lepidine

{{chembox

| Watchedfields = changed

| verifiedrevid = 462089974

| ImageFile = Lepidine.png

| ImageSize = 150px

| PIN = 4-Methylquinoline

| OtherNames = Lepidine

|Section1={{Chembox Identifiers

| CASNo_Ref = {{cascite|correct|CAS}}

| CASNo = 491-35-0

| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}

| ChEMBL_Ref = {{ebicite|correct|EBI}}

| ChEMBL = 9734

| ChemSpiderID = 13854818

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

| UNII = 116169T3O8

| ChEBI_Ref = {{ebicite|correct|EBI}}

| ChEBI = 48983

| PubChem = 10285

| EC_number = 207-734-2

| Beilstein = 110926

| SMILES = Cc1ccnc2ccccc12

| StdInChI_Ref = {{stdinchicite|correct|chemspider}}

| StdInChI =1S/C10H9N/c1-8-6-7-11-10-5-3-2-4-9(8)10/h2-7H,1H3

| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}

| StdInChIKey = MUDSDYNRBDKLGK-UHFFFAOYSA-N

}}

|Section2={{Chembox Properties

| Formula = C₁₀H₉N

| MolarMass = 143.19 g/mol

| Appearance = Colorless or yellow liquid

| Density = 1.083 g/ml

| MeltingPtC = 9 to 10

| MeltingPt_notes =

| BoilingPtC = 261 to 263

| BoilingPt_notes =

}}

}}

Lepidine, or 4-methylquinoline, is a heterocyclic aromatic organic compound. Its methyl group is fairly acidic, allowing for condensations to occur at this position, especially when the nitrogen is quaternized. It is used in the preparation of certain dyes.