Molekula
Magnesium acetate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Magnesium acetate is an inorganic salt composed of magnesium cations and acetate anions, primarily used as a de-icing agent for roads and sidewalks, as well as a food additive and in medical applications for magnesium supplementation. It appears as a white, hygroscopic solid with a mild acetic acid odor. CAS: 142-72-3, molecular formula (CH3COO)2Mg, molecular weight 142.39 g/mol, and requires ambient storage. The product carries a signal word of "Warning" per GHS classification. Molekula supplies magnesium acetate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £59.00 per pack ex VAT · £70.80 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White solid |
| Loss on Drying | ≤10% |
| Wavelength of maximum absorption (in 50:50 IMS:Water) | 488.0-498.0nm |
| Specific Absorption(1%1cm) | ≥1200 |
| Absorption Ratio (λmax-15nm/λmax+15nm) | 0.90-1.90 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 89981960 |
| CAS Number | 142-72-3 |
| IUPAC Name | magnesium diacetate |
| EC Number | 205-554-9 |
| Molecular Formula | (CH3COO)2Mg |
| Molecular Weight | 142.39 |
| Exact Mass | 142.0117 |
| SMILES | CC(=O)[O-].CC(=O)[O-].[Mg+2] |
| InChIKey | UEGPKNKPLBYCNK-UHFFFAOYSA-L |
| InChI | InChI=1S/2C2H4O2.Mg/c2*1-2(3)4;/h2*1H3,(H,3,4);/q;;+2/p-2 |
| PubChem CID | 8896 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29152950 |
| Tariff Code | 2915290000 |
Safety & GHS
Hazard statements
- H303 May be harmful if swallowed
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- ACETIC ACID, MAGNESIUM SALT
- Acetic acid, magnesium salt (2:1)
- Cromosan
- Cromosan; Magnesium acetate, Mg(OAc)2; Magnesium diacetate
- Magnesium acetate anhydrous
- Magnesium acetate, mg(oac)2
- Magnesium diacetate
- Mg Acetate
- Mg(II) acetate
- Nu-Mag
Frequently asked questions
What is magnesium acetate commonly used for?
Magnesium acetate is primarily used as a desiccant, in de-icing formulations, and as a food additive (e.g., as a firming agent or pH regulator). It is also used as a source of magnesium ions in molecular biology buffers and enzymatic reaction mixtures.
What is the chemical formula and molecular weight of magnesium acetate?
The chemical formula is (CH₃COO)₂Mg, and the molecular weight is 142.39 g/mol.
How should magnesium acetate be stored?
Store magnesium acetate at ambient temperature in a cool, dry place, away from incompatible substances like strong oxidizers or acids. Keep containers tightly sealed.
What grades or purity levels of magnesium acetate does Molekula offer?
Molekula supplies technical grade and food-grade magnesium acetate, with purity levels specified on the product datasheet. Contact us for custom specifications.
Can Molekula supply magnesium acetate in bulk quantities?
Yes, we offer bulk packaging options (e.g., 25 kg drums, 1-tonne IBCs) for magnesium acetate. Minimum order quantities and lead times vary—inquire for details.
What documentation is provided with a magnesium acetate order?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability. Custom packaging labels are available upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.