Acesulfame K
Acesulfame K, also known as Acesulfame Potassium or Ace K, is a food-grade high-intensity non-nutritive sweetener used by food and beverage manufacturers for sugar reduction, calorie reduction, sweetness design, flavor enhancement and sweetener blending. It is not a polyol and not a bulking sweetener; it provides sweetness at very low dosage, so formulators must separately manage solids, mouthfeel, texture, browning, freezing point, humectancy and body when replacing sugar. This page is prepared for purchasing, R&D, quality assurance and regulatory teams that need a practical starting point for grade selection, sweetener-system design, supplier comparison, specification review, documentation and quotation requests.
Product identity
| Product | Acesulfame K |
|---|---|
| Also known as | Acesulfame Potassium, Ace K, potassium acesulfamate, E950, INS 950 |
| Category | Sweeteners & Polyols |
| Function | High-intensity sweetener, non-nutritive sweetener, sugar-reduction ingredient and flavor enhancer |
| E / INS number | E950 / INS 950; permitted use and declaration language must be verified by destination market |
| CAS / identity | 55589-62-3 |
| Chemical identity | Potassium salt of 6-methyl-1,2,3-oxathiazine-4(3H)-one-2,2-dioxide |
| Sweetener type | High-intensity; does not provide sugar-like bulk, solids or humectancy |
| Typical form | White crystalline powder, fine powder, granular grade or premixed sweetener blend |
| Industrial selection basis | Assay, purity, fluoride limit, particle size, solubility, taste profile, blend compatibility, regulatory status, packaging and documentation |
Application fit
Potential use areas depend on local regulation, dosage, flavor system and product positioning. Common review areas may include:
- Carbonated soft drinks, still beverages, powdered drinks and concentrates
- Confectionery, hard candy, gummies, chewing gum and compressed tablets
- Bakery fillings, baked goods and heat-processed sweet systems
- Dairy desserts, fermented dairy-style products and plant-based desserts
- Tabletop sweeteners, sachets, tablets, liquid sweeteners and drops
- Sports nutrition, protein drinks, supplements and pharmaceutical-style foods
- Sauces, fruit preparations, syrups, toppings and reduced-sugar systems
Technical purchasing notes
Acesulfame K should be purchased by application specification and regulatory target, not only by additive number. Industrial performance depends on assay, purity, particle size, solubility, sweetness profile, aftertaste, blend compatibility, heat process, pH, flavor type, dosage accuracy and the complete sugar-reduction strategy. For purchasing teams, the most useful inquiry normally includes target application, target sweetness, current sweetener system, required particle size, food category, destination country, packaging size, annual quantity, delivery term and document requirements.
How Acesulfame K works in food systems
Acesulfame K provides intense sweetness at low use levels. Because the dosage is small, it contributes very little to solids, viscosity, texture, browning or freezing-point depression. This makes it useful for calorie and sugar reduction, but it also means the formulation must be rebuilt when sucrose, glucose syrup or other nutritive sweeteners are removed. In finished products, sweetness quality depends on the balance between Ace K, other sweeteners, acids, flavors, salts, hydrocolloids, proteins, polyols, fibers and bulking agents.
Ace K is frequently used in blends because sweetness perception is not only about intensity. Product developers must manage onset, peak sweetness, lingering sweetness, bitterness, metallic notes, acidity, aroma release and aftertaste. Blending Acesulfame K with sweeteners such as sucralose, aspartame, neotame, advantame, steviol glycosides, saccharin, erythritol or other polyols can help build a more rounded and sugar-like sweetness profile when permitted by the destination market.
Functional performance areas
- High-intensity sweetness: delivers sweetness at very low dosage compared with bulk sweeteners.
- Calorie reduction: supports reduced-sugar and low-calorie formulations when sugar solids are replaced appropriately.
- Sweetener blending: combines well with other sweeteners for improved sweetness curve and aftertaste management.
- Flavor enhancement: can improve perceived sweetness and support selected flavor systems.
- Heat-process suitability: selected applications use Ace K where sweetness must survive processing and shelf life.
- pH-process flexibility: can be reviewed for acidic beverages, fruit systems and neutral applications, subject to validation.
- Dry-blend dosing: powder and granular grades can support premixes, sachets, tablets and powdered beverages.
- Cost-in-use control: low dosage can help optimize sweetness cost when blended correctly.
