Basic lead phosphite

Basic lead phosphite is an inorganic compound with the proposed composition Pb3O(OH)2(HPO3).[1] The compound contains the phosphite anion, which provides the reducing properties associated with the application of this material.

Basic lead phosphite
Names
Other names
basic lead phosphonite
Identifiers
3D model (JSmol)
  • InChI=1S/2HO3P.H2O.4O.6Pb/c2*1-4(2)3;;;;;;;;;;;/h2*1H;1H2;;;;;;;;;;/q2*-2;;;;;;;;;;2*+2
    Key: XTQIDVCLCLXOKX-UHFFFAOYSA-N
  • O.OP([O-])[O-].OP([O-])[O-].O=[Pb].O=[Pb].O=[Pb].O=[Pb].[Pb+2].[Pb+2]
Properties
H3O6PPb3
Molar mass 751.6 g·mol−1
Appearance white solid
Hazards
GHS labelling:
GHS02: FlammableGHS08: Health hazard
Danger
H228, H350, H360, H370, H372
P201, P202, P210, P240, P241, P260, P264, P270, P280, P281, P307+P311, P308+P313, P314, P321, P370+P378, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

It is widely used as a stabilizer for chlorine-containing polymers, especially polyvinylchloride.[2] Other lead phosphites are known, including normal lead phosphite, PbHPO3, although the basic salt is especially effective.[3]

References
  1. Grossman, Richard F.; Krausnick, Dale (1998). "The structure of lead stabilizers. 2: Basic salts of inorganic acids". Vinyl and Additive Technology. 4 (3): 179–181. doi:10.1002/vnl.10038. S2CID 95532627.
  2. Bettermann, Gerhard; Krause, Werner; Riess, Gerhard; Hofmann, Thomas (2000). "Phosphorus Compounds, Inorganic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a19_527..
  3. Song, Jun-Ling; Hu, Chun-Li; Xu, Xiang; Kong, Fang; Mao, Jiang-Gao (2015). "Synthesis, crystal structures and properties of lead phosphite compounds". Journal of Solid State Chemistry. 231: 198–203. doi:10.1016/j.jssc.2015.08.031.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.