Fragrance avoidance
Nothing to weigh for this context yet.
We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.
- industrial
2-Keto-4-methylthiobutyric acid
CAS 583-92-6
Concern score
Not assessed — no hazard data yet.
2-Keto-4-methylthiobutyric acid in plain language
Also known as 4-(METHYLTHIO)-2-OXOBUTANOIC acid · 4-(Methylthio)-2-oxobutyric acid · .alpha.-ketomethionine · .alpha.-oxo-.gamma.-(methylthio)-n-butyric acid · 4-(Methylsulfanyl)-2-oxobutanoic acid · Butanoic acid, 4-(METHYLTHIO)-2-OXO-
Show all 26 names
Butyric acid, .gamma.-methylmercapto-.alpha.-oxo- · .alpha.-keto-.gamma.-(methylthio)butyric acid · .ALPHA.-KETO-4-(METHYLTHIO)BUTYRIC acid · .alpha.-keto-methylthiobutyric acid · 2-KETO-4-(METHYLTHIO)BUTYRIC acid · 2-Keto-4-methylthiobutanoic acid · 2-Keto-4-thiomethylbutyrate · 2-Ketothiomethylbutyric acid · 2-OXO-4-(METHYLTHIO)BUTANOIC acid · 2-Oxo-4-thiomethylbutyric acid · 2-oxo-4-methylthiobutanoate · 2-oxo-4-methylthiobutanoic acid · 2-oxomethionine · 4-Methylmercapto-2-oxobutyrate · 4-Methylthio-2-ketobutyric acid · alpha-Keto-gamma-methiolbutyrate · alpha-Ketomethionine · alpha-Oxo-gamma-methylthiobutyric acid · alpha-Oxomethionine · gamma-Methiol-keto-butyric acid
Used in consumer products as a flavouring.
- Flavouring
- We haven't assessed a concern score for this ingredient yet.
Regulation
No restrictions found. 2-Keto-4-methylthiobutyric acid appears in these published regulatory listings.
- Found in consumer products
- Industrial
USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient.
- EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Evidence & sources
No graded research studies for 2-Keto-4-methylthiobutyric acid yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
No signal in this context
Where it has been recorded
How often EPA CPDat has listed 2-Keto-4-methylthiobutyric acid in a product composition. These are source records, not Greenveil catalog products.
Named organisations
3
Typical roles
Flavouring