Beverage Sodium Acetate Trihydrate
CAS NO.: 6131-90-4
Molecular Formula: CH3COONa·3H2O
Molecular Weight: 136.08
Character: Colorless crystal, it is soluble in water and alcohol and lightly soluble in acetic acid; specific gravity:1.45; melting point: 58℃.
Usage: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.
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
Beverage Sodium Acetate Trihydrate Food-Grade Acidity Regulator — Precision Buffering for Modern Beverage Formulation
Beverage Sodium Acetate Trihydrate (CAS No. 6131-90-4, CH3COONa·3H2O) is a food-grade crystalline salt engineered for high-demand liquid formulation environments. Manufactured by Shanxi Zhaoyi Chemical Co., Ltd. — a company that has been making acetate since 1988 and has more than 30 years of experience in the field. This product gives consistent E262(i) performance in fizzy drinks, sports drinks and juices that can be kept on the shelf. The company makes 150,000 tonnes of goods every year and has quality systems that are ISO 9001 certified. For basic and bulk B2B orders, it has lead times of 5 to 7 days and technical support 24 hours a day, 7 days a week.

Technical Specifications
Parameter | Specification |
Chemical Formula | CH₃COONa·3H₂O |
CAS Number | 6131-90-4 |
Molecular Weight | 136.08 g/mol |
Appearance | Colorless crystals/white powder |
Content (as CH₃COONa·3H₂O) | 99-100% |
Free Alkali | ≤0.12% |
pH (1:20 solution) | 7.5-9.5 |
Potassium (K) | ≤0.01% |
Lead (Pb) | ≤0.0005% |
Arsenic (As) | ≤0.0001% |
Free Water | ≤0.1% |
Specific Gravity | 1.45 |
Melting Point | 58℃ |
Solubility (0°C) | ~76g/100ml water |

What Is Beverage Sodium Acetate Trihydrate and How Does It Work?
This chemical is used as an acidity regulator in sodium acetate beverage mainly via its buffering activity. It buffers the pH of your beverage composition within a narrow range to avoid acid hydrolysis of sensitive constituents like Aspartame and natural flavor compounds.
Unlike a normal acidulant it acts as a buffer system – neutralizing both acid and alkaline swings. This implies your product is at the desired pH from the moment it leaves the mixing tank until it arrives at the warehouse for retail distribution.
It also serves as a flavor modifier besides buffering . It adds intense citric acid notes and hides the metallic aftertaste of high intensity sweets for a cleaner, more pleasant flavor profile in your final product.

Key Product Characteristics
It occurs as clear, colourless crystals with a faint odour of acetic acid and a chilly, salty taste. It dissolves swiftly in water and its solubility rises considerably with temperature . As such, it is great for preparing cold beverages when dissolving quickly is vital .
The anhydrous form of sodium acetate releases more heat on dissolution than the trihydrate form. This reduces the danger of heat damage while preparing big quantities and makes it safer to use automated mixing devices.
The strict control of alkalinity prevents unintentional pH spikes in your formulation. Combined with a tightly controlled Loss on Drying (38.0%–41.0%), each batch delivers predictable, repeatable performance in dosing and buffering applications.
Application Scenarios in Beverage Formulation
Electrolyte and Isotonic Sports Drinks
When used as a sodium electrolyte source, this food additive sodium acetate trihydrate also prevents pH drift in complex mineral formulations. In drinks containing potassium and magnesium, pH instability causes mineral precipitation — an issue directly resolved through its buffering action. It simultaneously masks the bitter notes inherent to mineral fortification.
Shelf-Stable Fruit Juices and Nectars
It works as a stabiliser that works well with sodium benzoate and potassium sorbate by lowering the activity of water and keeping the pH level stable in a way that kills germs. This might help lower the amount of stronger chemicals used generally, which is good for the taste and look of the label.
Soft drinks with carbonation and added sugar
When making diet soda, the sodium acetate E262 beverage application is very useful. Stable pH levels are necessary to keep Aspartame from breaking down over a long period of time. This compound keeps the target pH level throughout the whole supply chain. This protects the sensory quality from the time it is made until it is in the consumer's hands.

