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Ceisio trosi Chembox o Wikipedia (en)
{{Chembox
| Watchedfields = changed
| verifiedrevid = 458267616
| ImageFile1 =Phosphat-Ion.svg
| ImageFile1_Ref = {{chemboximage|correct|??}}
| ImageSize1 = 140
| ImageName1 = Stereo skeletal formula of phosphate
| ImageFileL1 = Phosphate-3D-balls.png
| ImageFileL1_Ref = {{chemboximage|correct|??}}
| ImageNameL1 = Aromatic ball and stick model of phosphate
| ImageFileR1 = Phosphate-3D-vdW.png
| ImageFileR1_Ref = {{chemboximage|correct|??}}
| ImageNameR1 = Space-filling model of phosphate
| SystematicName = Phosphate<ref>{{cite web|title = Phosphates – PubChem Public Chemical Database|url = http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=1061&loc=ec_rcs|work = The PubChem Project|location = USA|publisher = National Center of Biotechnology Information}}</ref>
|Section1={{Chembox Identifiers
| CASNo = 14265-44-2
| CASNo_Ref = {{cascite|correct|CAS}}
| PubChem = 1061
| ChemSpiderID = 1032
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| MeSHName = Phosphates
| ChEBI_Ref = {{ebicite|correct|EBI}}
| ChEBI = 18367
| ChEMBL =
| ChEMBL_Ref =
| Beilstein = 3903772
| Gmelin = 1997
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = NK08V8K8HR
| SMILES = [O-]P([O-])([O-])=O
| SMILES1 = [O-]P(=O)([O-])[O-]
| SMILES2 = O=P([O-])([O-])[O-]
| StdInChI = 1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-3
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = NBIIXXVUZAFLBC-UHFFFAOYSA-K
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
}}
|Section2={{Chembox Properties
| Formula = {{chem|PO|4|3−}}
| MolarMass = 94.9714 g mol<sup>−1</sup>
}}
}}
 
 
 
 
Cemegyn ac ion anorganig yw '''ffosffad''' (PO<sub>4</sub><sup>3-</sup>).Halen asid ffosfforig. Mewn cemeg organig gall ffurfio esterau a chyfansoddion eraill. Mae esterau (ac anhydradau asid) ffosffad yn bwysig iawn mewn biocemeg a gweithgaredd cemegol bywyd. 
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