Antibiotic Sodium Acetate Anhydrous
CAS NO.: 127-09-3
Molecular Formula: CH3COONa
Molecular Weight: 82.03
Character: white crystal powder; specific gravity is 1.528 and melting point is 324℃.
Usage: It is a kind of chemical raw material and is widely used in dye, pharmaceutical, chemical reagent fields, sewagement and etc.
Package: 25kg plastic woven bag or 1000kg Ton-bag
Storage: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
- Product Description
Antibiotic Sodium Acetate Anhydrous Pharmaceutical Intermediate — High-Purity Buffer Solution for Antibiotic Synthesis
Antibiotic Sodium Acetate Anhydrous (CAS 127-09-3) is a pharmaceutic grade chemical used for antibiotic synthesis. This product is produced by Shanxi Zhaoyi Chemical Co., Ltd, who has worked in the acetate business for more than 30 years. 100% Pure > 99% Free Water ≤ 0.1% Heavy Metals < 0.0005% At our 27,000 m² production facility, we produce 150,000 tonnes of goods annually. We ship consistent, compliant batches to pharmaceutical businesses worldwide. It is a good pharmaceutical intermediate of anhydrous sodium acetate because it meets the strict requirements for buffers and impurities that are needed to make antibiotics.

Technical Specifications
Parameter | Specification |
Content (CH3COONa) | ≥99.0% |
pH Value | 7.5-9.2 |
Clarity Test | Qualified |
Water Insoluble | ≤0.01% |
Chloride (Cl) | ≤0.002% |
Sulfate (SO4) | ≤0.01% |
Phosphate (PO4) | ≤0.001% |
Magnesium (Mg) | ≤0.002% |
Calcium (Ca) | ≤0.05% |
Ferrum (Fe) | ≤0.0005% |
Heavy Metal (as Pb) | ≤0.002% |
Molecular Formula | CH3COONa |
Molecular Weight | 82.03 |
CAS NO. | 127-09-3 |
Melting Point | 324℃ |
Specific Gravity | 1.528 |

Key Product Characteristics
The anhydrous form of sodium acetate is of special importance in the manufacture of pharmaceuticals. The free water concentration is regulated to ≤0.1% so as not to affect the water-sensitive antibiotic production processes. This makes it much more dependable than trihydrate alternatives in the precision synthesis contexts.
A 5% aqueous solution has a pH of 7.5 to 9.0 which results in a steady and predictable buffering during the whole cycle of reaction. This constancy means that the multi-step synthesis of antibiotics may be maintained under ideal circumstances, and there is no need for regular manual correction.
Impurity levels are strictly controlled at every stage. The maximum amount of chloride is 0.005%, the maximum amount of arsenic is 0.0001%, and the maximum amount of heavy metals is 0.0005%. These limits are set by standards for the pharmaceutical industry. These numbers aren't just guesses; they lower the cost of cleaning further down the line and ensure the quality of your end drug product.

Core Application Scenarios in Antibiotic Production
This product is specifically formulated to support the synthesis and production of major antibiotic families, including:
- Penicillins — used as a pH buffer and acid-binding agent during beta-lactam ring formation
- Cephalosporins — supports reaction stability and intermediate preservation
- Macrolides — acts as a catalyst auxiliary to extend catalyst service life
- Quinolones — regulates synthesis system pH to improve yield and purity
In each of these applications, sodium acetate anhydrous plays multiple functional roles simultaneously. It neutralizes acids created in processes, maintains pH stability and promotes catalyst effectiveness – all without introducing moisture or heavy metal contamination.
Its anhydrous nature makes it particularly suited for reactions involving moisture-sensitive intermediates where even little quantities of water could result in failure or influence product quality.
Antibiotic Sodium Acetate Anhydrous vs Other Products
Feature | Our Antibiotic Sodium Acetate Anhydrous | Standard Industrial Grade | Trihydrate Forms |
Purity Level | ≥99.0% | 98.0-98.5% | 95.0-97.0% |
Heavy Metals (Pb) | ≤0.002% | ≤0.01% | ≤0.05% |
Chloride Content | ≤0.002% | ≤0.05% | ≤0.1% |
Water Content | Anhydrous | Variable | Contains crystal water |
pH Stability | 7.5-9.2 (precise) | 7.0-9.5 (broad) | Unstable |
Reaction Sensitivity | Water-safe | May contain moisture | Introduces water |
Pharmaceutical Compliance | Full compliance | Limited use | Not recommended |
Catalyst Life Extension | Excellent | Moderate | Poor |
Quality Control and Compliance
Certifications & Compliance
Shanxi Zhaoyi Chemical maintains a comprehensive certification framework for Antibiotic Sodium Acetate Anhydrous to support pharmaceutical and food-grade supply chains:
- ISO 9001 — Quality Management System
- ISO 14001 — Environmental Management System
- ISO 45001 — Occupational Health and Safety Management System
Kosher Certification
Halal Certification (applicable product grades)
Every batch of products is put through tests that are based on internal quality standards that are in line with what the pharmaceutical business needs. If you ask for it, you can get documentation like a multilingual COA, MSDS, and conformity certificates. Customers from both inside and outside of China can do on-site factory audits.

