Good Cosmetic Ingredient NOAEL Data

4-Formyl-1-Methylquinolinium-P-Toluenesulfonate

INCI: 4-FORMYL-1-METHYLQUINOLINIUM-P-TOLUENESULFONATE

CAS Number
223398-02-5
Function
Hair dyeing
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
EU Max Conc. 2.5%
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted; hair dyes exempt from premarket approval under FD&C coal-tar hair dye exemption

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

3 study endpoints found for 4-Formyl-1-Methylquinolinium-P-Toluenesulfonate. 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 1000 mg/kg bw/day oral rat Subchronic COSMOS_DB
NOAEL 100 mg/kg bw/day oral rat Developmental COSMOS_DB
LOAEL 316 mg/kg bw/day oral rat Developmental COSMOS_DB

Expert Verdict

Prohibited in EU; must not exceed 2.5% concentration. Permitted in US under coal-tar hair dye exemption; use only in combination with or without Hโ‚‚Oโ‚‚ on scalp.

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Concern Level: Low

Regulatory Flags

eu_cosing_listed

Frequently Asked Questions

Is 4-Formyl-1-Methylquinolinium-P-Toluenesulfonate safe in cosmetics?

Prohibited in EU; must not exceed 2.5% concentration. Permitted in US under coal-tar hair dye exemption; use only in combination with or without Hโ‚‚Oโ‚‚ on scalp. The EU classifies 4-Formyl-1-Methylquinolinium-P-Toluenesulfonate as "prohibited". Safety rating: GOOD. 3 toxicological study endpoint(s) are available in our database.

Is 4-Formyl-1-Methylquinolinium-P-Toluenesulfonate allowed in the EU?

4-Formyl-1-Methylquinolinium-P-Toluenesulfonate EU regulatory status: prohibited. Maximum allowed concentration: 2.5%. This is based on EU Regulation 1223/2009 and its amendments.

What does 4-Formyl-1-Methylquinolinium-P-Toluenesulfonate do in cosmetics?

4-Formyl-1-Methylquinolinium-P-Toluenesulfonate functions as: Hair dyeing. It is classified as a cosmetic ingredient in our database. CAS number: 223398-02-5.

What is the Margin of Safety for 4-Formyl-1-Methylquinolinium-P-Toluenesulfonate?

adequate 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 4-Formyl-1-Methylquinolinium-P-Toluenesulfonate?

The NOAEL (No Observed Adverse Effect Level) for 4-Formyl-1-Methylquinolinium-P-Toluenesulfonate is 1000 mg/kg bw/day based on a Subchronic study via oral route in rat. A total of 3 study endpoints are available. Source: COSMOS_DB.

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