:Copper(II) selenite

{{Chembox|IUPACName=Copper(II) selenite

|Section1={{Chembox Identifiers

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

| CASNo = 10214-40-1

| CASNo1_Ref = {{cascite|correct|CAS}}

| CASNo1 = 15168-20-4

| CASNo1_Comment =(dihydrate)

| PubChem = 160923

| PubChem_Comment = anhydrous

| PubChem1 =71317452

| PubChem1_Comment = monohydrate

| PubChem2 = 24884280

| PubChem2_Comment = dihydrate

| EC_number = 233-526-6

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

| UNII = G2Y4101Z3O

| UNII1_Ref = {{fdacite|correct|FDA}}

| UNII1 = B084V60QBP

| UNII1_Comment = (dihydrate)

| ChemSpiderID2 = 21241696

| ChemSpiderID2_Comment = dihydrate

| InChI=1S/Cu.H2O3Se/c;1-4(2)3/h;(H2,1,2,3)/q+2;/p-2

| InChIKey = JNRBLFVQPTZFAG-UHFFFAOYSA-L

| SMILES = [O-][Se](=O)[O-].[Cu+2]

}}

|Section2={{Chembox Properties

| Appearance = Blue{{Cite web |url=http://www.sigmaaldrich.com/catalog/product/aldrich/258199?lang=en®ion=US|title=Copper(II) selenite |publisher=Sigma-Aldrich |access-date=}}

| SolubleOther = Insoluble in water
Slightly soluble in benzene and acids

}}

|Section7={{Chembox Hazards

| GHSPictograms = {{GHS06}}{{GHS08}}{{GHS09}}

| GHSSignalWord = Danger

| HPhrases = {{H-phrases|301|331|371|410}}

| PPhrases = {{P-phrases|260|261|264|270|271|273|301+310|304+340|311|314|321|330|391|403+233|405|501}}

}}

|OtherNames=Copper selenite dihydrate}}

Copper(II) selenite is an inorganic salt frequently found as its dihydrate, CuSeO₃·2H₂O, in the form of a blue powder.{{Cite journal|date=November 1935|title=Copper Selenite as a catalyst in the Kjeldahl nitrogen determination|journal=Department of Chemistry, University of Wisconsin, Madison}}{{Cite web|url=http://www.sigmaaldrich.com/catalog/product/aldrich/258199?lang=en®ion=US |title=Sigma Aldrich - Copper(II) selenite dihydrate |access-date= }}