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Hypophosphoric acid is a mineral acid with the formula H4P2O6, with phosphorus in a formal oxidation state of +4. In the solid state it is present as the dihydrate, H4P2O6·2H2O. In hypophosphoric acid the phosphorus atoms are identical and joined directly with a P−P bond. Isohypophosphoric acid is a structural isomer of hypophosphoric acid in which one phosphorus has a hydrogen directedly bonded to it and that phosphorus atom is linked to the other one by an oxygen bridge to give a phosphorous acid/phosphoric acid mixed anhydride. The two phosphorus atoms are in the +3 and +5 oxidation states, respectively.

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dbo:abstract
  • حمض الهيبوفوسفوريك هو حمض أكسجيني للفوسفور صيغته H4P2O6، ويوجد على شكل صلب بلوري أبيض اللون، وهو يوجد غالباً على شكل ثنائي هيدرات H4P2O6·2H2O. يطلق على أملاح هذا الحمض اسم هيبوفوسفات. (ar)
  • Hypophosphoric acid is a mineral acid with the formula H4P2O6, with phosphorus in a formal oxidation state of +4. In the solid state it is present as the dihydrate, H4P2O6·2H2O. In hypophosphoric acid the phosphorus atoms are identical and joined directly with a P−P bond. Isohypophosphoric acid is a structural isomer of hypophosphoric acid in which one phosphorus has a hydrogen directedly bonded to it and that phosphorus atom is linked to the other one by an oxygen bridge to give a phosphorous acid/phosphoric acid mixed anhydride. The two phosphorus atoms are in the +3 and +5 oxidation states, respectively. (en)
  • L'acide hypophosphorique (H4P2O6) est un tétracide semblable à l'acide pyrophosphorique (H4P2O7). Cet acide minéral a la particularité d'être un dimère (H2PO3)2, contenant une liaison directe entre deux atomes de phosphore voisins ; cette dernière caractéristique confère à ce composé une force de liaison plus importante que les acides du phosphore contenant une liaison (P-O-P), générant une meilleure stabilité en milieu aqueux (hydrolyse plus lente). (fr)
  • 하이포인산(영어: hypophosphoric acid) 또는 차인산(次燐酸)은 산화수가 +4인 인을 가지고 있는 화학식이 H4P2O6인 무기산이다. 고체 상태에서는 이수화물인 H4P2O6·2H2O로 존재한다. 하이포인산에서 인 원자는 동일하며 P−P 결합으로 직접 연결된다. 아이소하이포인산(영어: isohypophosphoric acid)은 한 개의 인에 수소가 직접 결합되어 있고, 그 인 원자가 산소 다리에 의해 다른 하나와 연결되어 아인산/인산 혼합 무수물을 생성하는 하이포인산의 구조 이성질체이다. 두 개의 인 원자는 각각 +3 및 +5의 산화수를 갖는다. (ko)
  • Фосфорноватая кислота — неорганическое соединение, четырёхосновная кислота с формулой H4P2O6, бесцветные кристаллы, растворяется в холодной воде с медленным разложением, образует кристаллогидраты. (ru)
  • 连二磷酸(英语:Hypophosphoric acid),化学式H4P2O6,是一种无机酸,其中磷的氧化数为+4,故具有还原性。其固体多以二水合物(H4P2O6·2H2O)形式存在。在连二磷酸分子中,两个磷原子是等价的,它们通过P-P键直接相连。它在室温下会转化为其互变异构体连二磷(Ⅲ,Ⅴ)酸(isohypophosphoric acid),这个分子的结构是一个磷原子与氢原子直接相连,氧化数为+3,而两个磷原子之间形成P-O-P键,因此另一个磷原子的氧化数为+5。连二磷(Ⅳ)酸和连二磷(Ⅲ,Ⅴ)酸在室温下都会歧化。 连二磷酸是,可以解离出四个氫正離子。 (zh)
dbo:alternativeName
