Sodium carbonate hydrate
Sodium carbonate hydrate (CAS: 24551-51-7, Na2CO3 · aq) is a hydrated form of sodium carbonate, a fundamental inorganic base. Supplied by Tech Serve Solutions with a purum p.a. grade and an assay of ≥99.0% (calc. based on dry substance), this compound is essential for a variety of chemical syntheses and industrial processes. It is a widely used reagent in laboratories and manufacturing, valued for its alkalinity and solubility.
- IUPAC
- Soda

Chemical Synthesis
Utilised as a base in various organic and inorganic synthesis reactions. Its alkaline nature makes it effective for neutralising acids and facilitating specific reaction pathways.
Laboratory Reagent
A staple in analytical and research laboratories for titration, pH adjustment, and as a component in buffer solutions. Its reliable purity ensures consistent experimental outcomes.
Industrial Processes
Employed in diverse industrial applications, including water treatment, detergent manufacturing, and glass production, where its basic properties are crucial for process chemistry.
| Molecular weight | 105.99 (anhydrous basis) |
|---|---|
| Linear formula | Na2CO3 · aq |
| Assay | ≥99.0% (calc. based on dry substance, T) |
| Grade | purum p.a. |
| Impurities tested | 9-10 mol/mol water |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 22-26 |
| Cation traces | Ca: ≤50 mg/kgCd: ≤50 mg/kgCo: ≤50 mg/kgCu: ≤50 mg/kgFe: ≤50 mg/kgK: ≤100 mg/kgNi: ≤50 mg/kgPb: ≤50 mg/kgZn: ≤50 mg/kg |
| Anion traces | chloride (Cl-): ≤50 mg/kgsulfate (SO42-): ≤50 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Sodium Carbonate Hydrate used for?
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Sodium carbonate hydrate is primarily used as a base in chemical synthesis, as a laboratory reagent for analytical procedures and pH adjustment, and in various industrial processes such as water treatment and detergent manufacturing.
What is the CAS number and formula for Sodium Carbonate Hydrate?
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The CAS number for Sodium Carbonate Hydrate is 24551-51-7, and its formula is Na2CO3 · aq.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium Carbonate Hydrate in purum p.a. grade with an assay of ≥99.0% (calc. based on dry substance). We do not represent this product as USP, BP, or EP grade.
How should Sodium Carbonate Hydrate be handled safely?
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Sodium carbonate hydrate is classified as a warning substance (GHS07) and may cause serious eye irritation (H319). Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do.
How is Sodium Carbonate Hydrate packed and exported?
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Sodium Carbonate Hydrate is carefully packed to maintain its integrity during transit and is available for global export by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or a sample of Sodium Carbonate Hydrate, please contact our sales team through the details provided on the Tech Serve Solutions website.
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