Ammonium malate

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Structural formula
Structural formula of ammonium malate
General
Surname Ammonium malate
other names
  • Diammonium malate
  • E349
  • Diammonium 2-hydroxybutanedioate
Molecular formula C 4 H 12 N 2 O 5
External identifiers / databases
CAS number 6283-27-8
EC number 228-499-2
ECHA InfoCard 100.025.909
PubChem 14228674
Wikidata Q4747303
properties
Molar mass 168.15 g mol −1
density

1.64 g cm −3

safety instructions
GHS hazard labeling
no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Ammonium malate is a chemical compound from the group of malates , i.e. the ammonium salt of malic acid .

Extraction and presentation

Ammonium malate can be obtained by reacting malic acid with ammonia water.

properties

Ammonium malate is an organic chemical compound that exhibits non-linear optical behavior. The compound crystallizes in a non-centrosymmetrical monoclinic crystal system with the space group Cc (space group no. 9) . The lattice parameters are a = 863.81, b = 1372.98, c = 734.61 pm , α = 90 °, β = 120.5710 ° and γ = 90 °. Template: room group / 9

use

Ammonium malate is used as a food additive ( acidity regulator ). It is not approved in Europe or the USA.

Individual evidence

  1. ↑ Alfa Chemistry: diammonium malate - Alfa Chemistry , accessed on May 21, 2018th
  2. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
  3. ↑ a b G. Senthil Murugan, R. Perumal Ramasamy, P. Ramasamy, G. Bhagavannarayana: Characterization of <0 1 0> directed ammonium malate single crystals grown by Sankaranarayanan – Ramasamy method. In: Journal of Crystal Growth . 328, 2011, pp. 58-61, doi : 10.1016 / j.jcrysgro.2011.06.026 .
  4. ↑ G. Anandha babu, G. Bhagavannarayana, P. Ramasamy: Synthesis, crystal growth, structural, optical, thermal and mechanical properties of novel organic NLO material: Ammonium malate. In: Journal of Crystal Growth . 310, 2008, p. 1228, doi : 10.1016 / j.jcrysgro.2007.12.024 .
  5. ↑ FAO: Class names and the international numbering system for food additives , accessed on May 21, 2018
  6. ↑ UKEssays: Food Additives and Moldy Food Study , accessed May 21, 2018.