Assertion: hypophosphorous acid | /r/HasProperty | h 3 po 2
Facets:
Source sentences:
text: Methyl and ethyl hypophosphites (MeOP(O)H 2 , EtOP(O)H 2 ) were first prepared by Kabachnik in 1960 by the esterification of hypophosphorous acid (H 3 PO 2 ) with diazoalkanes .
text: Phosphinic acid is a phosphorus oxyacid (monoprotic acid) and is also called hypophosphorous acid (H3PO2).
text: A mixture of hypophosphorous acid (H 3 PO 2 ) and iodine in hot acetic acid reduces diaryl ketones quickly and aryl alkyl ketones slowly to the corresponding methylene derivatives.
text: A mixture of hypophosphorous acid (H 3 PO 2 ) and iodine in acetic acid reduces a variety of substituted benzhydrols to the corresponding methylene derivatives in very high yields.
text: Hypophosphorous acid (H 3 PO 2 ) also known as phosphinic acid, is currently a staple article of commerce which is sold by various companies for purposes such as the manufacture of hypophosphite salts, as well as to prevent the discoloration of phosphate esters, in esterification catalysts, and for the manufacture of cooling water treatment chemicals.
text: In the invention, an effective amount of hypophosphorous acid (H 3 PO 2 ) is added to the effluent stream for stabilizing or eliminating the color of the para-cumylphenol product.
text: The electroylyte contains about 1-25 wt % hypophosphorous acid (H 3 PO 2 ), preferably about 3-15 wt %.
text: A 10 wt % solution of phosphoric acid (H 3 PO 4 ), an 8.5 wt % solution of phosphorous acid (H 3 PO 3 ), and a 7 wt % solution of hypophosphorous acid (H 3 PO 2 ) were used.
text: In the invention, an effective amount of hypophosphorous acid (H 3 PO 2 ) is added to the effluent stream for stabilizing or eliminating the color of the para-cumylphenol product.
text: The procedures involve atom-economical and environmentally friendly functionalization reactions of hypophosphorous acid (H 3 PO 2 ) and H-phosphinic acids
text: Hypophosphorous acid (H 3 PO 2 ) also known as phosphinic acid, is currently a staple article of commerce which is sold by various companies for purposes such as the manufacture of hypophosphite salts, as well as to prevent the discoloration of phosphate esters, in esterification catalysts, and for the manufacture of cooling water treatment chemicals.
text: In the process of this invention, the ground ferrophosphorus particles are treated by contact with an aqueous solution of hypophosphorous acid (H 3 PO 2 ).
text: The Applicant has especially observed that, surprisingly and expectedly, the use of hypophosphorous acid (H 3 PO 2 ) during the esterification reaction made it possible:
text: As emphasized previously, one main feature of the present invention is to make provision, during the esterification reaction, for the presence of hypophosphorous acid (H 3 PO 2 ).
text: TEST C5: same as TEST C1 except that the hypophosphorous acid (H 3 PO 2 ) was replaced (weight/weight) with phosphoric acid (H 3 PO 4 ) .
text: The Applicant has especially observed that, surprisingly and expectedly, the use of hypophosphorous acid (H 3 PO 2 ) during the esterification reaction made it possible:
text: As emphasized previously, one main feature of the present invention is to make provision, during the esterification reaction, for the presence of hypophosphorous acid (H 3 PO 2 ).
text: TEST C5: same as TEST C1 except that the hypophosphorous acid (H 3 PO 2 ) was replaced (weight/weight) with phosphoric acid (H 3 PO 4 ).
text: A variety of reaction mechanisms can occur in such a reaction system to produce a mixture of products including phosphorous (H 3 PO 3 ) and phosphoric acid (H 3 PO 4 ), hypophosphorous acid (H 3 PO 2 ), mono, di- and tri-alkylphosphites and phosphates.