<Table> Hypophosphorous acid <Tr> <Td_colspan="2"> <Table> <Tr> <Td> </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th_colspan="2"> Names </Th> </Tr> <Tr> <Td_colspan="2"> IUPAC name Phosphinic acid </Td> </Tr> <Tr> <Td_colspan="2"> Other names Hydroxy (oxo) - λ - phosphane <P> Hydroxy - λ - phosphanone Oxo - λ - phosphanol Oxo - λ - phosphinous acid </P> Phosphonous acid (for minor tautomer) </Td> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr> <Tr> <Td> CAS Number </Td> <Td> <Ul> <Li> 6303 - 21 - 5 </Li> <Li> 57583 - 56 - 9 (H) </Li> </Ul> </Td> </Tr> <Tr> <Td> 3D model (JSmol) </Td> <Td> <Ul> <Li> Interactive image </Li> </Ul> </Td> </Tr> <Tr> <Td> ChEBI </Td> <Td> <Ul> <Li> CHEBI: 29031 </Li> </Ul> </Td> </Tr> <Tr> <Td> ChEMBL </Td> <Td> <Ul> <Li> ChEMBL2105054 </Li> </Ul> </Td> </Tr> <Tr> <Td> ChemSpider </Td> <Td> <Ul> <Li> 10449263 </Li> <Li> 10459437 (O) </Li> <Li> 2342086 (H) </Li> </Ul> </Td> </Tr> <Tr> <Td> ECHA InfoCard </Td> <Td> 100.026. 001 </Td> </Tr> <Tr> <Td> KEGG </Td> <Td> <Ul> <Li> D02334 </Li> </Ul> </Td> </Tr> <Tr> <Td> PubChem CID </Td> <Td> <Ul> <Li> 3085127 (H) </Li> </Ul> </Td> </Tr> <Tr> <Td> UN number </Td> <Td> UN 3264 </Td> </Tr> <Tr> <Td_colspan="2"> InChI (show) <Ul> <Li> InChI = 1S / H3O2P / c1 - 3 - 2 / h3H2, (H, 1, 2) Key: ACVYVLVWPXVTIT - UHFFFAOYSA - N </Li> <Li> InChI = 1 / H3O2P / c1 - 3 - 2 / h3H2, (H, 1, 2) Key: ACVYVLVWPXVTIT - UHFFFAOYAQ </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> SMILES (show) <Ul> <Li> O = PO </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Properties </Th> </Tr> <Tr> <Td> Chemical formula </Td> <Td> H PO </Td> </Tr> <Tr> <Td> Molar mass </Td> <Td> 66.00 g / mol </Td> </Tr> <Tr> <Td> Appearance </Td> <Td> colorless, deliquescent crystals or oily liquid </Td> </Tr> <Tr> <Td> Density </Td> <Td> 1.493 g / cm <P> 1.22 g / cm (50 wt% aq . solution) </P> </Td> </Tr> <Tr> <Td> Melting point </Td> <Td> 26.5 ° C (79.7 ° F; 299.6 K) </Td> </Tr> <Tr> <Td> Boiling point </Td> <Td> 130 ° C (266 ° F; 403 K) decomposes </Td> </Tr> <Tr> <Td> Solubility in water </Td> <Td> miscible </Td> </Tr> <Tr> <Td> Solubility </Td> <Td> very soluble in alcohol, ether </Td> </Tr> <Tr> <Td> Acidity (pK) </Td> <Td> </Td> </Tr> <Tr> <Th_colspan="2"> Structure </Th> </Tr> <Tr> <Td> Molecular shape </Td> <Td> pseudo-tetrahedral </Td> </Tr> <Tr> <Th_colspan="2"> Hazards </Th> </Tr> <Tr> <Td> Safety data sheet </Td> <Td> JT Baker </Td> </Tr> <Tr> <Td> Flash point </Td> <Td> Non-flammable </Td> </Tr> <Tr> <Th_colspan="2"> Related compounds </Th> </Tr> <Tr> <Td> Related phosphorus oxoacids </Td> <Td> Phosphorous acid Phosphoric acid </Td> </Tr> <Tr> <Td> Related compounds </Td> <Td> Sodium hypophosphite Barium hypophosphite </Td> </Tr> <Tr> <Td_colspan="2"> Except where otherwise noted, data are given for materials in their standard state (at 25 ° C (77 ° F), 100 kPa). </Td> </Tr> <Tr> <Td_colspan="2"> N verify (what is?) </Td> </Tr> <Tr> <Td_colspan="2"> Infobox references </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> </Table> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> </Td> <Td> </Td> </Tr> </Table>

Write the structure of h 3 po 2