Sodium acetate trihydrate CAS 6131-90-4 provides 58%-60% purity in colorless transparent crystal form. Its crystal-water structure supports reusable heating pads through exothermic crystallization. In addition, the product dissolves well in water and serves buffering, textile dyeing, leather processing, wastewater treatment, laboratory, and construction material applications.
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Formula:
CH₃COONa·3H₂O
CAS Number:
6131-90-4
Purity:
58%-60%
Common Name
Sodium Acetate Trihydrate
Molecular Weight:
136.08
Appearance:
Colorless transparent crystals
Sodium acetate is the sodium salt of acetic acid, commonly appearing as either transparent crystals (trihydrate) or white crystalline powder (anhydrous). Because of its buffering properties and mild alkalinity, sodium acetate Trihydrate is widely used in industrial processes requiring pH regulation, chemical stability, and high solubility. It is commonly used in:
Sodium acetate trihydrate is a crystalline organic salt with strong water solubility and stable buffering behavior. This hydrated sodium acetate grade carries CAS 6131-90-4 and provides 58%-60% purity. Its clear crystal form makes it suitable for applications that need predictable dissolution, controlled crystallization, and consistent chemical composition.
Unlike anhydrous sodium acetate, the trihydrate form contains crystal water. When exposed to dry air, it may gradually lose part of this water. When heated to about 123°C, it converts into anhydrous sodium acetate. These physical changes give the product value in both chemical processing and heat-release applications.
Reusable heating pads use sodium acetate trihydrate because of its exothermic crystallization behavior. After activation, the supersaturated solution begins to crystallize and releases heat. As a result, the material can support reusable warming products such as hand warmers, therapy packs, and selected consumer heating items.
In industrial processing, this crystal grade also works as a buffering agent. Textile manufacturers use it in dyeing systems where pH control affects color performance. Leather processing facilities may apply it during treatment steps that need stable chemical conditions. At the same time, environmental engineering projects can use sodium acetate products in wastewater-related processes.
The product also fits laboratory formulations, construction materials, and general chemical manufacturing. Its crystal form supports convenient storage and measured dosing. In addition, the 58%-60% purity range reflects the hydrated composition and helps distinguish it from dry powder grades.
Vanchor supplies sodium acetate trihydrate with controlled specification checks and export-ready packaging. For customers comparing hydrated and anhydrous grades, Vanchor can support grade selection according to moisture requirements, dissolution behavior, buffering needs, and final application conditions.
Sodium acetate Trihydrate is widely used as a buffering agent and mordant in textile dyeing processes. It helps maintain stable pH conditions during dye fixation, ensuring:
In leather processing, sodium acetate trihydrate functions as a neutralizing agent, improving leather softness and processing consistency
In construction materials, sodium acetate Trihydrate is used as a concrete sealing agent and waterproofing additive. Benefits include:
These benefits make sodium acetate trihydrate a reliable choice for construction waterproofing applications.
Sodium acetate Trihydrate is an important intermediate used in the production of:
Its stable chemical properties ensure consistent performance in industrial chemical reactions.
Sodium Acetate Trihydrate
| Common Name | Sodium Acetate Trihydrate |
| CAS Number | 6131-90-4 |
| Molecular Formula | CH₃COONa·3H₂O |
| Molecular Weight | 136.08 |
| Appearance | Colorless transparent crystals |
| UN NO. | NR |
| Hazard Class | NC |
We provide export-grade packaging suitable for global chemical distribution.
Available as Trihydrate Crystals & Anhydrous Powder
Manufactured under Strict Quality Control Standards
Superior Buffering Performance
Meets Large-Scale Industrial Demand
Secure Packaging & Global Logistics
We support chemical distributors, textile factories, wastewater treatment companies, and industrial manufacturers worldwide.
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We supply high-quality sodium acetate Trihydrate for textile processing, wastewater treatment, construction materials, and chemical manufacturing industries.
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