Specialty Additives Available — Bulk Only

Acesulfame Potassium (Acesulfame K, Ace-K)

CAS 55589-62-3 · Formula C4H4KNO4S · MW 201.24 g/mol

A high-intensity, non-nutritive sweetener supplied for food, beverage, and oral-care formulation. It is used as a sweetener and flavor enhancer in foods and beverages and as a masking/sweetening ingredient in oral-care products.

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HS Code
2934.99
At a Glance
Material Family
Specialty Additives
Record Type
Pure compound
Solubility
Very soluble in water, very slightly soluble in ethanol
Functional Roles
POTASSIUM ACESULFAME
FRAGRANCE
Applications & Use Cases
  • Sweetener: Non-nutritive high-intensity sweetener for food and beverages.
  • Flavor enhancer: JECFA-classified flavour-enhancer function.
  • Oral care: Masking/sweetening ingredient in oral-care products.
Physical Properties
Physical Description
Odourless, white, crystalline powder. Approximately 200 times as sweet as sucrose
Solubility
Very soluble in water, very slightly soluble in ethanol
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

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HS / Tariff Classification
Harmonized System (HS) Code — 6-digit international heading
2934 . 99
Chapter 29
Organic chemicals
Heading 29.34
Internationally harmonized (WCO HS)
Subheading 2934.99
6-digit international code — national tariff line adds further digits
Chemical Identity
CAS Number
55589-62-3
Molecular Formula
C4H4KNO4S
Molecular Weight
201.24 g/mol
IUPAC Name
potassium 6-methyl-2,2-dioxo-1-oxa-2lambda6-thia-3-azanidacyclohex-5-en-4-one
INCI Name
POTASSIUM ACESULFAME
PubChem CID
InChI Key
WBZFUFAFFUEMEI-UHFFFAOYSA-M
Synonyms & Trade Names
Acesulfame potassium Acesulfame K Potassium acesulfame Otizon Potassium acesulfamate Acesulfame potassium salt Sunett d Acesulfam-K E 950 INS NO.950 INS-950 Hoe 095 E-950 1,2,3-Oxathiazin-4(3H)-one, 6-methyl-, 2,2-dioxide, potassium salt
Full Description

Acesulfame potassium (CAS 55589-62-3) is a synthetic high-intensity (non-nutritive) sweetener. It is used as a sweetener and flavor enhancer in foods and beverages and as a masking/sweetening ingredient in oral-care products. It is heat-stable and commonly blended with other sweeteners.

Frequently Asked Questions

What is acesulfame K used for?

Acesulfame potassium (CAS 55589-62-3) is a synthetic high-intensity, non-nutritive sweetener. It is used as a sweetener and flavor enhancer in foods and beverages and as a masking/sweetening ingredient in oral-care products. It is heat-stable and commonly blended with other sweeteners.

Is acesulfame K the same as aspartame?

No. They are distinct sweeteners with different chemical structures and CAS numbers: acesulfame potassium is CAS 55589-62-3, a potassium salt of an oxathiazinone-dioxide, while aspartame is a dipeptide methyl ester. They are sometimes blended together in formulations but are separate products.

What do the FCC and Kosher designations mean for this product?

FCC indicates conformance to Food Chemicals Codex specifications for food-grade use, and Kosher indicates certification under kosher standards. RawSource provides the Certificate of Analysis and applicable certification documentation per lot.

What is the CAS number, formula, and HS code of acesulfame K?

Acesulfame potassium has CAS number 55589-62-3 and molecular formula C4H4KNO4S, in the Specialty Additives family. Its HS classification is 2934.99 (other heterocyclic compounds).

What bulk packaging does RawSource offer for acesulfame K?

RawSource supplies food-grade acesulfame K to manufacturers with CoA, SDS, and certification documentation per lot, packaged per order. Submit a bulk RFQ with your target volume for current pricing and lead time.

Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.