Polysorbate 65

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Structural formula
Structure of polysorbate 65 w + x + y + z = 20
Structure of polysorbate 65
w + x + y + z = 20
General
Surname Polysorbate 65
other names
  • Tween® 65 ( trade name )
  • Polyoxyethylene (20) sorbitan tristearate ( IUPAC )
  • E  436
Molecular formula C 100 H 194 O 28 (approx.)
Brief description

solid, light yellow substance

External identifiers / databases
CAS number 9005-71-4
EC number 618-424-5
ECHA InfoCard 100.108.708
Wikidata Q2103107
properties
Molar mass 1884.6 g mol −1 (approximate)
Physical state

firmly

Melting point

30 - 35 ° C

solubility

soluble in alcohol and fats

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 .

Polysorbate 65 is a surface-active substance that is used as an emulsifier and wetting agent in foods, for example.

properties

Polysorbate 65 is an artificially produced surfactant , which has an HLB value of 10.5 and is therefore suitable for the production of water-in-oil emulsions . Polysorbate 65 is biodegradable.

use

Polysorbate 65 is approved in the EU as a food additive with the number E 436 for certain foods in quantities of up to five grams per kilogram or up to ten grams per kilogram in baking fats. The permitted daily dose is 10 milligrams per kilogram of body weight for all polysorbates combined.

Manufacturing

Polysorbate 65 is produced by reacting an anhydride of sorbitol (a so-called sorbitan - 1,4- sorbitol anhydride; structural formula see sorbitan fatty acid ester ) with ethylene oxide and subsequent esterification with stearic acid .

See also

Other representatives from the group of polysorbates are:

Individual evidence

  1. ↑ Entry on E 436: Polyoxyethylene sorbitan tristearate (polysorbate 65) in the European database for food additives, accessed on June 27, 2020.
  2. ↑ a b c d F. von Bruchhausen (Ed.), G. Dannhardt, S. Ebel et al .: Hager's Handbook of Pharmaceutical Practice. Volume 9: fabrics PZ, 5th edition, Springer, Berlin 1993, p. 289 ff.
  3. ↑ R. Ebermann, I. Elmadfa: Textbook food chemistry and nutrition. Springer, Vienna 2008, p. 643 ff.
  4. ↑ a b TWEEN ® 65 data sheet from Sigma-Aldrich , accessed on February 24, 2013 ( PDF ). , Warning - substance not yet fully tested.
  5. ↑ zusatzstoffe-online.de: E436 , accessed on 8 November 2011th