Molekula
Magnesium 2-hydroxybutanedioate
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 2-hydroxybutanedioate is a magnesium salt of 2-hydroxybutanedioic acid (malic acid) used primarily in food, pharmaceuticals, and dietary supplements as a buffering agent, nutrient fortifier, and mild acidity regulator. It supports metabolic functions and is non-toxic under normal handling conditions. This chemical has the CAS number 869-06-7, molecular formula C4H2MgO5, and a molecular weight of 156.38 g/mol. It is stable at ambient temperatures and poses no hazardous classification under standard use. Molekula supplies Magnesium 2-hydroxybutanedioate 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 — £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 powder |
| Ash | 18.0 - 21.0% |
| Loss on Drying | ≤ 27% |
| Odour | Odorless |
| Particle Size | ≥ 100% through 10mesh |
| Total Aerobic Count | ≤ 1000cfu/g |
| Lead (Pb) | ≤ 10ppm |
| Mould & Yeast | ≤ 100cfu/g |
| Salmonella/E.Coli (cfu/g) | Negative |
| Particle diameter | ≥ 98% through 60mesh |
| Test For Effervescence | Negative |
| Assay Mg (%) (As Is) | 11.3 – 11.8% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90024121 |
| CAS Number | 869-06-7 |
| IUPAC Name | magnesium 2-hydroxybutanedioate |
| EC Number | 212-784-3 |
| Molecular Formula | C4H2MgO5 |
| Molecular Weight | 156.38 |
| Exact Mass | 155.9909 |
| SMILES | C(C(C(=O)[O-])O)C(=O)[O-].[Mg+2] |
| InChIKey | JFQQIWNDAXACSR-UHFFFAOYSA-L |
| InChI | InChI=1S/C4H6O5.Mg/c5-2(4(8)9)1-3(6)7;/h2,5H,1H2,(H,6,7)(H,8,9);/q;+2/p-2 |
| PubChem CID | 164748 |
| REACH Code | Y113 |
| HTS Code | 29181990 |
| Tariff Code | 2918199890 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
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
- BUTANEDIOIC ACID, 2-HYDROXY-, MAGNESIUM SALT (1:1)
- C4H4MgO5
- JFQQIWNDAXACSR-UHFFFAOYSA-L
- Magnesium malate
- Malic acid magnesium salt (1:1)
Frequently asked questions
What is magnesium 2-hydroxybutanedioate (CAS 869-06-7) commonly used for?
It is primarily used as a **magnesium source** in dietary supplements, pharmaceuticals, and as a **chelating agent** in food and agricultural applications.
What is the molecular formula and molecular weight of magnesium 2-hydroxybutanedioate?
The molecular formula is **C₄H₂MgO₅**, and the molecular weight is **156.38 g/mol**.
How should magnesium 2-hydroxybutanedioate be stored?
Store in a **cool, dry place at ambient temperature**, away from moisture and incompatible substances.
What grades or purities of magnesium 2-hydroxybutanedioate does Molekula supply?
We supply **pharmaceutical-grade and food-grade** magnesium 2-hydroxybutanedioate, meeting strict quality standards.
Can Molekula supply magnesium 2-hydroxybutanedioate in bulk quantities?
Yes, we offer **bulk packaging options** (e.g., 25kg drums, 1MT containers) for industrial and commercial customers.
What documentation is provided with an order of magnesium 2-hydroxybutanedioate?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation.
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.