Critical formulation variables
- Target sweetness equivalent and serving size
- Single sweetener versus multi-sweetener blend
- Acid profile, pH, flavor type and aroma system
- Heat process, hot fill, pasteurization, baking or shelf-life exposure
- Solubility, particle size and mixing sequence
- Bitterness, metallic note, lingering sweetness and aftertaste management
- Bulking system for sugar reduction: fibres, polyols, starches, gums or proteins
- Label claims: no sugar, reduced sugar, low calorie, diet, tabletop or special dietary use
- Local food additive permissions, category limits and declaration language
Application guidance by food category
| Food system | Potential technical role | Review points before approval |
|---|---|---|
| Carbonated and still beverages | High-intensity sweetness, sugar reduction, acidity balance and flavor enhancement | pH, carbonation, flavor type, preservative system, sweetness blend, aftertaste, solubility and shelf-life stability |
| Powdered drinks and instant mixes | Dry sweetness delivery, low-calorie positioning and blend uniformity | Particle size, segregation risk, carrier system, dissolution speed, moisture protection and serving-size dosage accuracy |
| Confectionery and chewing gum | Sweetness boost, sugar reduction, flavor extension and aftertaste balance | Base sweetener, polyol system, cooling effect, flavor release, heat exposure, acidity and label requirements |
| Bakery and baked fillings | Process-stable sweetness and sugar-reduction support | Browning, volume, water activity, humectancy, texture, starch or fibre bulking, heat stability and sensory profile |
| Dairy desserts and plant-based desserts | Sweetness design, calorie reduction and flavor balance | Protein system, fat level, acidity, stabilizers, heat process, chilled storage, mouthfeel and aftertaste |
| Tabletop sweeteners | Sweetness delivery in sachets, tablets, drops or liquid systems | Carrier bulk, tablet hardness, flowability, dissolution, sweetness equivalence, claim language and local tabletop rules |
| Sports nutrition and supplements | Sweetness in protein, mineral, vitamin or functional systems | Protein bitterness masking, mineral off-notes, pH, powder flow, dissolution, flavor masking and regulatory category |
| Sauces, syrups and fruit preparations | Sweetness adjustment and sugar-reduction support | Acidity, viscosity, fruit solids, hydrocolloids, heat process, filling temperature and shelf-life sensory stability |
Industrial specification checklist
A complete Acesulfame K sourcing request should define measurable quality and performance parameters. High-intensity sweeteners are used at low dosage, so small impurity, particle-size, solubility or weighing differences can affect factory handling and finished-product consistency. The items below help purchasing, QA and R&D teams compare offers accurately.
Physical and chemical criteria
- Assay / purity on dry basis according to stated test method
- Identity confirmation and CAS number
- Appearance, color, odor and taste profile
- Moisture content or loss on drying
- pH of aqueous solution according to supplier method
- Solubility and solution clarity where relevant
- Particle-size distribution and bulk density
- Fluoride content according to applicable specification
- Related substances, organic impurities or process residues where specified
- Heavy metals, lead, arsenic and other contaminants required by customer or market
Food safety and compliance criteria
- Food-grade statement and intended-use declaration
- E950 / INS 950 confirmation and local label-declaration guidance
- Certificate of analysis with lot-specific assay and impurity results
- Microbiological suitability for food-grade supply
- Allergen statement and cross-contamination declaration
- GMO status and identity-preserved options where required
- Halal, kosher, vegan or vegetarian declarations where required
- Country of origin, manufacturing site and traceability information
- Specification alignment with customer, retailer or private-label standards
Sweetness-system design
Acesulfame K is often most effective when it is part of a complete sweetener system. The formulation should account for sweetness onset, sweetness intensity, sweetness decay, aftertaste, bitterness, flavor masking, body and solids replacement. In beverages, Ace K may be used with sucralose, aspartame, steviol glycosides or other sweeteners to shape the sweetness curve. In confectionery and gum, it may be combined with polyols and bulk sweeteners. In bakery and desserts, it may need fibres, starches, polyols or hydrocolloids to replace the body normally provided by sugar.
