二磷酸（H3P2O7）是一种无色、具有强酸性的化合物，分子量为 98.99。 它是磷酸的一种衍生物，具有两个磷酸基团，因此在化学反应中表现出独特的性质。 1.反应物中至少含有一个磷酸基团。 2.反应物中需要有适当的亲核试剂，如醇、胺等。 3.反应需要在适当的温度和酸性环境下进行。 在化学领域，二磷酸作为一种重要的化合物，在许多化学反应中都发挥着重要的作用。 在二磷酸的众多反应中，缩合反应尤为重要。 本文将详细介绍二磷酸的缩合条件以及反应机理和应用。 1. …

Pyrophosphoric acid, also known as diphosphoric acid, is the inorganic compound with the formula H 4 P 2 O 7 or, more descriptively, [ (HO) 2 P (O)] 2 O. Colorless and odorless, it is soluble in water, diethyl ether, and ethyl alcohol. The anhydrous acid crystallizes in two polymorphs, which melt at 54.3 and 71.5 °C.

2020年9月21日 · NaHX3PX2OX7 N a H X 3 P X 2 O X 7 is an intermediate acid-salt formed during the neutralization of pyrophosphoric acid (HX4PX2OX7 H X 4 P X 2 O X 7) which becomes unstable as pH rises and leads to formation of trisodium diphosphate, NaX3HPX2OX7 N a …

2025年1月27日 · Pyrophosphoric acid forms acid salts, such as NaH3P2O7 and Na2H2P2O7. Pyrophosphoric acid, also known under the name diphosphoric acid, is colorless, odorless, hygroscopic and is soluble in water, diethyl ether and ethyl alcohol. It is produced from phosphoric acid by dehydration.

176.967 : 51.636 (Ref.: 97asho/sas) Shock, E.L., Sassani, D.C., Willis, M., and Sverjensky, D.A., 1997, Inorganic species in geologic fluids: Correlations among ...

Diphosphate, trihydrogen | H3O7P2- | CID 1058 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.

Pyrophosphoric acid forms acid salts, such as NaH3P2O7 and Na2H2P2O7. J & K SCIENTIFIC LTD. ChemicalBook provide information on the 2466-09-3: structure, uses, msds, molecular formula, cas, and suppliers.

There are 4 easy steps to find the molar mass of H3P2O7 based on its chemical formula. 1. Count The Number of Each Atom. The first step to finding the molar mass is to count the number of each atom present in a single molecule using the chemical formula, …

要计算化合物的摩尔质量，请输入其公式并单击“计算”。 在化学式中，你可以使用： 任何化学元素. 元素符号首字母大写，其余小写。 Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al. 括号 () 或方括号 []。 常见化合物的名称。 摩尔质量的计算举例： NaCl, Ca (OH)2, K4 [Fe (CN)6], CuSO4*5H2O, 硝酸, 高锰酸钾, 乙醇, 果糖, 咖啡因, 水. 摩尔质量计算器还显示常见的化合物名称、希尔公式、元素组成、质量百分比组成、原子百分比组成，并允许从重量转换为摩尔数，反之亦然。 要计算 …

2019年2月18日 · Phosphorous acid, HX3POX3 H X 3 P O X 3 (systematic IUPAC name is phosphonic acid), exists in two tautomeric forms: An one with tricoordinate about phosphorous (P(OH)X3) (P (O H) X 3); and another with tetracoordinate about phosphorous (HP(O)(OH)X2) (H P (O) (O H) X 2) (See Scheme below), which is the favored tautomer between two (Ref.2).