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Sodium acetate, sodium acetate, made in China, 127-09-3,Content 56%, appearance is white crystals or powder buy - large image1

Sodium acetate, sodium acetate, made in China, 127-09-3,Content 56%, appearance is white crystals or powder buy - image1

Sodium acetate, sodium acetate, made in China, 127-09-3,Content 56%, appearance is white crystals or powder buy - image2

Sodium acetate, sodium acetate, made in China, 127-09-3,Content 56%, appearance is white crystals or powder buy - image3

Sodium acetate, sodium acetate, made in China, 127-09-3,Content 56%, appearance is white crystals or powder buy - image4

Sodium acetate, sodium acetate, made in China, 127-09-3,Content 56%, appearance is white crystals or powder

21 Inquiries

Unit Price: Get Latest Price 

CAS No.:

127-09-3

Grade:

Industrial Grade

Content:

56%

Port:

Qingdao Port

Brand:

zhencheng

Packaging:

25 kg packed in PE film and woven bag

Price valid (until):

2026-04-12

Contact Supplier

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Henan Zhencheng Environmental Protection Technology Co., Ltd

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Polyacrylamide,Polyaluminum Chloride,Poly Ferric Sulfate,Aluminium Sulfate,Activated Carbon / Activated Charcoal,Quartz Sand Filter Media

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Product Description
Seller Information
Inquiry History

Description

Detailed Technical Description of Sodium Acetate (for Sewage Treatment)

I. Basic Product Information

Sodium Acetate, with the chemical name sodium acetate, has molecular formulas of CH₃COONa (anhydrous) and CH₃COONa·3H₂O (trihydrate), and molecular weights of 82.03 (anhydrous) and 136.08 (trihydrate) respectively. Its CAS numbers are 6131-90-4 (anhydrous) and 6131-90-4 (trihydrate), and it belongs to the class of inorganic acid salt compounds. In the field of sewage treatment, sodium acetate is mainly used as an external carbon source, pH buffer, and sludge conditioner. It exists in two forms: solid (trihydrate crystal, anhydrous) and liquid. It has the characteristics of non-toxicity, easy solubility, and strong biodegradability. It is one of the most commonly used and safest external carbon sources in sewage treatment at present, and is widely applied in the biochemical treatment processes of municipal sewage and industrial wastewater, especially suitable for denitrification treatment of sewage with low carbon-nitrogen ratio and stable regulation of biochemical systems.

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II. Product Usage Characteristics

(1) Core Usage

Denitrification and Nitrogen Removal (Primary Usage)

In the biological nitrogen removal process of wastewater treatment, when the natural carbon source (such as BOD) in the wastewater is insufficient and the carbon-nitrogen ratio (C/N < 4), denitrifying bacteria cannot fully reduce nitrate nitrogen (NO₃⁻) and nitrite nitrogen (NO₂⁻) into nitrogen gas (N₂) for discharge, resulting in excessive total nitrogen (TN) in the effluent. As a small-molecule and easily degradable carbon source, sodium acetate can directly serve as an electron donor for denitrifying bacteria, be quickly absorbed and utilized by microorganisms, accelerate the denitrification process, and significantly improve nitrogen removal efficiency. It is a core agent for solving the problem of nitrogen removal in wastewater with a low carbon-nitrogen ratio. Its denitrification rate is faster than that of glucose, and its startup speed is better than that of methanol. It can effectively assist wastewater treatment plants in upgrading and transforming (such as TN ≤ 15/10mg/L). It is suitable for municipal wastewater treatment plants, as well as the treatment of high-nitrogen and low-BOD wastewater in chemical, pharmaceutical, and food industries, and for enhancing nitrogen removal in processes such as MBR and denitrification filters.

Shop Sodium acetate, sodium acetate, made in China, 127-09-3,Content 56%, appearance is white crystals or powder-Detailed Image 2

2.Enhanced Biological Phosphorus Removal

In the biological phosphorus removal process, sodium acetate can assist the function of phosphorus-accumulating bacteria: in the anaerobic stage, phosphorus-accumulating bacteria absorb acetic acid produced by the decomposition of sodium acetate, synthesize polyhydroxyalkanoates (PHA) and release the phosphorus stored in their bodies; in the aerobic stage, phosphorus-accumulating bacteria decompose PHA to obtain energy, excessively absorb phosphorus in wastewater, and finally achieve phosphorus removal through sludge discharge. Adding sodium acetate can improve the stability of phosphorus removal, which is especially suitable for biochemical treatment systems with insufficient carbon sources, reducing fluctuations in phosphorus removal efficiency caused by carbon source deficiency and lowering the risk of excessive phosphorus content in effluent.

