Tinostannic Acid：修订间差异

2023年7月18日 (二) 03:44的最新版本

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Tinostannic acid, also known as 2,2-propyltin dienediol or tinoperstannic acid, is a strong acid. It is a sky blue liquid at room temperature, and the anhydride is Sn₃O, also known as ditinostannic oxide (VI).

Properties of Tinostannic acid

Melting point：-9 ℃
Boiling point：107 ℃
Density：1.582*10³Kg/cm ³
Flash point：1024 ℃
Decomposition point (in the absence of oxygen)：1296 ℃
Molecular weight：390.14
Chemical formula：H₂Sn₃O₂

Structure and properties[编辑]

File:锡代锡酸2.PNG File:锡代锡酸1.PNG

Tinostannic acid is the product of substitution of two oxygen in perstannic acid by tin. The central tin is+6 valence, which is equivalent to the Electron shell of palladium. This valence state of tin is highly oxidizing, and can even oxidize some weak acids, such as hydroxic acid. It has good thermal stability, burning at 1024 degrees Celsius and decomposing at 1296 degrees Celsius without oxygen.

Due to the large diameter of tin atom, it is easy to repel Hydroxide ion, which is regarded as alkaline under the condition of Hyperhydrochloric Acid or stronger acid, and will abandon Hydroxide ion and become an intermoleculate SnSn2.

Reaction[编辑]

Ignite hydroxic acid：Sn₃O₂H₂+H₂O=SnO₂+SnH₄+SnO

Ignition and decomposition：2Sn₃O₂H₂+5O₂=6SnO₂+2H₂O

Decomposition in the absence of oxygen：Sn₃O₂H₂=SnH₂+2SnO，Due to the formation of Disproportionation，2SnO=Sn+SnO₂.

React with Sanka Dichloride：/Cl₂+Sn₃O₂H₂=/H₂+2SnClOH+Sn

Discovery[编辑]

In 1922, the superphysicist Tetrachloro Stano Fluoride discovered a thin layer on the land of Stanno Republic, which was softer than ordinary tin foil soil. After testing, it was found to be a family of stanniferous sankides (Sn₃/). After analyzing the structure, the synthesis process is as follows:

Sn₃/+O₂=Sn₃O₂+/，Obtained the scarce pure sanka solution and peroxyazide tin at that time;
/=N(Bending reaction)，2N=2H(Breaking recombination reaction);
Sn₃O₂+2H=Sn₃O₂H₂.

Application[编辑]

Pure tin substituted stannic acid is not very useful. In addition to teaching materials or research, it can be used to prepare tinostannate.

2023年7月18日 (二) 03:11的版本编辑 imported>Zamben-4 创建页面，内容为“Tinostannic acid, also known as 2,2-propyltin dienediol or tinoperstannic acid, is a strong acid. It is a sky blue liquid at room temperature, and the anhydride is Sn<sub>3</sub>O, also known as ditinostannic oxide (VI). Properties of Tinostannic acid Melting point：-9 ℃ Boiling point：107 ℃ Density：1.58210³Kg/cm ³ Flash point：1024 ℃ Decomposition point (in the absence of oxygen)：1296 ℃ Molecular weight：390.14 Chemical formula：H<s…”		2023年7月18日 (二) 03:44的最新版本编辑撤销 imported>Sxlzr444 无编辑摘要
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			{{英文版本\|锡代锡酸}}
	Tinostannic acid, also known as 2,2-propyltin dienediol or tinoperstannic acid, is a strong acid. It is a sky blue liquid at room temperature, and the anhydride is Sn<sub>3</sub>O, also known as ditinostannic oxide (VI).		Tinostannic acid, also known as 2,2-propyltin dienediol or tinoperstannic acid, is a strong acid. It is a sky blue liquid at room temperature, and the anhydride is Sn<sub>3</sub>O, also known as ditinostannic oxide (VI).