| Design target | Preferred review focus | Why it matters |
|---|---|---|
| Sugar-like beverage sweetness | Sweetness onset, peak intensity, aftertaste and acid balance | Improves drinkability and reduces metallic, bitter or lingering notes. |
| Reduced-sugar confectionery | Polyol system, flavor release, sweetness boost and texture | Maintains sweetness while controlling bulk, cooling effect and mouthfeel. |
| Bakery sugar reduction | Bulking, browning, water activity, texture and heat exposure | Ace K supplies sweetness but not sugar’s structural or browning functions. |
| Protein drink flavor masking | Bitterness, mineral notes, protein aftertaste and flavor load | Supports palatability in high-protein and functional beverage systems. |
| Tabletop sweetener format | Carrier bulk, dissolution, tablet hardness and serving equivalence | Ensures consistent consumer dosing and sweetness delivery. |
Comparison with related sweeteners
| Ingredient | Why it may be compared | Selection note |
|---|---|---|
| Acesulfame K | High-intensity sweetness, process-stable sweetness and blending synergy | Often used with other sweeteners to improve sweetness curve and cost-in-use. |
| Sucralose | High-intensity sweetness with strong heat and pH stability | Commonly blended with Ace K in beverages, dairy systems and bakery applications. |
| Aspartame | High-intensity sweetness with sugar-like profile in many cold applications | Less suitable for some high-heat applications; phenylalanine labeling rules must be considered. |
| Neotame | Very high-intensity sweetener and flavor modifier | Used at very low levels; regulatory status and local category permissions must be checked. |
| Advantame | Very high-intensity sweetener and flavor enhancer | Useful at extremely low dosage; requires precise dosing and market-specific approval review. |
| Steviol glycosides | Plant-derived high-intensity sweetness | Often selected for natural-origin positioning but may require aftertaste masking. |
| Saccharin | High-intensity sweetness with long history of use | Can provide strong sweetness but may have bitterness or metallic notes at higher levels. |
| Erythritol and other polyols | Bulk, solids, mouthfeel and sugar-reduction support | Polyols are bulk sweeteners; they are not direct replacements for high-intensity sweeteners. |
U.S. food-use reference points
In the United States, 21 CFR 172.800 lists acesulfame potassium as a food additive that may be used as a general-purpose sweetener and flavor enhancer in foods generally, except in meat and poultry, according to current good manufacturing practice and in an amount not exceeding that reasonably required for the intended technical effect. The same section specifies identity as the potassium salt of 6-methyl-1,2,3-oxathiazine-4(3H)-one-2,2-dioxide and includes purity and fluoride specifications. This is a useful U.S. reference point, but it does not replace destination-market review for other countries.
| Regulatory reference item | Technical meaning | Buyer action |
|---|---|---|
| General-purpose sweetener and flavor enhancer | Supports use as a sweetening and flavor-enhancing additive where permitted | Confirm food category, local maximum level and label declaration in the destination market. |
| Exception for meat and poultry in U.S. rule | Meat and poultry applications require separate review | Do not assume permission in meat-type products without regulatory confirmation. |
| Purity not less than 99% on dry basis | Lot-specific assay should be verified by COA | Request COA and test method aligned with the buyer’s specification. |
| Fluoride limit | Fluoride is a key impurity parameter for this additive | Ask the supplier to report fluoride against the applicable specification. |
| Special dietary uses | Dietary labeling rules may apply where the product is marketed for special dietary use | Review label claims and nutrition positioning with the target market’s requirements. |
Processing and handling notes
Acesulfame K is typically easy to handle as a dry crystalline sweetener, but accurate dosing is critical because the ingredient is used at low levels. Poor premix design can cause sweetness variation, hot spots, segregation or inconsistent consumer experience. In liquid systems, dissolution should be validated under the real temperature, pH, solids and mixing conditions. In dry systems, particle size should be matched with carriers and other sweeteners to avoid segregation during transport, storage and filling.
- Use calibrated micro-dosing or validated premixing when the target dosage is very low.
- Pre-blend with compatible carriers where needed to improve distribution in dry mixes.
- Check dissolution time in the actual product matrix, not only in water.
- Validate sweetness profile after heat processing, cooling and full shelf-life storage.
- In beverages, evaluate sweetness together with acids, flavors, preservatives and carbonation.
- In bakery, separately replace the structural and browning functions of sugar.
- In tablets or sachets, confirm flowability, compression behaviour, dissolution and dosage uniformity.
- Protect powder from moisture, caking, contamination and strong odors.
Quality assurance and incoming inspection
For recurring supply, incoming quality control should confirm that every lot matches the approved supplier specification, regulatory file and trial-approved reference. Because high-intensity sweeteners are used at low dosage, small quality or dosing issues can affect the whole batch. Incoming control should include identity, assay, impurity review, physical handling and application-specific sweetness evaluation where relevant.
- Check product name, lot number, production date, expiry date and country of origin against the certificate of analysis.
- Confirm assay, moisture, fluoride, related substances, pH, particle size and contaminant values against the approved specification.
- Inspect packaging integrity, seal condition, odor, caking, moisture exposure, foreign-material risk and pallet condition.
- Confirm E950 / INS 950 reference and local declaration language against the approved regulatory file.
- Run a standard solution clarity, dissolution or sweetness comparison test where application performance is critical.
- For sweetener blends, verify blend uniformity, sweetness equivalence and aftertaste against the approved reference.
- Keep retained samples and COA records for traceability, complaint handling and supplier performance review.
Regulatory and label review
Acesulfame K is associated with the E950 / INS 950 food additive reference, but permitted uses, maximum levels, food categories, purity criteria and label declaration depend on the destination market. Finished-product manufacturers should verify whether the ingredient is allowed in the intended food category and whether the correct local declaration is “Acesulfame K,” “Acesulfame Potassium,” “E950,” “INS 950,” “sweetener,” “flavor enhancer,” “non-nutritive sweetener” or another market-specific wording.
