Martius yellow

Martius yellow

Names
Preferred IUPAC name 2,4-Dinitronaphthalen-1-ol
Other names 2,4-Dinitronaphthol; Martinsgelb; C.I. 10315; Acid yellow 24
Identifiers
CAS Number	605-69-6 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:67128 N
ChemSpider	11309 N
ECHA InfoCard	100.009.176
EC Number	210-093-1
MeSH	C057508
PubChem CID	11802
UNII	5PQ80Y1K6H N
CompTox Dashboard (EPA)	DTXSID7060544
InChI InChI=1S/C10H6N2O5/c13-10-7-4-2-1-3-6(7)8(11(14)15)5-9(10)12(16)17/h1-5,13H N Key: FFRBMBIXVSCUFS-UHFFFAOYSA-N N InChI=1/C10H6N2O5/c13-10-7-4-2-1-3-6(7)8(11(14)15)5-9(10)12(16)17/h1-5,13H Key: FFRBMBIXVSCUFS-UHFFFAOYAH
SMILES C1=CC=C2C(=C1)C(=CC(=C2O)[N+](=O)[O-])[N+](=O)[O-]
Properties
Chemical formula	C10H6N2O5
Molar mass	234.167 g·mol−1
Appearance	brownish-yellow powder
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

Martius yellow is an organic compound that once was used to protect wool from moths. It is prepared by nitration of naphthol.^[1]

Martius yellow stains have been used to stain erythrocytes yellow so that they contrast well with red fibrin in trichrome staining methods such as Lendrum's Picro Mallory and Slidder's Martius, Scarlet and Blue (MSB). It can be combined with other small molecular weight yellow dyes to increase stain intensity.

1. ^ Raue, Roderich; Corbett, John F. (2000). "Nitro and Nitroso Dyes". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a17_383. ISBN 3527306730.

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