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more general categories information about this item 08. Chemical Category 08. Chemical Category main group molecular entity [CHEBI:33579] (25650) s-block molecular entity [CHEBI:33674] (7287) hydrogen molecular entity [CHEBI:33608] (6932) hydroxides [CHEBI:24651] (5641) oxoacid [CHEBI:24833] (3119) pnictogen oxoacid [CHEBI:33408] (39) phosphorus oxoacid [CHEBI:33457] (16) phosphinic acid [CHEBI:29031] (1) p-block molecular entity [CHEBI:33675] (25343) pnictogen molecular entity [CHEBI:33302] (10027) phosphorus molecular entity [CHEBI:26082] (2769) phosphorus oxoacids and derivatives [CHEBI:36360] (2691) phosphinic acids [CHEBI:26044] (7) phosphinic acid [CHEBI:29031] (1) phosphorus oxoacid [CHEBI:33457] (16) phosphinic acid [CHEBI:29031] (1) pnictogen oxoacid [CHEBI:33408] (39) phosphorus oxoacid [CHEBI:33457] (16) phosphinic acid [CHEBI:29031] (1) chalcogen molecular entity [CHEBI:33304] (15225) oxygen molecular entity [CHEBI:25806] (14414) hydroxides [CHEBI:24651] (5641) oxoacid [CHEBI:24833] (3119) pnictogen oxoacid [CHEBI:33408] (39) phosphorus oxoacid [CHEBI:33457] (16) phosphinic acid [CHEBI:29031] (1) polyatomic entity [CHEBI:36357] (18777) heteroatomic molecular entity [CHEBI:37577] (13672) hydroxides [CHEBI:24651] (5641) oxoacid [CHEBI:24833] (3119) pnictogen oxoacid [CHEBI:33408] (39) phosphorus oxoacid [CHEBI:33457] (16) phosphinic acid [CHEBI:29031] (1) 09. Chemical Capabilities 09. Chemical Capabilities antioxidant [CHEBI:22586] (199) phosphinic acid [CHEBI:29031] (1) ChEBI Compound Accession Identifier: [CHEBI:29031] ChEBI Compound Description: A phosphorus oxoacid that consists of a single pentavalent phosphorus covalently bound via single bonds to two hydrogens and a hydroxy group and via a double bond to an oxygen. The parent of the class of phosphinic acids. ChEBI Compound Identification Number: 29031 ChEBI InChI Value: InChI=1S/H3O2P/c1-3-2/h3H2,(H,1,2) ChEBI InChIKey Value: ACVYVLVWPXVTIT-UHFFFAOYSA-N ChEBI Compound Name: phosphinic acid ChEBI SMILES Value: [H]OP([H])([H])=O ChEBI Substance ID: 11533206 ChEBI URL: ChEBI:29031 ChemSpider ID: 10449263 Ontomatica Chemical Accession Key (OnChAKey): ACVYVLVWPXVTIT_UHFFFAOYSA_N_000_000000 PubChem Compound ID: 6326996