# 5,7-Dimethoxy-2H-chromen-2-one

URL: https://app.greenveil.ai/ingredients/ingredient_dtxsid_dtxsid1041421
Categories: food, industrial
Identifier: DTXSID1041421

> 5,7-Dimethoxy-2H-chromen-2-one. Greenveil chemical-concern score: 100/100 — Critical concern based on regulatory listings.. Compiled from 6 published data sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern based on regulatory listings.
- Confidence in this assessment: High
- Is it a concern? Critical concern: no hazard classifications on record.
- Rationale: EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.

## Regulatory status

- EU: EFSA opinion — Safety and efficacy of feed additives consisting of expressed lemon oil and its fractions from Citrus limon (L.) Osbeck and of lime oil from Citrus aurantiifolia (Christm.) Swingle for use in all animal species (FEFANA asbl) (EFSA FEEDAP)
- US: commercial use observed — EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

## Expert safety opinions

- JECFA (Joint FAO/WHO Expert Committee on Food Additives): no opinion on file.
- EFSA (European Food Safety Authority): Safety and efficacy of feed additives consisting of expressed lemon oil and its fractions from Citrus limon (L.) Osbeck and of lime oil from Citrus aurantiifolia (Christm.) Swingle for use in all animal species (FEFANA asbl) (EFSA FEEDAP) — 2021 — https://doi.org/10.2903/j.efsa.2021.6548.

## Data sources

- EFSA OpenFoodTox (updated 2026-10-04): https://doi.org/10.5281/zenodo.8120114
- EPA Chemical and Products Database (updated January 7, 2008): https://www.sciencedirect.com/science/article/pii/S2214750014001632
- EPA DSSTox Identifiers (updated 2025-12-29): https://epa.figshare.com/articles/dataset/Chemistry_Dashboard_Data_DSSTox_Identifiers_Mapped_to_CAS_Numbers_and_Names/5588566
- FDA GSRS UNII (updated 2026-02-26): https://precision.fda.gov/uniisearch/
- openFDA Substance (updated 2026-05-24): https://api.fda.gov/other/substance.json?search=unii:JWE1QQ247N
- PubChem Live Enrichment (updated 2026-05-17): https://pubchem.ncbi.nlm.nih.gov/compound/2775

_Assessed by Greenveil._