Sodium Acetate

Synonym(s)

: Acetic acid; sodium salt, sodium acetate anhydrous

Mol. Formula

: C2H3NaO2

EC / List no.

: 204-823-8

CAS no.

: 127-09-3

Molecular weight

: 82,03

Sodium acetate is the anhydrous, sodium salt form of acetic acid. Sodium acetate decomposes in anhydrous water and forms sodium ions (Na+) and acetate ions. Sodium is the major cation of the extracellular fluid and plays a major role in fluid and electrolyte replacement therapies.

Application

» This substance is used in the following products: pH regulators and water treatment products.
» Used in machine wash fluids/detergents, automotive care products, paints, coatings or adhesives, fragrances, air fresheners, coolants in refrigerators, oil-based electric heaters, hydraulic fluids in automotive suspension, lubricants in engine oil and brake fluids.

Product Specifications

Physical and Chemical Properties
» Appears as white granular powder or monoclinic crystals.
» Odorless.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	324
Density	g/cm³	1.53	20 °C
Solubility	g/ L	1250	25 °C, soluble with water (soluble in ethanol)
Vapor pressure	Pa	0	25 °C
Autoignition temperature	°C	607.22
LogP		-3.72	25 °C
pKa		4.756	20 °C
pH		8-9.5	1% aqueous solution
Refractive index		1.464	20 °C