Poor Cosmetic Ingredient NOAEL Data

Diethyl Oxalate

INCI: DIETHYL OXALATE

CAS Number
95-92-1
Function
Solvent / synthesis intermediate
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted (no specific CFR prohibition), but CMR profile makes inclusion indefensible in a CPSR

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

3 study endpoints found for Diethyl Oxalate. 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 ca.63 mg/kg bw/day oral rat oral REACH
NOAEL 20 mg/kg bw/day oral rat oral REACH
NOAEL ca.63 mg/kg bw/day oral - oral REACH

Expert Verdict

Reproductive toxicant Category 1B (may damage fertility and unborn child); skin corrosive Category 1A/1B; STOT-RE Category 1-2 (kidney) upon repeated oral exposure; acute oral toxicity Category 4.

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Concern Level: High

Frequently Asked Questions

Is Diethyl Oxalate safe in cosmetics?

Reproductive toxicant Category 1B (may damage fertility and unborn child); skin corrosive Category 1A/1B; STOT-RE Category 1-2 (kidney) upon repeated oral exposure; acute oral toxicity Category 4. The EU classifies Diethyl Oxalate as "prohibited". Safety rating: POOR. 3 toxicological study endpoint(s) are available in our database.

Is Diethyl Oxalate allowed in the EU?

Diethyl Oxalate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Diethyl Oxalate do in cosmetics?

Diethyl Oxalate functions as: Solvent / synthesis intermediate. It is classified as a cosmetic ingredient in our database. CAS number: 95-92-1.

What is the Margin of Safety for Diethyl Oxalate?

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 Diethyl Oxalate?

The NOAEL (No Observed Adverse Effect Level) for Diethyl Oxalate is ca.63 mg/kg bw/day based on a oral study via oral route in rat. A total of 3 study endpoints are available. Source: REACH.

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