Shop Sodium acetate, sodium acetate, made in China, 127-09-3,Content 56%, appearance is white crystals or powder-Detailed Image 3

3.Maintaining sludge activity and system stability

Sodium acetate can provide sufficient energy and carbon sources for heterotrophic bacteria in sewage, effectively preventing sludge aging and bulking, and maintaining the good settling performance and biological activity of sludge. When the biochemical system encounters abnormal conditions such as fluctuations in influent load, low-temperature environment, and toxic impact, adding sodium acetate can quickly supplement the carbon source, help microorganisms restore their activity, stabilize the operation of the biochemical system, reduce the risk of system paralysis, and lower operation and maintenance costs. Experiments have shown that the use of high-quality sodium acetate can increase the denitrification rate of the sewage treatment system to more than 82%, reduce chemical consumption by 30%, and at the same time reduce sludge production (20%-30% lower than glucose), alleviating the pressure of subsequent sludge disposal.

Shop Sodium acetate, sodium acetate, made in China, 127-09-3,Content 56%, appearance is white crystals or powder-Detailed Image 4

4.pH Buffering and Water Quality Regulation

Aqueous sodium acetate solution is weakly alkaline (with a pH of approximately 8-9). Its acetate ions and acetic acid can form a buffer system (CH₃COONa/CH₃COOH), which can neutralize the hydrogen ions (H⁺) produced by the nitrification reaction in sewage. This stabilizes the pH value of the water body within the range of 6.5-8.5, which is suitable for microorganisms, preventing acidic conditions from inhibiting microbial activity and reducing the corrosion of treatment equipment by acidic sewage. In addition, its weak alkalinity can also assist in the precipitation of heavy metals (such as Pb and Cd), reduce the content of heavy metals in sewage, and improve the quality of effluent water.

5.Other auxiliary uses

In the chemical flocculation process, sodium acetate can adjust the pH value of sewage, enhance the flocculation effect of flocculants such as aluminum salts and iron salts, and promote the settlement of suspended solids in sewage; in an anaerobic treatment environment, it can be used as a carbon source to reduce the activity of sulfate-reducing bacteria, decrease the production of hydrogen sulfide (H₂S), and reduce odor pollution; at the same time, sodium acetate can also improve the biodegradability of sewage, accelerate the speed of biological treatment, and is especially suitable for the pretreatment of refractory industrial wastewater, creating favorable conditions for subsequent biochemical treatment.

(II) Product Features

1.High Safety

It is non-toxic, odorless, and non-corrosive (weakly alkaline, with minimal irritation to skin and mucous membranes). It is not classified as a flammable or explosive dangerous good. The processes of storage, transportation, and dosing are safe and convenient, with no risks of explosion or poisoning. It is suitable for large-scale use in municipal and various industrial sewage treatment plants. Compared with carbon sources such as methanol (flammable and toxic) and acetic acid (corrosive), it has significant safety advantages.

2.Strong Biodegradability

Sodium acetate is a natural organic acid salt that can be completely degraded by microorganisms. Its decomposition products are carbon dioxide (CO₂) and water (H₂O), which do not cause secondary pollution, leave no residues in water bodies, and will not lead to an increase in effluent COD (under the premise of reasonable dosing). It conforms to the concept of green and environmentally friendly sewage treatment.

3.Excellent Dissolution Performance

Solid sodium acetate (trihydrate) is easily soluble in water with a fast dissolution rate. Its solubility can reach 46.5g/100mL of water at 20℃, and no complex dissolution equipment is required. Liquid sodium acetate can be directly dosed without a dissolution step, enabling rapid and uniform mixing with sewage, reducing the stirring time after dosing, and improving treatment efficiency. The sodium acetate product with improved technology has a dissolution rate increased by 40% and can still dissolve quickly in a low-temperature environment of 5℃, solving the problem of dosing in winter in northern regions.

