Diacetin

Also known as: 1,​2,​3-​Propanetriol, diacetate, Acetin, di-, Diacetylglycerol, Estol 1582, 1,3-Di(acetate) de glycerol (+11 more)

INCI: GLYCERYL DIACETATE

Diacetin (CAS 25395-31-7) is a cosmetic cosmetic ingredient functioning as Solvent, plasticizer, humectant. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 25395-31-7 →

Auto-generated CPSR Part A draft with source citations
Function
Solvent, plasticizer, humectant
Safety Rating
GOOD

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted — GRAS as food additive (21 CFR 184.1505); not restricted in cosmetics

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Diacetin.

Calculate MoS for your specific formulation with the MoS Calculator.

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Fragrance Solvent
Regulatory List Membership (2)
IFRA Fragrance Transparency List FDA Indirect Food Contact Additives

Expert Verdict

Expert safety assessment and concern-level summary for Diacetin.

Regulatory Flags

ifra_fragrance

Known Synonyms

1,​2,​3-​Propanetriol, diacetate Acetin, di- Diacetylglycerol Estol 1582 1,3-Di(acetate) de glycerol glycerol 1,3-di(acetate) Glycerin-1,3-di(acetat) 1,3-di(acetato) de glicerol Glyceryl diacetate, Diacetin 1,2,3-Propanetriol diacetate Estol 1583 EINECS 246-941-2 Glycerin diacetate Glycerine diacetate Glycerol diacetate UNII-GJ0544W99Q

Chemical Function

Solvent Fragrance

Regulatory Lists

IFRA Transparency inert_ingredient; non_food_use; Pesticides Indirect additives food contact (10/2018) active_ingredient; Pesticides

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Diacetin safe in cosmetics?

Diacetin has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is Diacetin allowed in the EU?

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

What does Diacetin do in cosmetics?

Diacetin functions as: Solvent, plasticizer, humectant. It is classified as a cosmetic ingredient in our database. CAS number: 25395-31-7.

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