  • Diphosphoric acid (en)
dbo:iupacName
  • Hypodiphosphoric acid (en)
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  • 41325397 (xsd:integer)
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  • 6467 (xsd:nonNegativeInteger)
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  • 992186373 (xsd:integer)
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  • Hypophosphoric acid.svg (en)
dbp:iupacname
  • Hypodiphosphoric acid (en)
dbp:othernames
  • Diphosphoric acid (en)
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  • حمض الهيبوفوسفوريك هو حمض أكسجيني للفوسفور صيغته H4P2O6، ويوجد على شكل صلب بلوري أبيض اللون، وهو يوجد غالباً على شكل ثنائي هيدرات H4P2O6·2H2O. يطلق على أملاح هذا الحمض اسم هيبوفوسفات. (ar)
  • Hypophosphoric acid is a mineral acid with the formula H4P2O6, with phosphorus in a formal oxidation state of +4. In the solid state it is present as the dihydrate, H4P2O6·2H2O. In hypophosphoric acid the phosphorus atoms are identical and joined directly with a P−P bond. Isohypophosphoric acid is a structural isomer of hypophosphoric acid in which one phosphorus has a hydrogen directedly bonded to it and that phosphorus atom is linked to the other one by an oxygen bridge to give a phosphorous acid/phosphoric acid mixed anhydride. The two phosphorus atoms are in the +3 and +5 oxidation states, respectively. (en)
  • L'acide hypophosphorique (H4P2O6) est un tétracide semblable à l'acide pyrophosphorique (H4P2O7). Cet acide minéral a la particularité d'être un dimère (H2PO3)2, contenant une liaison directe entre deux atomes de phosphore voisins ; cette dernière caractéristique confère à ce composé une force de liaison plus importante que les acides du phosphore contenant une liaison (P-O-P), générant une meilleure stabilité en milieu aqueux (hydrolyse plus lente). (fr)
  • 하이포인산(영어: hypophosphoric acid) 또는 차인산(次燐酸)은 산화수가 +4인 인을 가지고 있는 화학식이 H4P2O6인 무기산이다. 고체 상태에서는 이수화물인 H4P2O6·2H2O로 존재한다. 하이포인산에서 인 원자는 동일하며 P−P 결합으로 직접 연결된다. 아이소하이포인산(영어: isohypophosphoric acid)은 한 개의 인에 수소가 직접 결합되어 있고, 그 인 원자가 산소 다리에 의해 다른 하나와 연결되어 아인산/인산 혼합 무수물을 생성하는 하이포인산의 구조 이성질체이다. 두 개의 인 원자는 각각 +3 및 +5의 산화수를 갖는다. (ko)
  • Фосфорноватая кислота — неорганическое соединение, четырёхосновная кислота с формулой H4P2O6, бесцветные кристаллы, растворяется в холодной воде с медленным разложением, образует кристаллогидраты. (ru)
  • 连二磷酸(英语:Hypophosphoric acid),化学式H4P2O6,是一种无机酸,其中磷的氧化数为+4,故具有还原性。其固体多以二水合物(H4P2O6·2H2O)形式存在。在连二磷酸分子中,两个磷原子是等价的,它们通过P-P键直接相连。它在室温下会转化为其互变异构体连二磷(Ⅲ,Ⅴ)酸(isohypophosphoric acid),这个分子的结构是一个磷原子与氢原子直接相连,氧化数为+3,而两个磷原子之间形成P-O-P键,因此另一个磷原子的氧化数为+5。连二磷(Ⅳ)酸和连二磷(Ⅲ,Ⅴ)酸在室温下都会歧化。 连二磷酸是,可以解离出四个氫正離子。 (zh)
rdfs:label
  • حمض الهيبوفوسفوريك (ar)
  • Hypophosphoric acid (en)
  • Acide hypophosphorique (fr)
  • 하이포인산 (ko)
  • Фосфорноватая кислота (ru)
  • 连二磷酸 (zh)
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