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Ace K

Acesulfame potassium
Acesulfame potassium
Ball-and-stick model of acesulfame potassium
Names
IUPAC name
Potassium 6-methyl-2,2-dioxo-2H-1,2λ6,3-oxathiazin-4-olate
Other names
Acesulfame K; Ace K
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.054.269
EC Number 259-715-3
E number E950 (glazing agents, ...)
PubChem CID
UNII
Properties
C4H4KNO4S
Molar mass 201.242
Appearance white crystalline powder
Density 1.81 g/cm3
Melting point 225 °C (437 °F; 498 K)
270 g/L at 20 °C
Hazards
NFPA 704
Flammability code 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g., canola oil Health code 1: Exposure would cause irritation but only minor residual injury. E.g., turpentine Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
No  (what is YesYNo ?)
Infobox references

Acesulfame potassium (/ˌeɪsiːˈsʌlfeɪm/ AY-see-SUL-faym), also known as acesulfame K (K is the symbol for potassium) or Ace K, is a calorie-free sugar substitute (artificial sweetener) often marketed under the trade names Sunett and Sweet One. In the European Union, it is known under the E number (additive code) E950. It was discovered accidentally in 1967 by German chemist Karl Clauss at Hoechst AG (now Nutrinova). In chemical structure, acesulfame potassium is the potassium salt of 6-methyl-1,2,3-oxathiazine-4(3H)-one 2,2-dioxide. It is a white crystalline powder with molecular formula C
4H
4KNO
4S and a molecular weight of 201.24 g/mol.

Acesulfame K is 200 times sweeter than sucrose (common sugar), as sweet as aspartame, about two-thirds as sweet as saccharin, and one-third as sweet as sucralose. Like saccharin, it has a slightly bitter aftertaste, especially at high concentrations. Kraft Foods patented the use of sodium ferulate to mask acesulfame's aftertaste. Acesulfame K is often blended with other sweeteners (usually sucralose or aspartame). These blends are reputed to give a more sucrose-like taste whereby each sweetener masks the other's aftertaste, or exhibits a synergistic effect by which the blend is sweeter than its components. Acesulfame potassium has a smaller particle size than sucrose, allowing for its mixtures with other sweeteners to be more uniform.


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