Poor Cosmetic Ingredient NOAEL Data

Dimethyl Maleate

INCI: DIMETHYL MALEATE

CAS Number
624-48-6
Function
YELLOW
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not prohibited by CFR, but not typically listed for cosmetic use. Dialkyl malates reviewed by CIR (diisostearyl malate group), but dimethyl maleate itself was not included in the safety assessment.

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
high

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

1 study endpoint found for Dimethyl Maleate. 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
NOEL 60 mg/kg bw/day dermal rat dermal REACH

Expert Verdict

Dimethyl maleate is permitted in cosmetics but has poor safety profile with high sensitization potential and inadequate safety substantiation for cosmetic use.

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Concern Level: High

Frequently Asked Questions

Is Dimethyl Maleate safe in cosmetics?

Dimethyl maleate is permitted in cosmetics but has poor safety profile with high sensitization potential and inadequate safety substantiation for cosmetic use. The EU classifies Dimethyl Maleate as "permitted". Safety rating: POOR. 1 toxicological study endpoint(s) are available in our database.

Is Dimethyl Maleate allowed in the EU?

Dimethyl Maleate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Dimethyl Maleate do in cosmetics?

Dimethyl Maleate functions as: YELLOW. It is classified as a cosmetic ingredient in our database. CAS number: 624-48-6.

What is the Margin of Safety for Dimethyl Maleate?

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 Dimethyl Maleate?

The NOAEL (No Observed Adverse Effect Level) for Dimethyl Maleate is 60 mg/kg bw/day based on a dermal study via dermal route in rat. Source: REACH.

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