Vat Yellow 1

{{chembox

| ImageFile=Vat Yellow 1.svg

| ImageSize=

| ImageFile2=

| PIN=Benzo[h]benzo[6,7]acridino[2,1,10,9-klmna]acridine-8,16-dione

| OtherNames={{unbulleted list

|Flavanthrone

|Pigment Yellow 24

|Flavanthrene

|Indofast Yellow

|Sandothrene NGN}}{{cite web|url=http://www.worlddyevariety.com/vat-dyes/vat-yellow-1.html|title= Vat Yellow 1| format = blog |date= December 7, 2016|language=en |trans-title= Vat Yellow 1 | work=worlddyevariety.com|access-date=7 December 2016}}

| Section1= {{Chembox Identifiers

| 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

| InChIKey = KJPJZBYFYBYKPK-UHFFFAOYSA-N

| ChEMBL_Ref =

| ChEMBL = 137369

| StdInChI =

| StdInChIKey =

| CASNo=475-71-8

| UNII_Ref = {{fdacite|correct|FDA}}

| UNII = 5FA52JAB7C

| ChemSpiderID = 61374

| PubChem=68059

| KEGG =

| ChEBI =

| SMILES = C1=CC=C2C(=C1)C3=NC4=C5C6=C(C=C4)C(=O)C7=CC=CC=C7C6=NC8=C5C3=C(C2=O)C=C8

}}

| Section2= {{Chembox Properties

| Formula=C₂₈H₁₂O₂N₂

| MolarMass=408.40708 g/mol

| Appearance=

| Density=

| MeltingPt=

| BoilingPt=

| Solubility=

| SolubleOther =

| MagSus = −241.0·10⁻⁶ cm³/mol

}}

| Section7= {{Chembox Hazards

| MainHazards=

| FlashPtC =

| AutoignitionPtC =

}}

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Vat Yellow 1 is a vat dye, yellow in appearance under some conditions used in cloth dyeing.{{Ullmann|first1=K. |last1=Hunger|first2=W.|last2=Herbst|title=Pigments, Organic|year=2012|doi=10.1002/14356007.a20_371}}{{subscription required}}