For export projects, regulatory review should follow the country where the finished food will be sold, not only the country where the ingredient is purchased. This is especially important for beverages, tabletop sweeteners, child-oriented foods, supplements, special dietary foods, no-added-sugar claims, reduced-calorie claims, multi-sweetener systems and private-label retailer standards.
Documents to request
- Product specification or technical data sheet with test methods
- Certificate of analysis for the available batch or lot
- Safety data sheet where applicable
- Food-grade statement and intended-use declaration
- Origin, manufacturer, production site and traceability information
- Shelf-life, storage condition and retest-date information
- E950 / INS 950 confirmation and label declaration guidance
- Assay, moisture, pH, fluoride, particle-size and solution-clarity data
- Related substances, organic impurities or residual process impurity statements where required
- Microbiological limits and contaminant statements
- Heavy-metal declaration according to destination-market requirements
- Allergen, GMO, gluten, halal, kosher, vegan and vegetarian statements where required
- Application guidance for beverages, confectionery, bakery, tabletop sweeteners or target system
- Packaging details, net weight, pallet configuration and container loading estimate
- Market-specific declarations required by the destination country
Packaging, logistics and storage
Acesulfame K is commonly supplied in fiber drums, cartons, kraft bags, PE-lined bags, composite drums, small sachet cartons or export pallet configurations depending on supplier and grade. Industrial buyers should confirm net weight, inner liner, moisture barrier, pallet type, batch coding, shelf life at dispatch, container loading quantity, tamper evidence and whether the packaging format is suitable for micro-dosing or premix handling in the receiving factory.
Supplier qualification workflow
- Define the application: beverage, confectionery, chewing gum, bakery, dairy dessert, tabletop sweetener, supplement or dry mix.
- Define the sweetener strategy: single sweetener, Ace K blend, sugar reduction, calorie reduction, flavor masking or special dietary positioning.
- Share the benchmark: existing supplier specification, COA, sample, sweetener blend, formula note, label declaration or approved reference.
- Screen documents: review TDS, COA, SDS, origin, assay, fluoride, allergen, GMO, halal, kosher, vegan and regulatory declarations.
- Run bench trials: evaluate sweetness intensity, onset, aftertaste, solubility, flavor balance, pH stability and processing response.
- Validate plant performance: test dosing, blending, dissolution, heat process, packaging, shelf-life sensory profile and batch uniformity.
- Approve commercially: lock final specification, packaging, lead time, minimum order quantity, incoterm and recurring documentation.
How to request this product
Send the product name, E950 requirement, target grade or reference specification, intended application, quantity, destination country, packaging preference, expected shipment date, delivery term and required documents. If you already purchase Acesulfame K, attach or describe your existing specification, certificate of analysis, particle-size target, sweetness blend, label declaration, dosage target, food category or benchmark sample so supplier options can be compared more accurately.
Useful answers
What is Acesulfame K used for in food manufacturing?
Acesulfame K is typically discussed for high-intensity sweetness, calorie reduction, sugar replacement, sweetener blending, flavor enhancement and aftertaste management. Exact suitability depends on grade, application, process, regulations and supplier documents.
Is Acesulfame K a polyol or bulking ingredient?
No. Acesulfame K is a high-intensity non-nutritive sweetener, not a polyol and not a bulk sweetener. It replaces sweetness, but it does not replace sugar’s bulk, solids, browning, humectancy, freezing-point effect or texture contribution.
Why is Acesulfame K often blended with other sweeteners?
It is often blended to improve sweetness onset, reduce bitterness or metallic notes, improve sugar-like taste, manage aftertaste and optimize cost-in-use. The best blend depends on the product’s flavor, pH, process, storage conditions and destination-market rules.
Can Global Food Additives source Acesulfame K?
Global Food Additives can review sourcing options for Acesulfame K according to target specification, physical form, application, quantity, destination, packaging, delivery term and required documentation.
Which documents should be requested?
Buyers commonly request a technical data sheet or specification, certificate of analysis, safety data sheet where applicable, origin statement, shelf-life information, E950 / INS 950 confirmation, allergen and GMO declarations, halal or kosher documents, fluoride data, label guidance and packing details.
Is this product permitted in every country?
No. Food additive use depends on destination-market rules, food category, use level, purity criteria, label requirements and buyer responsibility. Always verify local regulation before commercial use.
Tell us which food additive or ingredient you need.
Send product names, target specifications, quantity, destination country, packaging preference, delivery term, and document requirements. Our team will review your inquiry and respond from orders@foodgradeadditives.com.
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