Bromid manganatý

Bromid manganatý
Vzhled bromidu manganatého
Vzhled bromidu manganatého
Obecné
Systematický názevBromid manganatý
Anglický názevManganese(II) bromide
Německý názevMangan(II) bromid
Sumární vzorecMnBr2
Vzhledrůžová krystalická látka
Identifikace
Registrační číslo CAS13446-03-2
10031-20-6 (tetrahydrát)
PubChem83471
Vlastnosti
Molární hmotnost214,746 g/mol (bezvodý)
286,807 g/mol (tetrahydrát)
Teplota tání698 °C (bezvodý)
64 °C (tetrahydrát)
Teplota varu1 027 °C
Hustota4,385 g/cm3
Struktura
Krystalová strukturakosočtverečná
Koordinační geometrieoktaedrická
Bezpečnost
Zdraví škodlivý
Zdraví škodlivý (Xn)
R-větyR20/21/22
S-větyS36
NFPA 704
0
1
1
Není-li uvedeno jinak, jsou použity
jednotky SI a STP (25 °C, 100 kPa).
Některá data mohou pocházet z datové položky.

Bromid manganatý je anorganická sloučenina se vzorcem MnBr2. Krystalizuje v bezvodé formě, nebo jako tetrahydrát.[1]

Připravuje se reakcí manganu nebo uhličitanu manganatého s kyselinou bromovodíkovou.[1]

Použití

Bromid manganatý se používá namísto palladia ve Stilleově reakci, která spojuje dva atomy uhlíku při použití organocínových sloučenin.[2]

Podobné sloučeniny

Reference

V tomto článku byl použit překlad textu z článku Manganese(II) bromide na anglické Wikipedii.


  1. ↑ a b GREENWOOD, Norman Neill. Chemie prvků. Sv. 1.. 1. vyd. vyd. Praha: Informatorium 793 s., 1 příl s. ISBN 80-85427-38-9, ISBN 978-80-85427-38-7. S. 1298–1302. 
  2. ↑ CEPANEC, Ivica. Synthesis of Biaryls. [s.l.]: Elseveir, 2004. Dostupné online. ISBN 0-08-044412-1. S. 104. 

Externí odkazy

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Bromidy s prvkem v oxidačním čísle II.
Bromid americiumnatý (AmBr2) • Bromid barnatý (BaBr2) • Bromid berylnatý (BeBr2) • Bromid vápenatý (CaBr2) • Bromid kademnatý (CdBr2) • Bromid kalifornatý (CfBr2) • Bromid kobaltnatý (CoBr2) • Bromid chromnatý (CrBr2) • Bromid měďnatý (CuBr2) • Bromid europnatý (EuBr2) • Bromid železnatý (FeBr2) • Bromid germanatý (GeBr2) • Bromid rtuťnatý (HgBr2) • Bromid hořečnatý (MgBr2) • Bromid manganatý (MnBr2) • Bromid molybdenatý (MoBr2) • Bromid nikelnatý (NiBr2) • Bromid olovnatý (PbBr2) • Bromid palladnatý (PdBr2) • Bromid platnatý (PtBr2) • Bromid radnatý (RaBr2) • Bromid ruthenatý (RuBr2) • Bromid sirnatý (SBr2) • Bromid selenatý (SeBr2) • Bromid tellurnatý (TeBr2) • Bromid polonatý (PoBr2) • Bromid samarnatý (SmBr2) • Bromid strontnatý (SrBr2) • Bromid cínatý (SnBr2) • Bromid titanatý (TiBr2) • Bromid vanadnatý (VBr2) • Bromid wolframnatý (WBr2) • Bromid ytterbnatý (YbBr2) • Bromid zinečnatý (ZnBr2)

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