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Sodium acetate

Sodium acetate
Sodium acetate
Chemical Name:
Sodium acetate
FEMA 3024;NA ACETATE;octansodny;Octan sodny;sodiiacetas;Natriumacetat;MAGGRAN(R) NA;SODIUM ACETATE;femanumber3024;MAGNESIA 87844
Molecular Formula:
Formula Weight:
MOL File:

Sodium acetate Properties

Melting point:
>300 °C (dec.)(lit.)
1.01 g/mL at 20 °C
refractive index 
Flash point:
>250 °C
storage temp. 
H2O: 3 M at 20 °C, clear, colorless
8.9 (25℃, 100mg/mL in water, 0.1 M agueous sodium acetate solution)
Water Solubility 
500 g/L (20 ºC)
Stable. Incompatible with strong oxidizing agents, halogens. Moisture sensitive.
CAS DataBase Reference
127-09-3(CAS DataBase Reference)
NIST Chemistry Reference
Sodium ethanoate(127-09-3)
EPA Substance Registry System
Acetic acid, sodium salt(127-09-3)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Safety Statements  22-24/25
WGK Germany  1
RTECS  AJ4300010
HS Code  29152200
Hazardous Substances Data 127-09-3(Hazardous Substances Data)
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H303 May be harmfulif swallowed Acute toxicity,oral Category 5 P312
Precautionary statements:

Sodium acetate price More Price(91)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 229873 Sodium acetate 99.995% trace metals basis 127-09-3 10g $88 2018-11-13 Buy
Sigma-Aldrich 1613407 Sodium acetate United States Pharmacopeia (USP) Reference Standard 127-09-3 1g $352.8 2018-11-13 Buy
Alfa Aesar 011005 Sodium acetate, anhydrous, 99.997% (metals basis) 127-09-3 25g $114 2018-11-16 Buy
Alfa Aesar 011005 Sodium acetate, anhydrous, 99.997% (metals basis) 127-09-3 5g $29 2018-11-16 Buy
Cayman Chemical 400037 Sodium Acetate 127-09-3 100dtn(0.82g) $8 2018-11-15 Buy

Sodium acetate Chemical Properties,Uses,Production


Sodium acetate (CH3COONa) is the sodium salt of acetic acid. It appears as a colorless deliquescent salt with a wide range of applications. In industry, it can be used in textile industry to neutralize sulfuric acid waste streams and as a photoresist upon using aniline dyes. In concrete industry, it can be used as a concrete sealant to mitigate the water damage. In food, it can be used as a seasoning. It can also be used as a buffer solution in lab. In addition, it is also used in heating pads, hand warmers and hot ice. For laboratory use, it can be produced by the reaction between acetate with the sodium carbonate, sodium bicarbonate and sodium hydroxide. In industry, it is prepared from the glacial acetic acid and sodium hydroxide.

Chemical Properties

Anhydrous salt is a colorless crystalline solid; density 1.528 g/cm3; melts at 324°C; very soluble in water; moderately soluble in ethanol. The colorless crystalline trihydrate has a density 1.45 g/cm3; decomposes at 58°C; is very soluble in water; pH of 0.1M aqueous solution is 8.9; moderately soluble in ethanol, 5.3 g/100mL.


Sodium acetate is a mordant in dyeing. Other applications are in photography, as an additive to food, in purification of glucose, in preservation of meat, in tanning, and as a dehydrating agent. In analytical chemistry it is used to prepare buffer solution.
Sodium acetate can be used to preserve processed meats and it is often used in combination with other acid based preservatives like lactates and propionates. The typical inclusion level is 0.2 to 0.5%. Sodium acetate is also used in salad dressings and ready-to-eat meals.


Used as buffers.
Acidity regulation (buffering)
Sodium acetate mixed with acetic acid forms a pH buffer, which can be used to stabilise the pH of foods in the pH-range from 3 to 6. The table below gives indicative values of the composition needed to give a certain pH. The mixtures below can be diluted at least 10 times with minimum effect on pH, however, the stability decreases.
Acidity regulation (Sodium acetate buffering)


Sodium acetate is prepared by reacting sodium hydroxide or sodium carbonate with acetic acid in aqueous solution. The solution is evaporated to obtain hydrated crystals of sodium acetate.
Na2CO3 + CH3COOH → 2CH3COONa + CO2 + H2O

Reactivity Profile

When sodium acetate reacts with strong acids, irritating, noxious vapors of acetic acid are usually produced. Sodium acetate is sufficiently basic to catalyze the violent polymerization of diketene, perhaps as well as other reactive dimers that are susceptible to polymerization in the presence of a mild base.

Biological Activity

Commonly used laboratory reagent

Purification Methods

Crystallise it from acetic acid and keep it under vacuum for 10hours at 120o. Alternatively, it is crystallised from aqueous EtOH, as the trihydrate. This material can be converted to anhydrous salt by heating slowly in a porcelain, nickel or iron dish, so that the salt liquefies. Steam is evolved and the mass again solidifies. Heating is now increased so that the salt melts again. (NB: if it is heated too strongly, the salt can char; avoid this.) After several minutes, the salt is allowed to solidify and is cooled to a convenient temperature (in a desiccator) before being powdered and bottled. The water content should now be less than 0.02%. [Beilstein 2 II 113, 2 III 184, 2 IV 109.]

Sodium acetate Preparation Products And Raw materials

Raw materials

Preparation Products

Sodium acetate Suppliers

Global( 380)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Jiangsu Kolod Food Ingredients Co.,Ltd.
+86-518-85110578 18805133257
+86-518-85110578 CHINA 92 60
Capot Chemical Co.,Ltd.
+86 (0)571-855 867 18
+86 (0)571-858 647 95 China 19957 60
Henan DaKen Chemical CO.,LTD.
+86-371-55531817 CHINA 22080 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693 CHINA 20795 55
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32764 55
Tianjin Zhongxin Chemtech Co., Ltd.
022-66880086 CHINA 560 58
Shanghai Aladdin Bio-Chem Technology Co.,LTD 021-20337333/400-620-6333
021-50323701 China 25126 65
Shanghai BaiShun Biological Technology Co., Ltd 021-37581181
021-57456066 China 10391 58
Hefei TNJ Chemical Industry Co.,Ltd. +86 (551) 65418695 65418696
+86 (551) 65418697 China 1944 62
Jiangsu Kolod Food Ingredients Co.,Ltd. 18861332158
+86-518-85115307 China 75 58

View Lastest Price from Sodium acetate manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2017-08-31 Technical Grade Food Grade pharmaceutical Grade Sodium Acetate Granule and powder
US $2.00 / KG 25KG 99.0%--101.0% 200tons Jiangsu Kolod Food Ingredients Co.,Ltd

Sodium acetate Spectrum

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