4.Wide Applicability

It is compatible with various sewage treatment processes, including biochemical treatment processes such as A²/O, SBR, MBR, and oxidation ditch. It can be used in the treatment of different types of sewage such as municipal sewage, chemical wastewater, food wastewater, printing and dyeing wastewater, and pharmaceutical wastewater. It can not only meet the conventional needs of nitrogen and phosphorus removal but also be used for emergency carbon supplementation and water quality adjustment in biochemical systems. It is suitable for the needs of sewage plants with different water qualities and treatment scales, with strong batch stability, and the molecular weight fluctuation range can be controlled within ±0.5%.

5.Balanced Cost-Effectiveness

Although the unit cost is higher than that of methanol, the overall cost-effectiveness is better when comprehensively considering treatment efficiency, safety, sludge disposal costs, and operation and maintenance difficulty. It has high denitrification efficiency, which can reduce the dosage of chemicals (saving 15%-20% compared with glucose), and the sludge output is low, which can reduce the subsequent sludge disposal costs. Long-term use can achieve a balance between efficiency and cost. At the same time, precise metering and dosing can be adopted to avoid waste and further optimize the use cost.

6.Diverse Forms, Suitable for Different Scenarios

It is available in two forms: solid (trihydrate crystal, anhydrous) and liquid. Solid products are easy to store and have low transportation costs, suitable for long-distance transportation and small-batch dosing scenarios. Liquid products dissolve quickly and are convenient to dose, which can be automatically dosed continuously through a metering pump, suitable for large-scale and continuous sewage treatment scenarios. Users can choose the appropriate form of the product according to their own treatment scale, transportation conditions, and dosing equipment.

III. Quality Standards

Shop Sodium acetate, sodium acetate, made in China, 127-09-3,Content 56%, appearance is white crystals or powder-Detailed Image 5

The quality standards for sodium acetate used in sewage treatment are strictly formulated in accordance with relevant national and industrial standards, combined with the special needs of sewage treatment scenarios, to ensure stable product quality, safe use, and effective treatment. The following are detailed quality standards (including testing methods), covering industrial-grade solid and liquid products, while referring to food-grade standards for reference in high-end scenarios.

Basic Quality Requirements

1.Appearance Quality: Solid products shall be free of visible impurities and caking (slight moisture absorption and caking are allowed, with no impurities after crushing); liquid products shall be free of precipitation and suspended solids, with uniform color and no obvious peculiar smell, meeting the appearance index requirements corresponding to their forms.
2.Purity Requirements: The main content shall meet the corresponding specification standards. The main content of anhydrous sodium acetate shall be ≥99.0%, the main content of sodium acetate trihydrate shall be ≥98.0% (or 58.0%, 60.0%), and the concentration of liquid sodium acetate shall be stable within the specified range with a fluctuation not exceeding ±1%, to ensure stable denitrification efficiency.
3.Impurity Control: The contents of harmful impurities such as heavy metals, arsenic, chlorides, and sulfates shall be strictly controlled within the standard range to avoid inhibiting microbial activity, causing secondary pollution, or corroding equipment; the content of water-insoluble substances shall be extremely low to prevent blockage of dosing pipelines and equipment.
4.Physicochemical Properties: Physicochemical indicators such as pH value, solubility, and COD equivalent shall meet the standards to ensure that the product can work quickly and adapt to the biochemical reaction needs of sewage treatment; indicators such as loss on drying of solid products and density of liquid products shall meet the standards to ensure product stability.

Quality Control Specifications

1.Raw Material Control: Use high-quality acetic acid (glacial acetic acid) and sodium hydroxide (or sodium carbonate) as raw materials. The purity of raw materials shall be ≥ 99.0%, and the content of impurities such as heavy metals and arsenic shall meet relevant standards to prevent inferior raw materials from affecting product quality.
2.Production Process Control: Adopt an automated production line to realize closed-loop control of the entire process including raw material purification, reactor synthesis, drying (for solid products), dilution (for liquid products), and packaging.
Strictly control parameters such as reaction temperature, time, and proportion to ensure uniform and stable product quality; conduct in-process control testing for each batch of products and adjust production parameters in a timely manner.
3.Finished Product Inspection: Before each batch of finished products is delivered from the warehouse, a full-item index inspection (main content, pH value, impurity content, etc.) must be carried out. Only after passing the inspection can the products be delivered, and a product quality inspection report shall be issued to ensure that each batch of products meets the standards; establish a product batch traceability system to facilitate the traceability of quality problems.
4.Storage and Transportation Control: Solid products shall be stored in dry, ventilated, and cool warehouses, protected from moisture, rain, and sunlight, and shall not be stored together with acidic substances; liquid products shall be stored in special storage tanks, sealed to prevent leakage and volatilization, and thermal insulation measures shall be taken in winter to avoid crystallization; during transportation, handle with care, prevent caking of solid products and leakage of liquid products, and ensure that the quality of products does not change during storage and transportation.

