Molekula
Magnesium Powder - Grade 4 Cut - DEF STAN 13-130/1
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 Powder - Grade 4 Cut is a high-purity metallic powder used in pyrotechnic compositions, flares, and military incendiary devices, meeting DEF STAN 13-130/1 specifications. It is supplied as a cut powder with a particle size suitable for controlled combustion. CAS: 7439-95-4, Molecular Formula: Mg, Molecular Weight: 24.31 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Magnesium Powder - Grade 4 Cut 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 — $88.70 per pack
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 | Grey Powder |
| Density | 0.40 - 0.60 g/cm3 |
| Sieve Analysis | Retained on a 63um sieve: ≥85%, Retained on a 150um sieve: ≤7%, Retained on a 212um sieve: Nil |
| Chlorides | ≤0.02% |
| Iron (Fe) | ≤0.5% |
| Calcium (Ca) | ≤0.15% |
| Magnesium (Mg) | ≥98.0% |
| Zinc (Zn) | ≤0.1% |
| Manganese (Mn) | ≤1.0% |
| Volatile Matter | ≤0.05% |
| Oil and grease | Nil |
| Grit | Total: ≤0.1%, Retained on a 63um sieve: ≤0.01%, Retained on a 125um sieve: Nil |
| Other Metals | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 4.3 (4.2) |
| Packing Group | II |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Silvery-white metal |
| Odour | None |
| Melting Point | 651 °C |
| Boiling Point | 1100 °C |
| Solubility (other solvents) | Insol in cold water, chromium trioxides; soluble in mineral acids |
| Vapour Pressure | 1 Pa at 428 °C |
Source: PubChem CID 5462224 (HSDB, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 90023218 |
| CAS Number | 7439-95-4 |
| IUPAC Name | magnesium |
| EC Number | 231-104-6 |
| Molecular Formula | Mg |
| Molecular Weight | 24.31 |
| Exact Mass | 23.985 |
| SMILES | [Mg] |
| InChIKey | FYYHWMGAXLPEAU-UHFFFAOYSA-N |
| InChI | InChI=1S/Mg |
| PubChem CID | 5462224 |
| UN Number | UN1418 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 81041100 |
| Tariff Code | 8104110000 |
Safety & GHS
-
Flammable
GHS02
Hazard statements
- H228 Flammable solid
- H252 Self-heating in large quantities; may catch fire
- H261 In contact with water releases flammable gas
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P222 Do not allow contact with air
- P223 Keep away from any possible contact with water, because of violent reaction and possible flash fire
- P240 Ground/bond container and receiving equipment
Documents
Safety Data Sheets (SDS)
Available in English, English (US), Estonian, 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
- Bye Zero
- Dietary Magnesium
- MAGNESIUM
- Magnesium metallicum
- Magnesium powder
- Magnesium powdered
- Magnesium sheet
- Minaral mi tea
- Nmc Magma Mineral Pack
- Rieke's active magnesium
Frequently asked questions
What is Magnesium Powder - Grade 4 Cut - DEF STAN 13-130/1 used for?
It is used in pyrotechnic compositions, flares, and military incendiary devices due to its high burning temperature and reactivity.
What is the chemical formula and molecular weight of this magnesium powder?
The formula is Mg and the molecular weight is 24.31 g/mol.
How should Magnesium Powder - Grade 4 Cut be stored?
It should be stored at ambient temperature, away from moisture and ignition sources, in a dry, well-ventilated area.
What grade of Magnesium Powder is available?
This product is Grade 4 Cut, compliant with DEF STAN 13-130/1 for military and high-performance applications.
Can Molekula supply this magnesium powder in bulk?
Yes, Molekula can supply Magnesium Powder - Grade 4 Cut in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with an order of this product?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) compliant with GHS and DEF STAN standards.
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.