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Impurities and reference standards

Malic acid dimer

Also known as Malic Acid Impurity 4, 2,2'-(3,6-dioxo-1,4-dioxane-2,5-diyl)diacetic acid

CAS 3892-04-4Formula C8H8O8Molar mass 232.14 g/mol
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Malic acid dimer chemical structure, C8H8O8, CAS 3892-04-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3892-04-4
Formula
C8H8O8
Molar mass
232.14 g/mol
HS code
293220
Category
Impurities and reference standards

What is Malic acid dimer?

Plain description, key identifiers and synonyms

Malic acid dimer is a chemical substance with the molecular formula C8H8O8 and a molar mass of 232.14 g/mol. Its CAS registry number is 3892-04-4. The IUPAC name is 2-[5-(carboxymethyl)-3,6-dioxo-1,4-dioxan-2-yl]acetic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[5-(carboxymethyl)-3,6-dioxo-1,4-dioxan-2-yl]acetic acid
CAS number
3892-04-4
Molecular formula
C8H8O8
InChIKey
LWXITGFSKAEHEM-UHFFFAOYSA-N
InChI
InChI=1S/C8H8O8/c9-5(10)1-3-7(13)16-4(2-6(11)12)8(14)15-3/h3-4H,1-2H2,(H,9,10)(H,11,12)
SMILES (canonical and isomeric)
C(C1C(=O)OC(C(=O)O1)CC(=O)O)C(=O)O

Synonyms

  • Malic Acid Impurity 4
  • 2,2'-(3,6-dioxo-1,4-dioxane-2,5-diyl)diacetic acid

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
232.14 g/molcalc.
Exact mass
232.0219 Dacalc.
LogP (octanol/water)
-1.23calc.
Topological polar surface area
127.2 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
4calc.
Heavy atoms
16calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
Formal charge
0calc.
Stereocentres
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1COC(=O)CO1

O=C1COC(=O)CO1

1 ring, 8 atoms, the Glycolide ring system.

31 other chemicals share this scaffold

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.

Malic acid dimer suppliers

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Malic acid dimer 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Malic acid dimer is traded under.

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Malic acid dimer, based on the data on this page

What is Malic acid dimer?

Malic acid dimer is a chemical substance with the molecular formula C8H8O8 and a molar mass of 232.14 g/mol. Its CAS registry number is 3892-04-4. The IUPAC name is 2-[5-(carboxymethyl)-3,6-dioxo-1,4-dioxan-2-yl]acetic acid.

What is the CAS number of Malic acid dimer?

The CAS registry number of Malic acid dimer is 3892-04-4.

What is the molecular formula and weight of Malic acid dimer?

The molecular formula of Malic acid dimer is C8H8O8 and its molar mass is 232.14 g/mol.

Is Malic acid dimer hazardous?

No GHS hazard classification for Malic acid dimer 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 Malic acid dimer?

Malic acid dimer is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Malic acid dimer?

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What is the price of Malic acid dimer?

Suppliers quote Malic acid dimer 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 Malic acid dimer

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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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