Difference between revisions of "Dihydroxialumini sodium carbonate"

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{{Wikipedia|Dihydroxialumini sodium carbonate}}
 
{{Wikipedia|Dihydroxialumini sodium carbonate}}
 
*[http://www.newdruginfo.com/pharmacopeia/usp28/v28230/usp28nf23s0_m26270.htm Dihydroxyaluminum sodium carbonate] in the ''[[United States Pharmacopeia]]'' (28th ed.)
 
*[http://www.newdruginfo.com/pharmacopeia/usp28/v28230/usp28nf23s0_m26270.htm Dihydroxyaluminum sodium carbonate] in the ''[[United States Pharmacopeia]]'' (28th ed.)
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*{{EHC|194|name=Aluminium}}
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*{{HSDB|name=Aluminum compounds}}
  
 
[[Category:Aluminium compounds]]
 
[[Category:Aluminium compounds]]

Revision as of 14:50, 6 December 2009

Dihydroxyaluminium sodium carbonate (general)
IUPAC name Dihydroxidoaluminium(1+) sodium carbonate
Identifiers
InChI InChI=1/CH2O3.Al.Na.2H2O/c2-1(3)4;;;;/h(H2,2,3,4);;;2*1H2/q;+3;+1 ​;;/p-4/rCH2O3.AlH2O2.Na/c2-1(3)4;2-1-3;/h(H2,2,3,4);2-3H;/q;2*+1/​p-2
InChIKey SEIGJEJVIMIXIU-GRHVGONVAA
Standard InChI InChI=1S/CH2O3.Al.Na.2H2O/c2-1(3)4;;;;/h(H2,2,3,4);;;2*1H2/q;+3;+​1;;/p-4
Standard InChIKey SEIGJEJVIMIXIU-UHFFFAOYSA-J
CAS number [16482-55-6]
EC number 240-536-4
ChemSpider 11347551
Properties
Chemical formula [Al(OH)2]Na(CO3)
Molar mass 143.99 g/mol
Hazards
EU index number not listed
Flash point non-flammable
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Sodium carbonatodihydroxidoaluminate(1−)
IUPAC name Sodium carbonatodihydroxidoaluminate(1−)
Identifiers
CAS number [12011-77-7]
EC number 234-567-2
Properties
Chemical formula Na[Al(CO3)(OH)2]
Molar mass 143.99 g/mol
Hazards
EU index number not listed
Flash point non-flammable
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Dihydroxialumini sodium carbonate (INN) or dihydroxyaluminum sodium carbonate (USAN) is a basic carbonate of aluminium and sodium, used as an antacid. It is prepared by the reaction of an aluminium salt with excess sodium carbonate in the presence of sodium hydroxide at pH 7.2–10.5.[1] It also occurs naturally as the mineral dawsonite.[2]

The mineral form has six-coordinate aluminium (four hydroxide ions and two trans carbonate ions) and six-coordinate sodium (four carbonate ions and two trans hydroxide ions).[3]

References

  1. ↑ Kaufman, Jeffrey L. (Nicholas Pty. Ltd.) Preparation of dihydroxyaluminium sodium carbonate. US Patent 4438085, issued 20 March 1984.
  2. ↑ Dawsonite, <http://webmineral.com/data/Dawsonite.shtml> (accessed 6 December 2009), WebMineral.com. Dawsonite, <http://www.mindat.org/show.php?id=1240> (accessed 6 December 2009), MinDat.org.
  3. ↑ Frueh, A. J.; Golightly, J. P. The crystal structure of dawsonite NaAl(CO3)(OH)2. Canadian Mineralogist 1967, 9 (1), 51–56.

Further reading

External links

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