Classification
Product TypeIngredient
Product FormCrystalline powder
Industry PositionFood Additive (Flavour enhancer / flavouring agent)
Market
Ethyl maltol (INS 637) is a globally traded synthetic flavour enhancer and flavouring agent used to boost sweet, caramel/cotton-candy and fruit-like flavour notes in formulated foods. International commercialization is anchored by Codex/FAO GSFA use provisions by food category and by FAO/WHO JECFA identity-and-purity specifications (e.g., assay minimum on an anhydrous basis) and safety evaluation (ADI maintained by JECFA). Because it is a regulated food additive rather than an agricultural crop, market access is primarily driven by jurisdiction-specific authorizations, permitted food categories, and compliance with specification and impurity limits. Trade flows are typically embedded within broader flavouring and fine-chemical supply chains (ingredient producers → flavour houses → food and beverage manufacturers) rather than tracked as a distinct agricultural commodity.
Major Producing Countries- ChinaCommercial food-additive manufacturing includes ethyl maltol suppliers; China-based producers market ethyl maltol for export alongside global flavour and fragrance supply chains.
Specification
Physical Attributes- White, crystalline powder with a sweet, fruit-like aroma (JECFA specification)
- Sparingly soluble in water; soluble in ethanol and in propylene glycol (JECFA specification)
- Melting range: 89–93 °C (JECFA specification)
Compositional Metrics- Assay: not less than 99.0% (anhydrous basis) (FAO JECFA Monographs)
- Water: not more than 0.5% (Karl Fischer) (FAO JECFA Monographs)
- Sulfated ash: not more than 0.2% (FAO JECFA Monographs)
- Lead: not more than 1 mg/kg (FAO JECFA Monographs)
Grades- Food additive grade aligned to FAO/WHO JECFA specifications (INS 637; JECFA No. 1481)
- Often sold as food-grade flavouring substance for use under applicable GMP/maximum-level provisions (Codex GSFA)
Packaging- Bulk packaging commonly marketed as sealed, food-safe polyethylene inner liners within drums for international shipment (example commercial format: 25 kg drum)
ProcessingObtained by chemical synthesis (JECFA specification)Used at GMP or specified maximum levels depending on food category under Codex GSFA provisions (INS 637)
Supply Chain
Value Chain- Chemical synthesis (ethyl maltol) -> purification/crystallization -> drying -> quality control against JECFA identity/purity limits -> sealed bulk packaging -> distribution to flavour manufacturers/blenders -> incorporation into finished foods (confectionery, dairy desserts, edible ices, chewing gum, flavoured milk drinks) under applicable regulatory limits
Demand Drivers- Formulation demand for sweet/caramel/cotton-candy and fruit-like flavour enhancement in confectionery and chewing gum categories permitted under Codex GSFA
- Use as a flavour enhancer in dairy-based desserts and edible ices under Codex GSFA provisions
- Use as a synthetic flavouring substance in markets where it is listed/allowed for flavour use (e.g., United States synthetic flavouring substances list includes ethyl maltol)
Risks
Regulatory Compliance HighEthyl maltol is a regulated flavour enhancer/flavouring substance; market access depends on jurisdiction-specific authorization and permitted use levels by food category. Changes in food additive rules, or non-compliance with Codex/JECFA-aligned specifications and impurity limits, can cause shipment rejections, reformulation needs, or delistings across key import markets.Verify target-market authorizations and category limits (e.g., Codex GSFA where applicable), maintain JECFA/FEMA-aligned documentation (INS/CAS, CoA), and implement change-control for regulatory updates across destination markets.
Food Safety MediumIdentity/purity and contaminant compliance is critical; JECFA specifications set minimum assay (anhydrous basis) and limits for water, sulfated ash, and lead. Off-spec batches or contamination events can trigger recalls or border rejections in regulated markets.Qualify suppliers to JECFA specifications, test each lot for key limits (including heavy metals such as lead), and align analytical methods with recognized compendial approaches referenced by JECFA specifications.
Quality Degradation LowMoisture uptake during storage or transit can push product out of water-spec limits and cause caking or handling issues, reducing usability in downstream blending and dosing.Use moisture-barrier inner liners, keep containers tightly closed, and store/ship in cool, dry conditions with humidity control where feasible.
FAQ
What is ethyl maltol’s Codex INS number and what is it used for?Ethyl maltol’s Codex INS number is 637, and Codex GSFA lists it as a flavour enhancer. It is used at GMP or specified maximum levels (by food category) to enhance sweet, caramel/cotton-candy and fruit-like flavour notes in products such as confectionery, chewing gum, dairy-based desserts, and edible ices (Codex GSFA; FAO/WHO).
What are the key JECFA specification requirements buyers often reference for food-grade ethyl maltol?FAO/WHO JECFA specifications describe ethyl maltol as a white crystalline powder and set identity/purity benchmarks including an assay minimum (anhydrous basis) and limits for water, sulfated ash, and lead. These specification limits are commonly used for supplier qualification and import compliance checks (FAO JECFA Monographs; WHO JECFA database).
What is the JECFA safety position on ethyl maltol (ADI)?WHO’s JECFA database reports an ADI of 0–2 mg/kg body weight (originally established in 1974 and maintained in later evaluations). This is a safety benchmark used by regulators and industry when assessing acceptable uses and exposures (WHO JECFA database).
Is ethyl maltol recognized in U.S. regulations for use as a flavoring substance?Yes. The U.S. list of synthetic flavoring substances and adjuvants in 21 CFR 172.515 includes “Ethyl maltol; 2-ethyl-3-hydroxy-4H-pyran-4-one,” supporting its regulatory status as a permitted synthetic flavoring substance when used in accordance with the regulation (Cornell LII e-CFR).