Sodium bicarbonate
Sodium bicarbonate (CAS: 144-55-8), with the linear formula NaHCO <sub>3</sub> and a molar mass of 84.01 g/mol, is a versatile inorganic salt. Known for its mild alkalinity and buffering capacity, it finds extensive use in chemical synthesis and various industrial processes. This white crystalline solid is a fundamental reagent in laboratories and a key component in numerous chemical applications.
- IUPAC
- Sodium hydrogen carbonate
- Synonyms
- Sodium hydrogen carbonate
Chemical Synthesis Reagent
Sodium bicarbonate serves as a mild base and buffering agent in organic synthesis. It is frequently employed to neutralise acids and control pH in reactions where stronger bases might cause unwanted side reactions.
Laboratory Buffer
In laboratory settings, sodium bicarbonate is utilised to prepare buffer solutions due to its well-defined pKa values. These buffers are essential for maintaining stable pH conditions critical for many analytical and research procedures.
Industrial Applications
Beyond laboratory use, it functions in diverse industrial processes, including water treatment and as a component in fire extinguishers. Its ability to react with acids makes it effective for neutralisation purposes.
| Molecular weight | 84.01 |
|---|---|
| Linear formula | NaHCO3 |
| Assay | ≥99.7%99.7-100.3% |
| Grade | purum p.a. |
| Density | 2.16 g/mL at 25 °C(lit.) |
| Solubility | H2O: soluble1 M, clear, colorless |
| Impurities tested | ≤0.015% Insoluble matter |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Cation traces | Ca: ≤0.02%Fe: ≤0.001%K: ≤0.005%Mg: ≤0.005%NH4+: ≤5 ppmheavy metals (as Pb): ≤5 ppm |
| Anion traces | chloride (Cl-): ≤0.003%phosphate (PO43-): ≤0.001%sulfur compounds (as SO42-): ≤0.003% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Pka 25 °C | (1) 6.37, (2) 10.25 (carbonic acid) |
|---|
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 bicarbonate used for?
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Sodium bicarbonate (CAS 144-55-8) is used as a mild base and buffering agent in chemical synthesis and laboratory procedures. It is also utilised in various industrial applications.
What are the CAS number and formula for Sodium bicarbonate?
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The CAS number for Sodium bicarbonate is 144-55-8, and its linear formula is NaHCO <sub>3</sub> .
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium bicarbonate in purum p.a. grade with an assay of ≥99.7% (99.7-100.3%). TSS does not represent this product as USP, BP, or EP grade unless explicitly stated.
How should Sodium bicarbonate be handled safely?
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When handling Sodium bicarbonate, it is recommended to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if dust is generated. It is classified with WGK Germany 1.
Is Sodium bicarbonate a controlled substance?
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Based on the provided data, Sodium bicarbonate is not listed as a controlled substance.
How is Sodium bicarbonate packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Specific packing and shipping details for Sodium bicarbonate are available upon request.
How can I request a quote or sample for Sodium bicarbonate?
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To request a quote or sample for Sodium bicarbonate, please contact the Tech Serve Solutions sales team through our official channels.
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