. (2012). "Pigments, Organic". Ullmann's Encyclopedia of Industrial Chemistry . Weinheim: Wiley-VCH. doi:10.1002/14356007.a20_371. ISBN 978-3-527-30673-2.(subscription required)

[1]

[2]

v t e Vat dyes
Blue	4 36
Green	1 9
Orange	1 3
Red	23 29
Yellow	1 4

v t e Dyeing
Techniques	Batik Dyeing Ikat Kasuri Kalamkari Katazome Leheria Mordant Reactive dye printing Resist Ring dyeing Rōketsuzome Shibori Tie-dye Tsutsugaki Yūzen
Types of dyes	Dyes Natural Acid Reactive Solvent Substantive Sulfur Vat Disperse Discharge Pigment
Traditional textile dyes	Armenian cochineal Black walnut Bloodroot Brazilin Cochineal Cudbear Cutch Dyewoods Fustic Gamboge Dyer's broom Henna Indigo Kermes Logwood Madder Polish cochineal Saffron Turmeric Tyrian purple Weld Woad
History	Use of saffron Traditional dyes of the Scottish Highlands
Craft dyes	Dylon Inkodye Procion Rit
Reference	Glossary of dyeing terms List of dyes

Names

Preferred IUPAC name Benzo[h]benzo[6,7]acridino[2,1,10,9-klmna]acridine-8,16-dione
Other names Flavanthrone Pigment Yellow 24 Flavanthrene Indofast Yellow Sandothrene NGN ^[1]
Identifiers
CAS Number	475-71-8
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL137369
ChemSpider	61374
ECHA InfoCard	100.006.818
PubChem CID	68059
UNII	5FA52JAB7C ^Y
CompTox Dashboard (EPA)	DTXSID6060056
InChI InChI=1S/C28H12N2O2/c31-27-15-7-3-1-5-13(15)25-21-17(27)9-12-20-23(21)24-19(29-25)11-10-18-22(24)26(30-20)14-6-2-4-8-16(14)28(18)32/h1-12H Key: KJPJZBYFYBYKPK-UHFFFAOYSA-N
SMILES C1=CC=C2C(=C1)C3=NC4=C5C6=C(C=C4)C(=O)C7=CC=CC=C7C6=NC8=C5C3=C(C2=O)C=C8
Properties
Chemical formula	C₂₈H₁₂O₂N₂
Molar mass	408.40708 g/mol
Magnetic susceptibility (χ)	−241.0·10⁻⁶ cm³/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references