Molekula
Sodium carbonate anhydrous
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 carbonate anhydrous is a white, crystalline powder used in glass manufacturing, water treatment, and chemical synthesis. It is a strong base with applications in pH control and as a reagent in laboratories. CAS: 497-19-8, Molecular formula: Na2CO3, Molecular weight: 105.99 g/mol, Storage: Ambient, Signal word: Warning. Molekula supplies Sodium carbonate anhydrous 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.
Often bought together
Pricing & pack sizes
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.
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25 g — £15.00 per pack ex VAT · £18.00 inc. VAT
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100 g — £23.00 per pack ex VAT · £27.60 inc. VAT
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500 g — £27.00 per pack ex VAT · £32.40 inc. VAT
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1 kg — £33.10 per pack ex VAT · £39.72 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.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Identification | Conforms to reference |
| Bulk density | 450 - 680 kg/m3 |
| Sodium chloride | ≤0.30% |
| Sodium sulphate | ≤0.04% |
| Ferric Oxide | ≤0.003% |
| Moisture: Loss on Heating | ≤0.5% |
| Sodium carbonate (Na2CO3) | ≥99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 0 °C |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White hygroscopic powder |
| Odour | Odorless |
| Melting Point | 856 °C |
| Density | 2.54 g/cm³ |
| Water Solubility | Soluble in water |
| Solubility (other solvents) | Sparingly soluble in ethanol; insoluble in acetone |
| Refractive Index | 1.535 |
Source: PubChem CID 10340 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 13743314 |
| CAS Number | 497-19-8 |
| IUPAC Name | disodium;carbonate |
| EC Number | 207-838-8 |
| Molecular Formula | Na2CO3 |
| Molecular Weight | 105.99 |
| Exact Mass | 105.9643 |
| SMILES | C(=O)([O-])[O-].[Na+].[Na+] |
| InChIKey | CDBYLPFSWZWCQE-UHFFFAOYSA-L |
| InChI | InChI=1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2 |
| PubChem CID | 10340 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2836.20.0000 |
| Tariff Code | 2836200000 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
Precautionary statements
- P232 Protect from moisture
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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
- Bisodium carbonate
- Calcined soda
- Carbonic acid disodium salt
- Carbonic acid sodium salt
- Carbonic acid sodium salt (1:2)
- Disodium carbonate
- Soda Ash
- SODIUM CARBONATE
- Solvay soda
- Washing soda
Frequently asked questions
What is sodium carbonate anhydrous used for?
It is commonly used in glass manufacturing, water treatment, and as a pH regulator in chemical processes.
What is the chemical formula and molecular weight of sodium carbonate anhydrous?
The formula is Na2CO3 and the molecular weight is 105.99 g/mol.
How should sodium carbonate anhydrous be stored?
It should be stored at ambient temperature in a dry, well-ventilated area.
What grade is available for sodium carbonate anhydrous?
Available in technical and laboratory reagent grades; specific grades may vary by order size.
Can Molekula supply sodium carbonate anhydrous in bulk?
Yes, Molekula can supply sodium carbonate anhydrous in bulk quantities upon request.
What documentation comes with an order of sodium carbonate anhydrous?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
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.