See also

• Phosphine
  Phosphine
  Phosphine is the compound with the chemical formula PH3. It is a colorless, flammable, toxic gas. Pure phosphine is odourless, but technical grade samples have a highly unpleasant odor like garlic or rotting fish, due to the presence of substituted phosphine and diphosphine...
  
   - PR₃
• Phosphine oxide
  Phosphine oxide
  Phosphine oxides are either inorganic phosphorus compounds such as phosphoryl trichloride or organophosphorus compounds with the formula OPR3, where R = alkyl or aryl...
  
   - OPR₃
• Phosphinite
  Phosphinite
  Phosphinites are organophosphorus compounds with the formula PR2. They are esters of phosphinous acid.-See also:*Phosphine - PR3*Phosphine oxide - OPR3*Phosphonite - P2R*Phosphite - P3*Phosphinate - OPR2*Phosphonate - OP2R...
  
   - P(OR)R₂
• Phosphonite
  Phosphonite
  Phosphonites are organophosphorus compounds with the formula P2R. They are derivivatives of phosphonous acid.- See also :*Phosphine - PR3*Phosphine oxide - OPR3*Phosphinite - PR2*Phosphinate - OPR2...
  
   - P(OR)₂R
• Phosphite
  Phosphite
  A phosphite is a salt of phosphorous acid. The phosphite ion is a polyatomic ion with a phosphorus central atom where phosphorus has an oxidation state of +3...
  
   - P(OR)₃
• Phosphonate
  Phosphonate
  Phosphonates or phosphonic acids are organic compounds containing C-PO2 or C-PO2 groups . Bisphosphonates were first synthesized in 1897 by Von Baeyer and Hofmann. An example of such a bisphosphonate is HEDP . Since the work of Schwarzenbach in 1949, phosphonic acids are known as effective...
  
   - OP(OR)₂R
• Phosphate
  Phosphate
  A phosphate, an inorganic chemical, is a salt of phosphoric acid. In organic chemistry, a phosphate, or organophosphate, is an ester of phosphoric acid. Organic phosphates are important in biochemistry and biogeochemistry or ecology. Inorganic phosphates are mined to obtain phosphorus for use in...
  
  - OP(OR)₃