Malvin

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Structural formula
Structure of Malvin
Structural formula of the cation (without counter anion)
General
Surname Malvin
Molecular formula C 29 H 35 ClO 17
Brief description

red-brown, greenish shimmering prisms

External identifiers / databases
CAS number 16727-30-3 ( chloride )
EC number 240-785-9
ECHA InfoCard 100.037.063
PubChem 441765
ChemSpider 390365
Wikidata Q137532
properties
Molar mass
  • 655.58 g mol −1 (cation)
  • 691.03 g mol −1 (chloride)
Physical state

firmly

Melting point

165 ° C (decomposition)

solubility

soluble in ethanol

safety instructions
GHS labeling of hazardous substances
no GHS pictograms
H and P phrases H: no H-phrases
P: no P-phrases
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Malvin is a red to blue dye from the group of anthocyanins that occurs in plants . The di glucoside is composed of the aglycon malvidin and two D - glucose molecules .

Occurrence

Wild mallow ( Malva sylvestris )

The names Malvin and Malvidin were derived from their occurrence in mallows such as Malva sylvestris . Malvin is also found in the flowers of other plants such as primroses and rhododendron species. The compound can be isolated from soybeans and grape skins.

Individual evidence

  1. a b c Entry on malvidin chloride. In: Römpp Online . Georg Thieme Verlag, accessed on February 7, 2019.
  2. a b Datasheet Malvin (chloride) from Sigma-Aldrich , accessed on February 7, 2019 ( PDF ).
  3. Wissenschaft-Online-Lexika: Entry on Malvidin in the Lexikon der Biologie , accessed on January 7, 2009.
  4. JA Joule, K. Mills: Heterocyclic Chemistry. , P. 173, Blackwell Publishing, 2000, ISBN 978-0-632-05453-4 .
  5. Keen et al. Phytochemistry 11 (1972) pp. 1031-1038.
  6. Bockian et al. J Agric Food Chem . 3 (1955) p. 695.