Food Safety Substance

2-Hydroxy-1,4-naphthoquinone

2-Hydroxy-1,4-naphthoquinone is a food additive with Not approved for food in the EU, Not approved for food (approved cosmetics/externally) in the US, and data from 2 regulatory sources.

CAS 83-72-7 Thin evidence set
FDA
Not approved for food (approved cosmetics/externally)
ADI / TDI
No ADI/TDI row found
Codex
0 row(s)
SOURCE D1 identity resolution e number aliases | Food Additives | dsstox identifiers | 2 matched regulatory source group(s)

Substance Identity

Resolved identifiers used to render this food-safety record.

Substance name
2-Hydroxy-1,4-naphthoquinone
CAS
83-72-7
DTXSID
DTXSID2025428
PubChem CID
6755
Evidence tier
Thin evidence set (4)
SOURCE ingredients ghs classifications

Cross-Reference to Cosmetics / Chemicals / Pharma

Same-CAS public rows from adjacent Roots verticals where available.

CosmeticsLawsoneEU status: prohibited Industrial / GHSWarningEuropean Chemicals Agency (ECHA)
SOURCE FAQPage JSON-LD public food renderer rows

Frequently Asked Questions

Food-use, safety, ADI, and cross-vertical answers mirrored into FAQPage JSON-LD.

What is 2-Hydroxy-1,4-naphthoquinone used for in food?

2-Hydroxy-1,4-naphthoquinone appears in food-use rows as: Food colorant.

Is 2-Hydroxy-1,4-naphthoquinone safe?

This page does not assign a standalone safety verdict; it renders public regulatory evidence. EU status evidence: Not approved for food. US/FDA evidence: Not approved for food (approved cosmetics/externally).

What is the ADI for 2-Hydroxy-1,4-naphthoquinone?

No ADI row was found for 2-Hydroxy-1,4-naphthoquinone in the rendered EFSA, food_substances, food_additives, or JECFA tables.

Is 2-Hydroxy-1,4-naphthoquinone also used in cosmetics?

2-Hydroxy-1,4-naphthoquinone has a same-CAS cosmetics cross-reference: Lawsone, EU status prohibited.