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Molekula

Molekula

Mullite

CAS 1302-93-8 Al2O3·2SiO2 MW 430.08 Made to order

Mullite is a high-temperature ceramic material composed of aluminum oxide and silicon dioxide, used in refractories, ceramics, and advanced composites due to its excellent thermal stability and mechanical strength. Available in powder form with a molecular formula of Al₂O₃·2SiO₂, it has a molecular weight of 430.08 g/mol, is stable at ambient storage conditions, and carries no signal word. Molekula supplies Mullite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Mullite is a high-temperature ceramic material composed of aluminum oxide and silicon dioxide, used in refractories, ceramics, and advanced composites due to its excellent thermal stability and mechanical strength. Available in powder form with a molecular formula of Al₂O₃·2SiO₂, it has a molecular weight of 430.08 g/mol, is stable at ambient storage conditions, and carries no signal word. Molekula supplies Mullite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Solid
Water Content ≤1.0%
Al2O3 ≥55%
SiO2 ≤40%
Fe2O3 ≤2.0%
Residue ≤1.0%
Na2O ≤1.0%
TiO2 ≤0.5%
CaO ≤0.05%
K2O ≤0.5%
MgO ≤0.2%

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 24 months
Acidity Neutral

Identification

Property Value
CAS Number 1302-93-8
Molecular Formula Al2O3·2SiO2
Molecular Weight 430.08
SMILES O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Si]=O.O=[Si]=O
REACH Code Y110
Tariff Code 2508.60

Safety & GHS

None

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

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.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is mullite used for?

Mullite is primarily used in high-temperature ceramics, refractory materials, and advanced composite applications due to its excellent thermal stability and mechanical strength.

What is the chemical formula and molecular weight of mullite?

The formula is Al2O3·2SiO2 with a molecular weight of 430.08 g/mol.

How should mullite be stored?

Mullite should be stored at ambient temperature, protected from moisture and contamination.

What grade of mullite does Molekula supply?

Molekula supplies technical grade mullite; specific purity details are available upon request.

Can Molekula supply mullite in bulk?

Yes, Molekula can supply mullite in bulk quantities—please contact us for pricing and availability.

What documentation comes with a mullite order?

Each order includes a certificate of analysis (CoA) and safety data sheet (SDS); additional documentation is available upon request.

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