Molekula
Anti Bumping Granules (Al2O3)
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
Anti Bumping Granules (Al₂O₃) are high-purity alumina particles used to prevent bumping and foaming during distillation, reflux, and solvent evaporation by promoting smooth boiling. They are chemically inert, non-toxic, and reusable, making them ideal for laboratory and industrial applications. Al₂O₃ Anti Bumping Granules have a CAS number of 1344-28-1, a molecular formula of Al₂O₃, and a molecular weight of 101.96 g/mol. They require no special storage beyond ambient conditions and carry no signal word for hazards. Molekula supplies Anti Bumping Granules 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 |
| Fe2O3 | ≤ 0.1% |
| Na2O | ≤ 0.5% |
| Assay (Al2O3) | ≥ 99.0% |
| Silicon Dioxide (SiO2) | ≤ 0.1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Odour | Odorless |
| Melting Point | 2054 °C |
| Boiling Point | 3000 °C |
| Density | 3.97 g/cm³ |
| Water Solubility | Insoluble in water |
| Vapour Pressure | 1 mmHg at 2158 °C |
| Refractive Index | 1.7598 |
Source: PubChem CID 9989226 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90032499 |
| CAS Number | 1344-28-1 |
| IUPAC Name | dialuminum;tris(oxygen(2-)) |
| EC Number | 215-691-6 |
| Molecular Formula | Al2O3 |
| Molecular Weight | 101.96 |
| Exact Mass | 101.9478 |
| SMILES | [O-2].[O-2].[O-2].[Al+3].[Al+3] |
| InChIKey | PNEYBMLMFCGWSK-UHFFFAOYSA-N |
| InChI | InChI=1S/2Al.3O/q2*+3;3*-2 |
| PubChem CID | 9989226 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2818.20.0000 |
| Tariff Code | 2818200090 |
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, 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
- Abramant
- Abramax
- Abrasit
- Almite
- Aloxite
- Aluminium oxide
- ALUMINUM OXIDE
- Aluminum trioxide
- Dialuminum trioxide
- gamma-Alumina
Frequently asked questions
What are Anti Bumping Granules (Al₂O₃) used for?
They are primarily used in laboratories to prevent bumping during heating or refluxing of liquids, ensuring smooth boiling and reducing splashing risks.
What is the chemical formula and molecular weight of Anti Bumping Granules?
The chemical formula is **Al₂O₃** with a molecular weight of **101.96 g/mol**.
How should Anti Bumping Granules be stored?
Store at **ambient temperature** in a dry, well-ventilated area, away from moisture and incompatible substances.
What grade of Anti Bumping Granules does Molekula supply?
Molekula supplies **laboratory-grade** Anti Bumping Granules (Al₂O₃) suitable for analytical and general lab applications.
Can Molekula supply Anti Bumping Granules in bulk quantities?
Yes, Molekula can provide Anti Bumping Granules in bulk, with quantities tailored to your specific requirements—contact us for details.
What documentation comes with an order of Anti Bumping Granules?
Each order includes a **Certificate of Analysis (CoA)**, **Safety Data Sheet (SDS)**, and **batch-specific documentation** for traceability.
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.