sodium acetate hydrate

Product Name: Sodium Acetate Hydrate
CAS NO.: 6131-90-4
Molecular Formula: CH₃COONa·3H₂O
Molecular Weight: 136.08
Character: Colorless or white transparent crystals. It is readily soluble in water and slightly soluble in alcohol. It has hygroscopic properties, a specific gravity of approximately 1.45, and a melting point of approximately 58°C.
Usage: It is widely used as a buffering agent, pH regulator, textile dyeing auxiliary, electroplating additive, concrete additive, pharmaceutical intermediate, laboratory reagent, and wastewater treatment chemical.
Package: 25 kg plastic woven bag with inner polyethylene liner or 1000 kg ton bag.
Storage: It should be stored in a dry and well-ventilated warehouse. Keep away from heat, moisture, strong oxidizing agents, and poisonous substances. Handle carefully during transportation to prevent package damage.
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  • Product Description

Sodium Acetate Hydrate – Industrial Grade Buffering & Treatment Solution with 99%+ Purity

Shanxi Zhaoyi Chemical Co., Ltd. was founded in 1988. We make acetate series industrial chemicals. Production runs out of our standardized base, which covers 27,000 ㎡. Capacity holds steady at 150,000 tons each year. Around the world, industrial clients buy our high-purity Sodium Acetate Hydrate (CH₃COONa·3H₂O, CAS 6131-90-4). Molecular weight is 136.08 g/mol. Work on the crystal structure has brought improvements. Specific gravity is 1.45. Melting point is 58°C. This crystal is clear and colorless. Its physical and chemical properties stay stable. Water solubility is very good. Purity stays above 99%. We hold ISO certification. KOSHER approval is in place. HALAL approval is in place too. That makes it dependable in wastewater treatment. Textile dyeing is another use. Electroplating processing leans on it. Pharmaceutical intermediates lean on it as well. Other sectors across Europe, America, and Asia use it. So do other world markets.

about Shanxi Zhaoyi Chemical Co., Ltd.

Key Features & Benefits

High Purity and Consistency: Our this product keeps a moisture content of about 40% all the time. The assay purity is at least 99.0%. Many industrial production processes are sensitive to pH. For those, stable batch indicators guarantee steady and predictable results. That stops product quality from shifting because of unstable raw materials.

Buffering Capacity: The special trihydrate crystal structure helps hold and adjust the pH of water-based solutions in a steady way. For high-precision textile dyeing and electroplating bath conditioning, it is a perfect additive. The reason is simple. It keeps acid-base balance stable over the long term in complex industrial systems.

Cheaper Carbon Source: Hydrated sodium acetate from us costs less than the anhydrous grade. Biological activity stays the same. Used as a low-cost carbon supplement for biological denitrification in wastewater, it brings the total running costs of a treatment project down a lot.

Dissolves Fast and Clean: The product dissolves quickly and fully in water at room temperature. Nothing settles out at the bottom. Long pre-mixing and stirring steps are what old-style industrial batching calls for. Drop those steps and cycles get shorter. Spending on staff and equipment falls too.

Holds Up in Damp Conditions: Tight control is kept over the trihydrate crystal structure. Because of that, the material will not soak up too much moisture. It also will not turn into lumps when storage and shipping run long. Nothing gets weaker anywhere along the supply chain. Performance holds, and the readings stay steady.

Our Workshop

Technical Specifications

Parameter

Specification

Chemical Formula

CH₃COONa·3H₂O

CAS Number

6131-90-4

Molecular Weight

136.08 g/mol

Appearance

Colorless or white transparent crystals

Purity (Assay)

≥99.0%

Moisture Content

Approximately 40% (trihydrate)

Specific Gravity

~1.45

Melting Point

~58°C

Solubility

Readily soluble in water, slightly soluble in alcohol

pH (5% solution)

7.5: 9.0

Our Laboratory

How It Works

Two jobs do most of the work here. One is buffering by acetate ions. The other is ion exchange reactions. Industry depends on both. In wastewater treatment systems, heterotrophic denitrifying bacteria eat the acetate ions that this product gives them. That acetate acts as a carbon source, and it breaks down on its own. Nitrate pollution in the sewage then turns into nitrogen gas, thanks to those bacteria. The water comes out cleaner, and denitrification gets done.

During textile dyeing, free acetate ions hold the pH of a dye bath steady. The buffering is mild, and it stays put. Dye adsorption works better because of it, and fabric color fastness does too. Crystals dissolve at an even pace, so the pH never swings around. Fibers come out unharmed, and quality defects in the fabric never happen.

In electroplating, acetate ions meet metal ions in the plating solution. They join into stable complex structures. That makes the plating environment better. Metal coatings come out more even, smoother, and brighter. Buffering that lasts keeps the electrolyte steady through the whole plating cycle. So the solution has to be swapped out less often.

Applications

Wastewater Treatment: This is a carbon source that nature breaks down, and it performs well in biological nutrient removal systems. Denitrification efficiency climbs, and it stays there. Municipal and industrial sewage plants can then meet their total nitrogen discharge limits.

Textile Industry: In reactive and disperse dyeing it acts as a dyeing auxiliary and a pH regulator. Dye levelness comes out better, and the fabric keeps its wash fastness as well. Quality of the finished textile goes up.

Electroplating: Nickel, chrome, zinc and other plating baths stay steady with it in the mix. Coatings hold up against pitting and other defects. Plated parts get a much better surface finish and more even coverage.