IV. Precautions

1.Storage: Solid sodium acetate is highly hygroscopic and must be stored in a sealed container in a dry, ventilated, and cool place, away from fire sources and acidic substances. Its shelf life is usually 2 years. Liquid sodium acetate should be stored in a sealed special storage tank, protected from direct sunlight and high-temperature environments, with a shelf life of 1 year.

Shop Sodium acetate, sodium acetate, made in China, 127-09-3,Content 56%, appearance is white crystals or powder-Detailed Image 6

2.Operation: Operators should wear protective gear such as gloves and masks to avoid direct contact with the skin and mucous membranes; if contact occurs accidentally, rinse with plenty of water, and there is no toxicity risk.

Shop Sodium acetate, sodium acetate, made in China, 127-09-3,Content 56%, appearance is white crystals or powder-Detailed Image 7

3.Compatibility: Avoid mixing or adding with strong acids and strong oxidants to prevent chemical reactions that affect the product's effectiveness; it can be used in conjunction with flocculants such as polyacrylamide and polyaluminum chloride to enhance treatment efficiency.
4.Emergency treatment: In case of leakage, solid products should be promptly cleaned up and collected into sealed containers; liquid products should be adsorbed with sand, and properly disposed of after collection to avoid contamination of soil and water bodies.
5.Cost control: The cost of sodium acetate is higher than that of methanol, so accurate metering and dosing are required to avoid waste; it can be compounded with other carbon sources according to the quality of sewage to balance treatment effectiveness and cost.

V. Summary of Product Advantages

Sodium acetate used in sewage treatment, as an efficient, safe, and environmentally friendly external carbon source, has the following core advantages compared with traditional carbon sources such as methanol, glucose, and acetic acid: ① High safety, non-toxic, non-flammable, non-corrosive, and convenient for storage and transportation; ② Fast denitrification rate, easily directly utilized by microorganisms, fast start-up speed, high nitrogen removal efficiency, which can increase the nitrogen removal rate to more than 82%; ③ It has a pH buffering function, which can stabilize the biochemical system and reduce the cost of acid-base adjustment; ④ Low sludge production, reducing the pressure of subsequent sludge disposal; ⑤ Diverse forms, suitable for different treatment scenarios, and customizable specifications and parameters; ⑥ Biodegradable, no secondary pollution, in line with the concept of green environmental protection. It is widely used in nitrogen and phosphorus removal from municipal sewage and industrial wastewater, as well as in the stable regulation of biochemical systems. It is the preferred agent for upgrading and reconstruction and efficient operation and maintenance in the sewage treatment industry.

Suitable for industrial wastewater

Shop Sodium acetate, sodium acetate, made in China, 127-09-3,Content 56%, appearance is white crystals or powder-Detailed Image 8

domestic sewage

Shop Sodium acetate, sodium acetate, made in China, 127-09-3,Content 56%, appearance is white crystals or powder-Detailed Image 9

Basic Info

Product Name:

Sodium acetate

Other Name:

Acetic acid,sodium salt (1:1);Sodium acetate;Acetic acid,sodium salt;Anhydrous sodium acetate;Cryotech NAAC;Safeway SD;Protecta Super;Sanmi-Ace 42;Smitey;325477-99-4;883902-29-2;1613375-15-7

CAS No.:

127-09-3

Molecular Formula:

C2H4O2.Na

InChIKeys:

InChIKey=BDKZHNJTLHOSDW-UHFFFAOYSA-N

Molecular Weight:

82.03380

Exact Mass:

82.00310

EC Number:

204-823-8

HScode:

2915291000

Categories:

Water Stabilizer

Characteristics

PSA:

40.13000

XLogP3:

-1.24380

Appearance:

DryPowder; DryPowder, Liquid; Liquid; PelletsLargeCrystals; WetSolid

Density:

1.528 g/cm³

Melting Point:

324 °C

Boiling Point:

117.1ºC at 760 mmHg

Flash Point:

40ºC

Refractive Index:

1.464 (20ºC)

Water Solubility:

H2O: 500 g/L (20 ºC)

Storage Conditions:

2-8ºC

Vapor Pressure:

13.9mmHg at 25°C

Explosive limit:

Combustible

Odor:

Odorless

PH:

8,0-9,5 (1 % aqueous solution)

See More Sodium acetate Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO open flames. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Dry. Separated from strong acids and strong oxidants.

