Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Toxicological Studies
2 study endpoints found for Basic Orange 31. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.
| Endpoint | Value | Route | Species | Study Type | Source |
|---|---|---|---|---|---|
| NOAEL | 66 mg/kg bw/day | oral | rat | Subchronic | COSMOS_DB |
| LOAEL | 229 mg/kg bw/day | oral | rat | Subchronic | COSMOS_DB |
Expert Verdict
Contains primary aromatic amine (aminophenyl group) requiring monitoring for free amine levels; restricted to non-oxidative systems only; must comply with purity specifications
Regulatory Flags
Frequently Asked Questions
Is Basic Orange 31 safe in cosmetics?
Contains primary aromatic amine (aminophenyl group) requiring monitoring for free amine levels; restricted to non-oxidative systems only; must comply with purity specifications The EU classifies Basic Orange 31 as "prohibited". Safety rating: MODERATE. 2 toxicological study endpoint(s) are available in our database.
Is Basic Orange 31 allowed in the EU?
Basic Orange 31 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Basic Orange 31 do in cosmetics?
Basic Orange 31 functions as: Hair Dyeing (semi-permanent / direct dye). It is classified as a cosmetic ingredient in our database. CAS number: 97404-02-9.
What is the Margin of Safety for Basic Orange 31?
not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
What is the NOAEL for Basic Orange 31?
The NOAEL (No Observed Adverse Effect Level) for Basic Orange 31 is 66 mg/kg bw/day based on a Subchronic study via oral route in rat. A total of 2 study endpoints are available. Source: COSMOS_DB.
Compliance Tools
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Related Ingredients
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