Concrete Additives: During summer concrete work, it holds back hydration. Mortar stays workable longer. Big pours get easier because of that, even when they go on for hours.

Pharmaceutical Intermediates: It serves as a stable pH buffer in the making of APIs and dialysis solutions. Both purity and stability hold steady. That is exactly what pharma production depends on.

Laboratory Reagents: Analytical chemistry labs reach for it all the time. Standard buffer solutions and routine titrations are two common tasks. Results stay steady, and they can be repeated.

Product Comparison

Feature

Sodium Acetate Hydrate

Anhydrous Sodium Acetate

Methanol

Moisture Content

~40%

≤0.5%

N/A

Carbon Content

Lower per kg

Higher per kg

Higher

Dissolution Speed

Fast

Very fast

Immediate

Safety Profile

Non-toxic

Non-toxic

Flammable, toxic

Storage Requirements

Moderate moisture control

Strict moisture-proof

Hazardous storage

Cost Efficiency

High

Moderate

Variable

Typical Application

Sewage treatment, dyeing

Chemical synthesis

Industrial solvent

Certifications & Compliance

Our production base strictly implements ISO 9001 quality management system standards to achieve standardized production and stable batch quality. The product has passed official KOSHER and HALAL certification, meeting the compliant use requirements of special industries and regional markets.

Each batch of sodium acetate hydrate gets lab tested before it ships. We check heavy metals, chloride ions, organic impurities, and other indicators. A full official Certificate of Analysis (CoA) goes out with every shipment. Customers use it for quality inspection and for customs clearance.

Our Certifications

Packaging Options for sodium acetate hydrate

Standard Packaging: Our 25kg plastic woven bags come with thicker PE inner liners. Thanks to the multi-layer structure, moisture stays out. Outside humidity never gets in. Normal mid-scale industrial orders and day-to-day use are what it fits best.

Bulk Packaging: For large-volume industrial users, 1000kg FIBC jumbo bags are one option. Automatic mechanical unloading works with them. Less packaging waste is the result, and manual handling costs go down in mass production.

Custom Packaging: We support personalized packaging customization according to customers’ special usage scenarios, storage conditions and shipping requirements, including customized bag specifications and enhanced moisture barrier packaging solutions.

Packaging and Shipping

Manufacturing Process

Our line runs on controlled crystallization. This method has proven itself over the years and gives a precise result. High-purity acetic acid and sodium hydroxide are the main raw materials. They react with each other in a neutralization step. Next, the reaction solution moves through several evaporation stages. Constant-temperature crystallization then turns it into standard trihydrate crystals.

After that, the crystallized crude product goes through centrifugal separation. Careful cleaning follows, then drying in stages. Moisture is kept under tight control. It never moves outside the standard 40% range. Quality checks run the whole time, nonstop, at every step of production. So batch indicators come out the same every round. There is zero difference between them.

Every part of the line runs as an automated closed loop. Fewer hands touch the product, so contamination from people becomes less of a risk and the plant stays safer to work in. A full water recycling system is built in too. It lowers the energy the plant uses and eases the strain on the environment, while product quality still holds.

Why Choose Us

36 Years of Manufacturing Expertise: Since 1988, we have focused on the R&D and production of acetate series chemicals, continuously optimizing production processes to deliver ultra-stable and products for global industrial clients.

Massive Production Scale: With an annual output of 150,000 tons, we have sufficient inventory reserves to cope with market peak demand, completely avoiding order delivery delays and ensuring stable and continuous supply for long-term cooperative customers.

Global Distribution Network: Our logistics ties go back years, and they are steady. Goods reach Europe, America, Asia and other regions. Export papers come complete, and we back them with compliance support. Buying from overseas gets a lot simpler for you.

Customer-Centric Approach: After-sales service from us runs one-stop. Our technical team walks you through dosing calculations. Need to reorganize warehouse storage? They help with that. When a problem shows up on site, they step in to find the cause. All of it is meant to lift your production efficiency.

Competitive Pricing: We make the product ourselves. No middleman markup lands on your invoice. Large-scale output keeps our costs low. You get strong value for your money, and bulk orders earn volume discounts. Those discounts are not offered to everyone.

Our Customer

FAQ

Q: How long can the product stay good when you store it the normal way?

A: A1: Put it in a dry warehouse. Air must move well, and moisture has to stay out. Kept that way, the product holds its full physical and chemical stability. Shelf life is at least 24 months.

Q: Can this product stand in for anhydrous sodium acetate in every single use case?

A: A2: It cannot be fully substituted. Hydrated products are not applicable for water-sensitive chemical synthesis scenarios, and are more suitable for conventional industrial fields that do not require anhydrous conditions.

Q: How does it perform compared with glucose in wastewater denitrification?

A: A3: This professional carbon source works faster during denitrification. It also makes less excess sludge. So sludge disposal costs drop, and your overall water treatment operating expenses go down.

Q: Do you offer professional technical help when we use the product?

A: A4: Yes. Our professional application engineers provide free dosing calculation, process optimization and equipment matching guidance according to customers’ actual production and water quality conditions.

Q: What is the lowest order quantity you take for your product?

A: A5: The standard MOQ is 1 ton. For new customers, we also accept small-batch trial orders. You can use them to verify product applicability and on-site usage effects.

Our Exhibitions

Request a Quote

Send your detailed procurement requirements for sodium acetate hydrate to sxzy@sxzhaoyi.com. We will reply with a formal quotation within 24 working hours.​​​​​​​

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