Flavors & Fragrances
REACH
Diethyl succinate
CAS Number
123-25-1
EC Number
204-612-0
FEMA Number
FEMA 2377
What is Diethyl succinate?
Diethyl succinate (CAS 123-25-1), also known by its FEMA 2377 designation, is a mild-odor ester used as a solvent, carrier, and flavoring agent.
Where is Diethyl succinate used?
- Food and beverage: flavor modifier with a faint fruity, wine-like note in confectionery and alcoholic beverages
- Cosmetics and personal care: carrier solvent and humectant in skin creams, lotions, and fragrance blends
- Printing inks and coatings: coalescing solvent that supports film formation and pigment dispersion on flexible packaging
- It also serves as a reaction solvent and intermediate in specialty chemical synthesis.
Good to know: Food-grade material conforming to FEMA standards is the most commonly traded specification; technical-grade is available for industrial solvent applications.
Commercial specifications
- Purity typically 99% and upward
- Clear, colorless liquid in drum and IBC quantities
Other Names (Synonyms)
Diethyl butanedioate|Ethyl succinate|Butanedioic acid, diethyl ester|Succinic acid diethyl ester|1,4-diethyl butanedioate|Butanedioic acid, 1,4-diethyl ester
What are the physical properties of Diethyl succinate?
Melting Point -21 °C
Boiling Point 216 °C
Density 0.97744 g/cm³ (liquid) @ Temp: 80 °C
Flash Point 195 °F
Appearance CLEAR LIQUID
Color Clear colorless to yellow
Odor at 100.00 %. mild fruity cooked apple ylang
Form Liquid
Water Solubility Slightly soluble in water.
Vapor Pressure 1.33 hPa (55 °C)
Refractive Index n 20/D 1.42(lit.)
Log P 1.4 at 40℃
Which trade and regulatory codes apply to Diethyl succinate?
HS Code 29171990
Storage Class 10 - Combustible liquids
WGK (Germany) 2