Sodium acetate (CAS 127-09-3)

Sodium acetate (CAS 127-09-3)

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Sodium acetate (CAS 127-09-3)

Sodium acetate, NaCH3COO, also abbreviated NaOAc, is the sodium salt of acetic acid. This colorless deliquescent salt has a wide range of uses.

Applications
Biotechnological
Sodium acetate is used as the carbon source for culturing bacteria. Sodium acetate is also useful for increasing yields of DNA isolation by ethanol precipitation.

Industrial
Sodium acetate is used in the textile industry to neutralize sulfuric acid waste streams and also as a photoresist while using aniline dyes. It is also a pickling agent in chrome tanning and helps to impede vulcanization of chloroprene in synthetic rubber production. In processing cotton for disposable cotton pads, sodium acetate is used to eliminate the buildup of static electricity.

Concrete longevity
Sodium acetate is used to mitigate water damage to concrete by acting as a concrete sealant, while also being environmentally benign and cheaper than the commonly used epoxy alternative for sealing concrete against water permeation.

Food
Sodium acetate may be added to food as a seasoning, sometimes in the form of sodium diacetate, a one-to-one complex of sodium acetate and acetic acid, given the E-number E262. It is often used to give potato chips a salt and vinegar flavour, and may be used as a substitute for vinegar itself on potato chips as it doesn’t add moisture to the final product. Sodium acetate (anhydrous) is widely used as a shelf-life extending agent, pH control agent It is safe to eat at low concentration.

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Description

Information

Industries: Food industry
CAS number: 127-09-3
WE number: 204-823-8
Chemical formula: CH3COONa
Molar mass: 82,03 g/mol
Customs tariff code: 29152900

Other physical properties
pH: 7,5-9,2
Melting / freezing point: 58°C

Boiling point / range: 123°C (1013 hPa)
Relative density: 1,42 g/cm3 (20°C )
Solubility in water: 76,2 g/100 ml

Additional information

Available amount

25 kg bag