Molekula
Sodium aluminate
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
Sodium aluminate is a white, crystalline solid used in water treatment, cement production, and as a reagent in chemical synthesis. It also serves as a paper sizing and retention aid, a textile printing mordant, a foundry mold binder, and an intermediate for zeolites and alumina catalysts. It is highly alkaline and reactive with moisture and acids. CAS: 11138-49-1, Molecular formula: AlNaO2, Molecular weight: 81.97 g/mol. Molekula supplies sodium aluminate 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
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White granular mass |
| Melting Point | 1650 °C |
| Refractive Index | 1.566 |
Source: PubChem CID 14766 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90027671 |
| CAS Number | 11138-49-1 |
| IUPAC Name | sodium dioxoalumanuide |
| EC Number | 234-391-6 |
| Molecular Formula | AlNaO2 |
| Molecular Weight | 81.97 |
| Exact Mass | 81.9611 |
| SMILES | O=[Al-]=O.[Na+] |
| InChIKey | IYJYQHRNMMNLRH-UHFFFAOYSA-N |
| InChI | InChI=1S/Al.Na.2O/q-1;+1;; |
| PubChem CID | 14766 |
| UN Number | UN2812 |
| REACH Code | Y110 |
| HTS Code | 28419050 |
| Tariff Code | 2841908590 |
Safety & GHS
-
Corrosive
GHS05
Hazard statements
- EUH071 Corrosive to the respiratory tract
- H290 May be corrosive to metals
- H314 (sub cat. 1A) Causes severe skin burns and eye damage
- H318 Causes serious eye damage
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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
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
- Aluminate (alo21-), sodium
- Aluminate, sodium
- Aluminium sodium dioxide
- Aluminum sodium oxide (Al2Na2O4)
- Sodium aluminate (Na2Al2O4)
- Sodium aluminate (NaAlO2)
- Sodium aluminum dioxide
- Sodium aluminum oxide (NaAlO2)
- Sodium metaaluminate
- Sodium metaaluminate (NaAlO2)
Frequently asked questions
What is sodium aluminate used for?
Sodium aluminate is primarily used in water treatment for pH control and as a coagulant, and in the production of alumina and cement.
What is the chemical formula and molecular weight of sodium aluminate?
The formula is AlNaO2 and the molecular weight is 81.97 g/mol.
How should sodium aluminate be stored?
Store in a cool, dry place, away from moisture and acids; keep container tightly closed.
What grade of sodium aluminate does Molekula supply?
Molekula supplies technical grade sodium aluminate suitable for industrial applications.
Can Molekula supply sodium aluminate in bulk?
Yes, Molekula can supply sodium aluminate in bulk quantities; please contact sales for details.
What documentation comes with a sodium aluminate 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.