Molekula
Magnesium acetate tetrahydrate
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 tetrahydrate is a water-soluble magnesium salt used in biochemical research, as a reagent in organic synthesis, and in nutritional supplements. It also serves as a buffering agent and as an analytical reagent for detecting sodium in laboratory testing. It appears as colorless crystals or a white powder. CAS: 16674-78-5, molecular formula: (CH3COO)2Mg · 4H2O, molecular weight: 214.45 g/mol. Stable at ambient temperature. No signal word assigned. Molekula supplies Magnesium acetate tetrahydrate 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.
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1 kg — £76.60 per pack ex VAT · £91.92 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Heavy metals | ≤0.001% |
| Chloride (Cl-) | ≤0.05% |
| Assay | ≥98% |
| Water insoluble matter | ≤0.1% |
| Calcium (Ca) | ≤0.1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Boiling Point | 117.1 °C at 760 mmHg |
Source: PubChem CID 134717 (DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 26205568 |
| CAS Number | 16674-78-5 |
| IUPAC Name | magnesium;diacetate;tetrahydrate |
| Molecular Formula | (CH3COO)2Mg · 4H2O |
| Molecular Weight | 214.45 |
| Exact Mass | 214.0539 |
| SMILES | CC(=O)[O-].CC(=O)[O-].O.O.O.O.[Mg+2] |
| InChIKey | XKPKPGCRSHFTKM-UHFFFAOYSA-L |
| InChI | InChI=1S/2C2H4O2.Mg.4H2O/c2*1-2(3)4;;;;;/h2*1H3,(H,3,4);;4*1H2/q;;+2;;;;/p-2 |
| PubChem CID | 134717 |
| REACH Code | Y113 |
| HTS Code | 2915295000 |
| Tariff Code | 2915290000 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Portuguese, 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, tetrahydrate
- C4H14MgO8
- Cromosa
- Magnesia Acetica
- MAGNESIUM ACETATE (MG(OAC)2) TETRAHYDRATE
- MAGNESIUM ACETATE TETRAHYDRATE (EP MONOGRAPH)
- Magnesium diacetate tetrahydrate; Magnesium(2+) acetate tetrahydrate
- Magnesium diethanoate tetrahydrate
- magnesium;diacetate;tetrahydrate
- Mg(OAc)2.4H2O
Frequently asked questions
What is magnesium acetate tetrahydrate used for?
It is commonly used as a reagent in organic synthesis and as a source of magnesium ions in biochemical applications.
What is the chemical formula and molecular weight?
The formula is (CH3COO)2Mg · 4H2O with a molecular weight of 214.45 g/mol.
How should magnesium acetate tetrahydrate be stored?
It should be stored at ambient temperature, protected from moisture and heat.
What grade is available?
Available in reagent grade; specific grades may vary based on order volume.
Can Molekula supply it in bulk?
Yes, Molekula can supply magnesium acetate tetrahydrate in bulk quantities upon request.
What documentation comes with the order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
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.