Sodium Carbonate — Pharma Grade Excipient Supplier, Hyderabad
Product Overview
Sodium Carbonate is an alkaline inorganic salt used in pharmaceutical formulations as an alkalising agent, pH modifier, and buffering component. It is commonly used alongside sodium bicarbonate in effervescent preparations and in formulations requiring alkaline pH conditions.
Specifications
| CAS Number | 497-19-8 |
| Molecular Formula | Na₂CO₃ |
| Molecular Weight | 105.99 g/mol |
| Appearance | White hygroscopic powder or granules |
| Assay | NLT 99.0% |
| pH (1% solution) | 11.6 |
| Grades | IP / BP / EP / USP |
| Packaging | 25 kg HDPE bags |
Applications
- Alkalising agent in effervescent formulations
- pH buffer in pharmaceutical preparations
- Co-effervescent agent with sodium bicarbonate
- Buffer in food and beverage processing
- Water treatment applications
- Chemical synthesis intermediate
Why Source from Surravi Phharma?
- Ready stock maintained in our centralised AC warehouse, Hyderabad
- IP / BP / EP / USP grades available
- Complete documentation: COA, MSDS, Regulatory certifications
- Flexible quantities — lab scale to bulk commercial
- Prompt delivery with pan India logistics support
Frequently Asked Questions
Where can I buy Sodium Carbonate pharma grade in Hyderabad?
Surravi Phharma supplies Sodium Carbonate in IP, BP, EP, and USP grades in Hyderabad with ready stock. Used primarily as an alkalising agent, pH modifier, and co-effervescent base in pharmaceutical formulations. Call +91 8008002576 for pricing and documentation.
What is the difference between Sodium Carbonate and Sodium Bicarbonate in pharma formulations?
Sodium Carbonate (Na₂CO₃) is a stronger alkali (pH 11.6 in 1% solution) compared to Sodium Bicarbonate (pH 8.3). It is used in effervescent formulations where a more alkaline final solution is desired or where additional alkalinity is needed. Sodium Bicarbonate is the primary effervescent base in most tablet formulations; Sodium Carbonate is typically used as a supplementary alkaliser at lower concentrations (2–5% of the effervescent blend) to adjust pH or improve dissolution.
Is Sodium Carbonate hygroscopic? How should it be handled in manufacturing?
Yes. Sodium Carbonate Anhydrous is strongly hygroscopic and will absorb moisture from the air, forming hydrates. In pharmaceutical manufacturing, it must be stored in sealed containers in humidity-controlled areas (RH < 50%). Weighing and blending should be done under controlled humidity conditions. Exposure to moisture during processing can cause caking, changes in bulk density, and reduced reactivity in effervescent systems.
Can Sodium Carbonate be used in tablet manufacturing for non-effervescent applications?
Yes. Sodium Carbonate is occasionally used as a pH modifier or alkaliser in tablet formulations where the API requires an alkaline microenvironment for stability or solubility. It is used at low concentrations (1–5%) to buffer the tablet matrix. However, its strong alkalinity requires careful compatibility testing with the API, as many drugs are unstable under strongly alkaline conditions.