2-Methylindole

Methylketol or 2-methylindole is a mildly toxic and slightly flammable organic compound which occurs as a white solid which turns brown over time.^[1][2] It has chemical formula C₉H₉N.^[3]

Quick facts Names, Identifiers ...

2-Methylindole

Names
Preferred IUPAC name 2-Methyl-1H-indole
Identifiers
CAS Number	95-20-5 Y
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL259419 Y
ChemSpider	6954 Y
ECHA InfoCard	100.002.181
PubChem CID	7224
UNII	I7CN58827I Y
CompTox Dashboard (EPA)	DTXSID5059117
InChI InChI=1S/C9H9N/c1-7-6-8-4-2-3-5-9(8)10-7/h2-6,10H,1H3 Y Key: BHNHHSOHWZKFOX-UHFFFAOYSA-N Y
SMILES Cc2cc1ccccc1[nH]2
Properties
Chemical formula	C9H9N
Molar mass	131.178 g·mol−1
Appearance	Yellow viscous liquid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

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Methylketol is used as an intermediate for synthesizing dyes,^[4] pigments,^[5] optical brighteners, and pharmaceuticals.^[6]