Molekula
Bentonite
Bentonite is a naturally occurring clay mineral primarily composed of montmorillonite, used in drilling fluids, foundry molds, and as a binder or absorbent in industrial applications. It has a CAS number of 1302-78-9, a molecular formula of H2Al2O6Si, and a molecular weight of 360.31 g/mol. Stored at ambient temperatures, it carries a warning signal word due to potential respiratory hazards. Molekula supplies bentonite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Bentonite is a naturally occurring clay mineral primarily composed of montmorillonite, used in drilling fluids, foundry molds, and as a binder or absorbent in industrial applications. It has a CAS number of 1302-78-9, a molecular formula of H2Al2O6Si, and a molecular weight of 360.31 g/mol. Stored at ambient temperatures, it carries a warning signal word due to potential respiratory hazards. Molekula supplies bentonite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Solid |
| Identification | Conforms to Reference |
| Arsenic (As) | Reported |
| Copper (Cu) | Reported |
| Nickel (Ni) | Reported |
| Strontium (Sr) | Reported |
| Barium (Ba) | Reported |
| Zinc (Zn) | Reported |
| Lanthanum (La) | Reported |
| Vanadium (V) | Reported |
| Chromium (Cr) | Reported |
| Manganese (Mn) | Reported |
| Lead (as Pb) | Reported |
| Phosphorus (P) | Reported |
| Silica SiO2 | Reported |
| Total Potassium Oxide (K2O) | Reported |
| Zirconium (Zr) | Reported |
| Titanium (Ti) | Reported |
| Rubidium (Rb) | Reported |
| Iron (III) Oxide (Fe2O3) | Reported |
| Calcium Oxide (CaO) | Reported |
| Magnesium Oxide (MgO) | Reported |
| Aluminium oxide (Al2O3) | Reported |
| Niobium (Nb) | Reported |
| Cerium (Ce) | Reported |
| Scandium (Sc) | Reported |
| Carbon monoxide (Co) | Reported |
| Gallium (Ga) | Reported |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| CAS Number | 1302-78-9 |
| Molecular Formula | H2Al2O6Si |
| Molecular Weight | 360.31 |
| SMILES | - |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 25081000 |
| Tariff Code | 2508100000 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
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
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is bentonite used for?
Bentonite is commonly used as a binder in foundry sands, a drilling mud additive in oil and gas drilling, and as a sealing material in environmental applications.
What is the chemical formula and molecular weight of bentonite?
The formula is H2Al2O6Si with a molecular weight of 360.31 g/mol.
How should bentonite be stored?
Bentonite should be stored at ambient temperatures, away from moisture and direct sunlight.
What grade of bentonite does Molekula supply?
Molekula supplies technical grade bentonite suitable for industrial applications.
Can Molekula supply bentonite in bulk?
Yes, Molekula can supply bentonite in bulk quantities; please contact our sales team for details.
What documentation comes with a bentonite order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) upon request.
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.