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Cosmetic ingredients

Magnesium acetate

Also known as Magnesium diacetate, Acetic acid, magnesium salt, Magnesium di(acetate)

CAS 142-72-3Formula C4H6MgO4Molar mass 142.39 g/molEC 205-554-9
51 suppliers listed
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Magnesium acetate chemical structure, C4H6MgO4, CAS 142-72-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
142-72-3
Formula
C4H6MgO4
Molar mass
142.39 g/mol
Physical form
Liquid
HS code
291529
Category
Cosmetic ingredients
Illustrative photo, closed blue jerry cans in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Magnesium acetate?

Plain description, key identifiers and synonyms

Magnesium acetate is the magnesium salt of acetic acid. It is functionally related to an acetic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
magnesium diacetate
CAS number
142-72-3 CAS number cross-checked
EC number
205-554-9
Molecular formula
C4H6MgO4
UNII
0E95JZY48K
MDL number
MFCD00003539
INCI name
MAGNESIUM ACETATE
InChIKey
UEGPKNKPLBYCNK-UHFFFAOYSA-L
InChI
InChI=1S/2C2H4O2.Mg/c2*1-2(3)4;/h2*1H3,(H,3,4);/q;;+2/p-2
SMILES (canonical and isomeric)
CC(=O)[O-].CC(=O)[O-].[Mg+2]

Synonyms

  • Magnesium diacetate
  • Acetic acid, magnesium salt
  • Magnesium di(acetate)
  • Mg Acetate
  • Acetic acid magnesium salt
  • Magnesium acetate anhydrous
  • Acetic acid, magnesium salt (2:1)
  • Mg(II) acetate
  • Magnesium acetate, mg(oac)2
  • Cromosan
  • Nu-Mag
  • magnesium, diacetate
  • Cromosan, Magnesium acetate, Mg(OAc)2, Magnesium diacetate
  • C4H6MgO4
  • magnesiumacetate
  • Mg Acetat

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

Physical form
Liquidexp.

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
142.39 g/molcalc.
Exact mass
142.0117 Dacalc.
LogP (octanol/water)
-2.87calc.
Topological polar surface area
80.26 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
0calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.
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.

Magnesium acetate suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 51 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

51 suppliers in 14 countries

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Magnesium acetate price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Industrial uses: Dye, Intermediate, Soil amendments (fertilizers), Catalyst.

Consumer uses: Other, Anti-freeze agent, Dye, Soil amendments (fertilizers).

Use classes: Processing Aids and Additives, Safer Chemical Classes, Cosmetics.

Cosmetic ingredient, INCI name MAGNESIUM ACETATE(buffering)

Functional uses

  • Catalyst
  • Processing aids not otherwise specified
  • pH regulating agent

Cosmetic functions

  • Buffering

Pharmacology

Magnesium Acetate is the acetate salt form of magnesium. Magnesium is a divalent cation essential for a number of biochemical processes involved in nerve signaling, bone mineralization and muscle contractions. About 350 enzymes involved in glycolysis and the Krebs cycle, formation of cyclic-AMP and ATP, cellular signal transduction and protein and nucleic acid synthesis are dependent on magnesium.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • Safer Choice ingredient list (USA)
  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Magnesium acetate is traded under.

HS 2915.29Indicative HS code

Acetic acid and its salts, acetic anhydride, other

World exports in 2024
$336M
+10.0% vs 2023, imports $398M
2019 to 2024
Top exporters
  1. China28.0%
  2. Netherlands25.4%
  3. Germany11.4%
Top importers
  1. United States17.0%
  2. Malaysia13.3%
  3. Germany7.3%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Magnesium acetate, based on the data on this page

What is Magnesium acetate?

Magnesium acetate is the magnesium salt of acetic acid. It is functionally related to an acetic acid.

What is the CAS number of Magnesium acetate?

The CAS registry number of Magnesium acetate is 142-72-3.

What is the molecular formula and weight of Magnesium acetate?

The molecular formula of Magnesium acetate is C4H6MgO4 and its molar mass is 142.39 g/mol.

What is Magnesium acetate used for?

Industrial uses: Dye, Intermediate, Soil amendments (fertilizers), Catalyst. Consumer uses: Other, Anti-freeze agent, Dye, Soil amendments (fertilizers). Use classes: Processing Aids and Additives, Safer Chemical Classes, Cosmetics.

Is Magnesium acetate hazardous?

No GHS hazard classification for Magnesium acetate 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 Magnesium acetate?

Magnesium acetate is usually classified under HS code 291529 (Acetic acid and its salts, acetic anhydride, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Magnesium acetate?

CompoundList lists 51 suppliers of Magnesium acetate in India, United States, China, France and 10 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Magnesium acetate in India?

17 suppliers in India list Magnesium acetate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Magnesium acetate?

Suppliers quote Magnesium acetate 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 Magnesium acetate

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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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