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Aliphatic and alicyclic building blocks

Diethyl citrate

Also known as 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, diethyl ester, Citric Acid 1,2-Diethyl Ester, 1,2-Diethyl citrate

CAS 32074-56-9Formula C10H16O7Molar mass 248.23 g/molEC 250-914-0
1 supplier listed
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Diethyl citrate chemical structure, C10H16O7, CAS 32074-56-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
32074-56-9
Formula
C10H16O7
Molar mass
248.23 g/mol
EC number
250-914-0
HS code
291815
Category
Aliphatic and alicyclic building blocks

What is Diethyl citrate?

Plain description, key identifiers and synonyms

Diethyl citrate is a chemical substance with the molecular formula C10H16O7 and a molar mass of 248.23 g/mol. Its CAS registry number is 32074-56-9. The IUPAC name is 5-ethoxy-3-ethoxycarbonyl-3-hydroxy-5-oxopentanoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-ethoxy-3-ethoxycarbonyl-3-hydroxy-5-oxopentanoic acid
CAS number
32074-56-9 CAS number cross-checkedOther or deprecated CAS: 19958-02-2
EC numbers
250-914-0, 639-031-5
Molecular formula
C10H16O7
UNII
3N6TP86M5J, 803HW347BD
InChIKey
KGYXYKHTHJPEBX-UHFFFAOYSA-N
InChI
InChI=1S/C10H16O7/c1-3-16-8(13)6-10(15,5-7(11)12)9(14)17-4-2/h15H,3-6H2,1-2H3,(H,11,12)
SMILES (canonical and isomeric)
CCOC(=O)CC(CC(=O)O)(C(=O)OCC)O

Synonyms

  • 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, diethyl ester
  • Citric Acid 1,2-Diethyl Ester
  • 1,2-Diethyl citrate
  • Asym-Diethyl Citrate
  • Citric acid, 1,2-diethyl ester
  • Diethyl hydrogen 2-hydroxypropane-1,2,3-tricarboxylate
  • 1,2-Diethyl citrate, (+/-)-
  • 5-ethoxy-3-ethoxycarbonyl-3-hydroxy-5-oxopentanoic acid
  • 5-ethoxy-3-(ethoxycarbonyl)-3-hydroxy-5-oxopentanoic acid
  • 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, 1,2-diethyl ester
  • Citric acid, diethyl ester
  • 2-Hydroxy-1,2,3-propanetricarboxylic Acid 1,2-Diethyl Ester, 3-Hydroxy-3,4-bis(ethoxycarbonyl)butanoic Acid, Asym-Diethyl Citrate,
  • 3-Hydroxy-3,4-bis(ethoxycarbonyl)butanoic Acid
  • 3-hydroxy-3, 4-bis(ethoxycarbonyl)butanoic acid
  • 3-hydroxy-3,4-bis (ethoxycarbonyl)butanoic acid
  • 1,2-Diethyl 2-hydroxy-1,2,3-propanetricarboxylate

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
248.23 g/molcalc.
Exact mass
248.0896 Dacalc.
LogP (octanol/water)
-0.29calc.
Topological polar surface area
110.1 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
7calc.
Heavy atoms
17calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.7calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Diethyl citrate suppliers

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Where suppliers are based

1 supplier in 1 country

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Diethyl citrate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Functional uses

  • Flavouring and nutrient
  • Fragrance

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Diethyl citrate is traded under.

HS 2918.15Indicative HS code

Salts and esters of citric acid

World exports in 2024
$711M
−5.1% vs 2023, imports $863M
2019 to 2024
Top exporters
  1. China39.3%
  2. Germany25.1%
  3. United States7.9%
Top importers
  1. United States16.3%
  2. Germany5.9%
  3. Poland5.8%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Diethyl citrate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Diethyl citrate, based on the data on this page

What is Diethyl citrate?

Diethyl citrate is a chemical substance with the molecular formula C10H16O7 and a molar mass of 248.23 g/mol. Its CAS registry number is 32074-56-9. The IUPAC name is 5-ethoxy-3-ethoxycarbonyl-3-hydroxy-5-oxopentanoic acid.

What is the CAS number of Diethyl citrate?

The CAS registry number of Diethyl citrate is 32074-56-9. Other or deprecated CAS numbers: 19958-02-2.

What is the molecular formula and weight of Diethyl citrate?

The molecular formula of Diethyl citrate is C10H16O7 and its molar mass is 248.23 g/mol.

What is Diethyl citrate used for?

Known uses and roles of Diethyl citrate include building blocks in research and laboratory, flavouring and nutrient and fragrance.

Is Diethyl citrate hazardous?

No GHS hazard classification for Diethyl citrate is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Diethyl citrate?

Diethyl citrate is usually classified under HS code 291815 (Salts and esters of citric acid). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Diethyl citrate?

CompoundList lists 1 supplier of Diethyl citrate in Germany. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Diethyl citrate?

Suppliers quote Diethyl citrate on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Diethyl citrate

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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