See More Sodium acetate Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Polyacrylamide,Polyaluminum Chloride,Poly Ferric Sulfate,Aluminium Sulfate,Activated Carbon / Activated Charcoal,Quartz Sand Filter Media

Location:
No. 162, Shuanghe Village, Jiajinkou Town, Gongyi City

Payment Terms:
TT against copy of documents,D/P,L/C,100% TT in advance

Year of Establishment:
2014

Certifications:
trademark,Business License
Henan Zhencheng Environmental Protection Technology Co., Ltd., founded in 2000, focuses on deep cultivation in the environmental protection field. It is mainly engaged in the whole-process services of production, sales, inspection, analysis and on-site commissioning of water treatment chemicals, water purifiers, activated carbon, filter media and fillers, and is committed to providing professional and efficient water treatment solutions for various industries.

The company's main products cover multiple series, including:

Polyacrylamide (PAM)

Polyaluminum Chloride (PAC)

Poly Aluminum Ferric Chloride

Poly Ferric Sulfate (PFS)

Ferrous Sulfate

Activated Carbon

Filter Media

Fillers, etc.

The company always adheres to the bottom line of quality. Its products strictly implement relevant national and industry standards, and adopt advanced production processes and testing equipment to ensure that each batch of products meets quality requirements. With stable and reliable product quality, the company's products are widely used in many core fields such as papermaking, printing and dyeing, sewage treatment, chemical industry, coal gas, metallurgy, urban construction and environmental protection, providing strong support for water purification and environmental governance in various industries.

Over the years, the company has deeply cultivated the market and pursued innovation. Its products are sold to many countries and regions at home and abroad. With high-quality products and considerate services, it has won high praise and wide trust from global users, and its brand popularity and industry influence have steadily improved.

Upholding the philosophy of "equality and mutual benefit, friendly cooperation and win-win development", Henan Zhencheng Environmental Protection Technology Co., Ltd. is willing to make acquaintances with friends from all walks of life at home and abroad, carry out comprehensive and in-depth cooperation in environmental protection engineering project construction, technical exchange, product promotion and other aspects, work together to purify water quality, protect the ecological environment, and build a beautiful home where man and nature live in harmony.

Inquiry History

21 Inquiries

Country	Product	Purchase Quantity	Date Posted
Egypt	sodium acetate	100.00 KG	Jun 8, 2025
Vietnam	Anhydrous Sodium Acetate	1 20' Fcl	Jun 29, 2026
India	Sodium acetate anhydrous	20.00 MT	Mar 18, 2026
Bangladesh	sodium sulphate anhydrous sateri brand	10.00 20' Fcl	Aug 20, 2025
Kuwait	SODIUM ACETATE	1.00 20' Fcl	Apr 21, 2025
Pakistan	Sodium acetate	1.00 MT	Mar 31, 2025
United Arab Emirates	Sodium Acetate	1000.00 KG	Dec 9, 2024
Philippines	sodium acetate anhydrous	100 KG	Mar 12, 2024
Vietnam	Sodium Acetate Anhydrous	1 MT	Dec 9, 2025
Netherlands	Sodium Acetate	50	Aug 28, 2025
India	Sodium acetate	100.00 G	Jul 7, 2025
India	Sodium Acetate anhydrous	50 G	Jan 14, 2025
Vietnam	sodium acetate	15.00 20' Fcl	Dec 17, 2024
Pakistan	Sodium Acetate	1.00 MT	Oct 30, 2024
India	Sodium acetate	1.00 MT	Sep 5, 2024
India	Sodium Acetate	50.00 MT	Sep 11, 2023
Kuwait	SODIUM ACETATE	1.00 KG	Mar 28, 2025
India	Sodium Acetate	1 20' Fcl	Dec 3, 2024
India	sodium acetate	5.00 MT	Sep 20, 2024
Argentina	sodium acetate	5 KG	Mar 27, 2024

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Sodium acetate, sodium acetate, made in China, 127-09-3,Content 56%, appearance is white crystals or powder

Product Description

Seller Information