Good Cosmetic Ingredient NOAEL Data GHS Classified

Diethyl Succinate

INCI: DIETHYL SUCCINATE

CAS Number
123-25-1
Function
Fragrance, Plasticizer, Emollient, Solvent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR Expert Panel (2010/2012 Final Report) concluded safe in present practices of use and concentration as part of a 56-ingredient dicarboxylic acid group assessment. Holds FEMA GRAS No. 2377 for food flavoring.

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

2 study endpoints found for Diethyl Succinate. 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 15000 mg/kg bw/day oral mouse Special Toxicology Study COSMOS_DB
NOAEL 1000 mg/kg bw/day oral rat oral REACH

GHS Hazard Classification

Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.

Short-term Exposure Effects
The substance is mildly irritating to the eyes.

Expert Verdict

Clean safety profile supported by CIR group clearance and RIFM dedicated assessment; metabolizes to succinic acid and ethanol with no genotoxicity or reproductive toxicity identified.

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Concern Level: Low

Regulatory Flags

cir-safe rifm-assessed fema-gras fragrance-ingredient no-sccs-opinion no-mos-calculated synthetic-ester ifra_fragrance fda_food_additive jecfa_safe

Frequently Asked Questions

Is Diethyl Succinate safe in cosmetics?

Clean safety profile supported by CIR group clearance and RIFM dedicated assessment; metabolizes to succinic acid and ethanol with no genotoxicity or reproductive toxicity identified. The EU classifies Diethyl Succinate as "permitted". Safety rating: GOOD. 2 toxicological study endpoint(s) are available in our database.

Is Diethyl Succinate allowed in the EU?

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

What does Diethyl Succinate do in cosmetics?

Diethyl Succinate functions as: Fragrance, Plasticizer, Emollient, Solvent. It is classified as a cosmetic ingredient in our database. CAS number: 123-25-1.

What is the Margin of Safety for Diethyl Succinate?

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 Succinate?

The NOAEL (No Observed Adverse Effect Level) for Diethyl Succinate is 15000 mg/kg bw/day based on a Special Toxicology Study study via oral route in mouse. A total of 2 study endpoints are available. Source: COSMOS_DB.

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