Packaging and Storage Requirements
Pharmaceutical-grade wrapping keeps the purity of the product safe while it's being shipped and stored:
- You can choose between 25 kg sealed plastic weave bags or 1,000 kg tonne bags. If you need, you can also get pharmaceutical-grade sealed forms.
- Store in a clean, cool, dry place with a relative humidity of 60% or less.
- Separation requirement: must be kept away from oxidants, toxic materials, and smelly things.
- Once opened, seal right away and use within 24 hours to keep wetness from absorbing.
- 24-month shelf life (unopened); must be re-inspected if outdated before use
- To keep the packaging from getting damaged during storage and transport, avoid bumping into things and squeezing them together.
These regulations ensure that the product you get will fulfil all of the pharmaceutical manufacturing requirements by the time it reaches to your facility.

Why Choose This Grade for Pharmaceutical Manufacturing
When selecting a sodium acetate anhydrous USP supplier, the quality and traceability of the product matter enormously. Here's what sets our pharmaceutical-grade product apart:
High Purity with Verifiable Impurity Control
Purity ≥99% and limits on chloride, iron, heavy metals, and arsenic make sure that your synthesis system stays clean. This directly lowers the difficulty and cost of the steps that come after synthesis.
Reliable Performance for Buffering
Because the pH range is stable (7.5–9.0), the buffering action is the same from batch to batch. This is very important for keeping yield rates steady during long production runs.
Stability Without Water
Free water ≤0.1% keeps the product steady and free of reactions, even in production areas that are sensitive to humidity.
Help with testing from a third party
We allow third-party lab tests, such as SGS inspections, and can give you COA and MSDS paperwork for every batch. This helps with your internal quality control and meeting the requirements for regulatory submissions.

Our Exhibitions

Supply and Purchasing Advantages
Working with an established sodium acetate anhydrous pharmaceutical intermediate supplier provides more than just product — it provides supply continuity and procurement confidence.
- Production lead time: 5–7 working days for standard orders
- Stock orders: Delivery within 24 hours when inventory is available
- Inquiry response: Within 2 hours for general technical and commercial questions
- Technical support: 24/7 online consultation available
- Trade terms: FOB, CIF, DAP supported
- Logistics: Long-term partnerships with international freight forwarders; multimodal logistics solutions available
Flexible OEM packaging, custom labeling, and tailored documentation are also available to meet your target market requirements.
FAQ
Q: What purity level does your product meet?
A:Our product achieves purity ≥99%, with chloride ≤0.005%, arsenic ≤0.0001%, and heavy metals ≤0.0005% — fully meeting the impurity control requirements of pharmaceutical-grade antibiotic production.
Q: Which antibiotic types is this product suitable for?
A: It can be used to make penicillins, cephalosporins, macrolides, and quinolones. In all of these processes, it acts as an acid-binding agent, a pH regulator, and an extra catalyst.
Q:What does the anhydrous form do in the process of making antibiotics?
A: The free water level is less than 0.1%, so the product can be used in processes that need to be sensitive to water. This keeps the reaction stable and lowers the amount of yield lost to side reactions with water.
Q: Can you provide third-party test reports?
A: Yes. We also provide third-party testing by companies such as SGS, and can provide COA and MSDS paperwork for each batch upon request.
Q: What are the storage conditions for the product?
A: Keep it somewhere dry, cool, and with a relative humidity of 60% or less. Stay away from harmful compounds and oxidants. You have 24 hours to use it after opening it. Seal again. When not opened, the shelf life is 24 months.
Q: As a supplier of sodium acetate anhydrous USP, what paperwork can you give for customs and compliance?
A: We offer MSDS, COA, conformity certifications, and other related trade papers in multiple languages to help with import/export, customs clearance, and regulatory filing in the market you want to reach.
Contact Us
Ready to source pharmaceutical-grade Antibiotic Sodium Acetate Anhydrous? Contact our team at sxzy@sxzhaoyi.com for samples, pricing, and technical support.
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