Molekula
Magnesium aspartate dihydrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Magnesium aspartate dihydrate is a chelated mineral supplement used to support magnesium levels in dietary and nutritional applications. It is a stable, water-soluble compound with a molecular weight of 324.53 g/mol, composed of magnesium bound to aspartic acid and two water molecules. CAS number: 215533-00-9. It is stored at ambient temperatures and carries no signal word.
Molekula supplies Magnesium aspartate dihydrate at 98.0% - 102.0% purity in 100 g packs, from £31.56 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
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.
-
100 g — £26.30 per pack ex VAT · £31.56 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Water | 10.0% - 16.0% |
| Fumaric acid | ≤0.1% |
| Identification | Conforms to reference |
| pH | 6.0 - 8.0 |
| Assay | 98.0% - 102.0% |
| Total Impurities | ≤0.3% |
| Specific Optical Rotation[α]D20 | +22.0 - +24.0 |
| D-aspartic acid | ≤0.3% |
| Malic acid | ≤0.1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90027054 |
| CAS Number | 215533-00-9 |
| IUPAC Name | magnesium;bis((2S)-2-aminobutanedioate);hydron;dihydrate |
| Molecular Formula | C8H12MgN2O8 · 2H2O |
| Molecular Weight | 324.53 |
| Exact Mass | 324.0655 |
| SMILES | [H+].[H+].C([C@@H](C(=O)[O-])N)C(=O)[O-].C([C@@H](C(=O)[O-])N)C(=O)[O-].O.O.[Mg+2] |
| InChIKey | WLAXHZXYTCHQPJ-PXYKVGKMSA-L |
| InChI | InChI=1S/2C4H7NO4.Mg.2H2O/c2*5-2(4(8)9)1-3(6)7;;;/h2*2H,1,5H2,(H,6,7)(H,8,9);;2*1H2/q;;+2;;/p-2/t2*2-;;;/m00.../s1 |
| PubChem CID | 76968352 |
| REACH Code | Y113 |
| HTS Code | 29224949 |
| Tariff Code | 2922498590 |
Safety & GHS
Precautionary statements
- P232 Protect from moisture
- P410 Protect from sunlight
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- L-Aspartic acid, magnesium salt (2:1), dihydrate
- L-Aspartic acid, magnesium salt, hydrate (2:1:2)
- MAGNESIUM ASPARTATE DIHYDRATE (EP MONOGRAPH)
- Magnesium l-aspartate dihydrate
- magnesium;(2S)-2-aminobutanedioate;hydron;dihydrate
Frequently asked questions
What is magnesium aspartate dihydrate used for?
It is primarily used as a dietary supplement to support magnesium levels and is involved in enzymatic reactions and muscle function.
What is the chemical formula and molecular weight of magnesium aspartate dihydrate?
The formula is C8H12MgN2O8 · 2H2O with a molecular weight of 324.53 g/mol.
How should magnesium aspartate dihydrate be stored?
It should be stored at ambient temperature, protected from moisture and light.
What specification does magnesium aspartate dihydrate meet?
It is supplied as a white crystalline powder with an assay of 98.0% - 102.0%, water content of 10.0% - 16.0%, pH of 6.0 - 8.0, specific optical rotation of +22.0 to +24.0, total impurities of ≤0.3%, D-aspartic acid of ≤0.3%, and fumaric acid and malic acid each ≤0.1%.
Can Molekula supply magnesium aspartate dihydrate in bulk?
Yes, Molekula can supply magnesium aspartate dihydrate in bulk quantities upon request.
What documentation comes with an order of magnesium aspartate dihydrate?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
Where can I buy Magnesium aspartate dihydrate?
Directly from Molekula, which lists Magnesium aspartate dihydrate in 100 g packs from £31.56 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.