Methylammonium chloride

{{Chembox

| ImageFile = Methyl ammoniumchloride Structural formula V.1.svg

| Name = Methylammonium chloride

| IUPACName = Methylazanium chloride

| SystematicName = Methanaminium chloride

| OtherNames = {{unbulleted list|Methylamine hydrochloride}}

|Section1={{Chembox Identifiers

| CASNo = 593-51-1

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

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

| UNII = M439EX322K

| ChEBI = 59337

| EINECS = 209-795-0

| PubChem = 11637

| ChemSpiderID = 11147

| SMILES = C[NH3+].[Cl-]

| StdInChI = InChI=1S/CH5N.ClH/c1-2;/h2H2,1H3;1H

| StdInChIKey = NQMRYBIKMRVZLB-UHFFFAOYSA-N

}}

|Section2={{Chembox Properties

| Formula = CH₃NH₃Cl

| MolarMass = 67.51804 g/mol

| Appearance = White crystals {{cite web|title=Methylammonium chloride|url= https://www.greatcellsolarmaterials.com/methylammonium-chloride.html|website=Greatcell Solar Materials|access-date=10 April 2021}}

| Density =

| MeltingPt =

| BoilingPt =

| Solubility =

}}

|Section3={{Chembox Hazards

| Hazards_ref = {{cite web |title=GESTIS-Stoffdatenbank |url=https://gestis.dguv.de/data?name=021960 |website=gestis.dguv.de |access-date=11 March 2021}}

| GHSPictograms = {{GHS07}}

| GHSSignalWord = Warning

| HPhrases = {{H-phrases|302|315|319|335}}

| PPhrases = {{P-phrases|261|305+351+338}}

| MainHazards = irritant

| FlashPt =

| AutoignitionPt =

}}

}}

Methylammonium chloride in an organic halide with a formula of CH₃NH₃Cl. It is an ammonium salt composed of methylamine and hydrogen chloride. One potential application for the methylammonium halides is in the production of perovskite solar cells.{{cite journal|author=Li, Hangqian. |date=2016 |title=A modified sequential deposition method for fabrication of perovskite solar cells |journal=Solar Energy |volume=126 |pages=243–251 |doi=10.1016/j.solener.2015.12.045 |bibcode=2016SoEn..126..243L }}{{cite journal|author=Zhao, X. |date=2021 |title=Methylammonium Chloride reduces the bandgap width and trap densities for efficient perovskite photodetectors |journal=Journal of Materials Science |volume=56 |issue=15 |pages=9242–9253 |doi=10.1007/s10853-021-05840-2 |bibcode=2021JMatS..56.9242Z }} The methyl group and other hydrogen atoms are bonded covalently to the nitrogen, with the chloride bonded ionically.