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Molekula

Molekula

Magnesium, ribbon, 0.30 - 0.40 mm thick, 3.2 – 4.0 mm wide 99.3% (before extrusion)

SKU 14445962 CAS 7439-95-4 Mg MW 24.3 In stock (5+ packs) — same-day dispatch Bulk quantities on request

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 ribbon is a highly reactive, lightweight metal used in pyrotechnics, fireworks, and as a reducing agent in chemical synthesis due to its strong exothermic reactions. This ribbon, 0.30–0.40 mm thick and 3.2–4.0 mm wide, meets 99.3% purity before extrusion, with a CAS number of 7439-95-4 and molecular weight of 24.3. It must be stored at ambient conditions and handled with caution, as indicated by its "Danger" signal word. Molekula supplies Magnesium ribbon from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

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.

  • 25 g — £39.80 per pack ex VAT · £47.76 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.

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Specifications

Property Value
Appearance Metal/grey ribbons
Magnesium (Mg) ≥99.0%
Width 3.2 - 4.0mm
Thickness 0.25 - 0.4mm

Storage & handling

Property Value
Storage Temperature Ambient
Transport Class 4.1
Packing Group III
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 14445962
CAS Number 7439-95-4
IUPAC Name magnesium
EC Number 231-104-6
Molecular Formula Mg
Molecular Weight 24.3
Exact Mass 23.985
SMILES [Mg]
InChIKey FYYHWMGAXLPEAU-UHFFFAOYSA-N
InChI InChI=1S/Mg
PubChem CID 5462224
UN Number UN1869
REACH Code Y110
TSCA Listed Yes
HTS Code 8104.30.0000
Tariff Code 8104300020

Safety & GHS

Danger
  • GHS pictogram — Flammable 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
  • P220 Keep/Store away from clothing/combustible materials
  • P223 Keep away from any possible contact with water, because of violent reaction and possible flash fire
  • P235 Keep cool

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.

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 ribbon primarily used for?

Magnesium ribbon is commonly used in pyrotechnics, as a reducing agent in chemical reactions, and in laboratory settings for combustion experiments or as a reagent in organic synthesis.

What is the chemical formula and molecular weight of this magnesium ribbon?

The chemical formula is **Mg**, and the molecular weight is **24.3 g/mol**.

How should this magnesium ribbon be stored?

Store in a dry, well-ventilated area at ambient temperature, away from moisture, oxidizing agents, and sources of ignition.

What purity grade is available for this magnesium ribbon?

This product is supplied at **99.3% purity (before extrusion)**. Higher purity grades may be available upon request.

Can Molekula supply magnesium ribbon in bulk quantities?

Yes, we offer magnesium ribbon in bulk quantities—please contact our sales team for pricing and availability.

What documentation comes with an order of magnesium ribbon?

Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.

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