Beverage Sodium Acetate Trihydrate vs Other Products
Feature | Our Beverage Sodium Acetate Trihydrate | Sodium Citrate | Potassium Acetate | Anhydrous Sodium Acetate |
Buffering Capacity | Excellent (pH 7.5-9.5) | Good (pH 4.5-7.0) | Excellent | Excellent |
Dissolution Heat | Minimal (trihydrate) | Minimal | Minimal | High (exothermic) |
Sodium Content | ~17% | ~25% | 0% | ~29% |
Taste Profile | Clean, slight cooling | Slightly sour | Clean, bitter notes | Clean |
Cold-Fill Solubility | Rapid (76g/100ml at 0°C) | Moderate | Rapid | Slow |
Cost Efficiency | High | Moderate | Lower | High |
Sweetener Protection | Superior | Good | Superior | Superior |
Heavy Metal Control | Pb ≤5ppm, As ≤1ppm | Varies | Varies | Varies |
Storage Stability | Requires dry conditions | Excellent | Excellent | Excellent |
Quality Control and Testing Standards
Procurement and QA teams evaluating this product should understand the key inspection metrics applied at our facility.
Clarity of Solution: Each batch is tested at 1 g/10 ml water concentration. No turbidity or insoluble matter is acceptable — critical for clear beverage applications where visual contamination is immediately apparent to the consumer.
Heavy Metals Analysis (ICP-MS): To meet FCC and EFSA standards, strict tests are done for Lead, Mercury, and Arsenic. The results back up regulatory compliance for products that are used in large amounts every day.
Oxidisable Substances: This test detects organic toxins (e.g. reducing sugars, aldehydes) that might affect the brewing process or influence the flavour of the drink during storage.
Particle Size Distribution (PSD): Uniform granulation means that automated dosing hoppers may be operated efficiently and clumps are not formed in batch mixing, which is a crucial factor in operating high throughput production lines.
Core Formulation Value for B2B Buyers
It's not enough to just follow the rules when choosing the right Beverage Sodium Acetate Trihydrate acidity control.This product directly helps your production achieve the following:
- pH optimisation changes the ratio of sweet to sour just right, making the taste more refreshing without covering up the natural flavour.
- Stability in storage: Keeps pH stable during transport and storage, which extends the sense shelf life.
- Microbial control stops the growth of bacteria and yeast, which keeps the product fresh longer and cuts down on losses from spoilage.
- Colour stability: This keeps the colour of the drink consistent and stops it from fading or precipitating while it's being stored.
- Regulatory safety: fully meets national food additive standards and international E-number requirements; safe at recommended use levels; doesn't change the nutritional value.
Certifications & Compliance
Shanxi Zhaoyi Chemical Co., Ltd. maintains the following certifications relevant to food-grade buyers:
ISO 9001 — Quality Management System
ISO 14001 — Environmental Management System
ISO 45001 — Occupational Health and Safety Management System
Kosher Certification
Halal Certification (applicable food-grade products)
On request, you can get COA, MSDS, and certification papers in more than one language. International customers can do audits of the factory in person. All of our food-grade items meet the FCC and E262 purity standards that are used in the EU and North America.

Packaging and Storage
Packaging options:
- 25 kg plastic woven bag
- 1,000 kg ton bag
Store in a dry, cool and properly ventilated facility. Do not expose to heat and humidity during shipping. Do not drop or abuse. Do not crush packing. Avoid contact with harmful or incompatible chemicals.

FAQ
Q : What does the product do in carbonated drinks ?
A:It is a buffering agent (E262i), which may maintain pH throughout manufacture, storage and distribution. This is particularly critical in diet sodas as pH fluctuations destroy Aspartame and shorten the shelf life of sweetness.
Q: Can I use this product safely in my everyday drink?
A: Yeah. It is entirely compliant with FCC, EU E262 and national food additive requirements. Heavy Metals restrictions (Lead < 2 mg/kg, Arsenic < 3 mg/kg) are strictly monitored and well under safe intake criteria.
Q: What is the difference between anhydrous sodium acetate used in beverages?
A:The trihydrate form is less exothermic, making it safer and more practical for cold-fill lines and large-batch mixing. Additionally, its solubility profile is more compatible with lower temperature processing conditions than the anhydrous grade.
Q: Can this product reduce the amount of chemical preservatives needed in juice formulations?
A: Yes, of course. It works as a preservative synergist with sodium benzoate or potassium sorbate, decreasing water activity and changing pH for antibiotic action. This lets formulators use less preservative overall while still staying safe.
Q: What kinds of paperwork do I need to send in for legal reasons?
A: We offer COA, MSDS, Halal, and Kosher approvals and compliance paperwork in multiple languages. We also have ISO 9001, 14001, and 45001 certifications. On-site audits can be set up by qualified buyers.
Q: What is the minimum order quantity and lead time?
A: Orders usually get sent in 5 to 7 business days. You can get stock orders in 24 hours. Comes in sacks of 25 kg or 1,000 kg tonnage. Please get in touch with us if you have any questions about your specific volume or packaging needs.
Contact Us
Ready to source food-grade Beverage Sodium Acetate Trihydrate for your next formulation project? Contact our team at sxzy@sxzhaoyi.com — we respond within 2 hours.
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