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Acesulfame potassium

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 Edit this at Wikidata
EC Number
  • 259-715-3
E number E950 (glazing agents, ...)
UNII
  • InChI=1S/C4H5NO4S.K/c1-3-2-4(6)5-10(7,8)9-3;/h2H,1H3,(H,5,6);/q;+1/p-1 ☒N
    Key: WBZFUFAFFUEMEI-UHFFFAOYSA-M ☒N
  • InChI=1/C4H5NO4S.K/c1-3-2-4(6)5-10(7,8)9-3;/h2H,1H3,(H,5,6);/q;+1/p-1
    Key: WBZFUFAFFUEMEI-REWHXWOFAT
  • [K+].C\C1=C\C(=O)[N-]S(=O)(=O)O1
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 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1
1
0
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Acesulfame potassium (UK: /æsɪˈsʌlfeɪm/,[1] US: /ˌeɪsiːˈsʌlfeɪm/ AY-see-SUL-faym[2] or /ˌæsəˈsʌlfeɪm/[1]), also known as acesulfame K (K is the symbol for potassium) or Ace K, is a synthetic 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.[3] It was discovered accidentally in 1967 by German chemist Karl Clauss at Hoechst AG (now Nutrinova).[4] 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.[5]

  1. ^ a b "acesulfame". Oxford English Dictionary. OED. Retrieved 24 July 2022.
  2. ^ "acesulfame–K". Merriam-Webster. Archived from the original on 10 March 2017. Retrieved 31 January 2017.
  3. ^ "Current EU approved additives and their E Numbers". UK: Food Standards Agency. 2012-03-14. Archived from the original on 2013-08-21. Retrieved 2012-08-07.
  4. ^ Clauss, K., Jensen, H. (1973). "Oxathiazinone Dioxides - A New Group of Sweetening Agents". Angewandte Chemie International Edition. 12 (11): 869–876. doi:10.1002/anie.197308691.
  5. ^ Ager, D. J., Pantaleone, D. P., Henderson, S. A., Katritzky, A. R., Prakash, I., Walters, D. E. (1998). "Commercial, Synthetic Nonnutritive Sweeteners" (PDF). Angewandte Chemie International Edition. 37 (13–14): 1802–1817. doi:10.1002/(SICI)1521-3773(19980803)37:13/14<1802::AID-ANIE1802>3.0.CO;2-9. Archived from the original (PDF) on 2008-09-10.

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