Sodium Bicarbonate - Nutrient

Synonym(s)

: Sodium hydrogen carbonate, baking soda, soda bicarbonate, baking soda

Mol. Formula

: CHNaO3

EC / List no.

: 205-633-8

CAS no.

: 144-55-8

Molecular weight

: 84,007

Sodium bicarbonate is the monosodium salt of carbonic acid with alkalizing and electrolyte replacement properties. Upon dissociation, sodium bicarbonate forms sodium and bicarbonate ions. Ion formation increases plasma bicarbonate and buffers excessive hydrogen ion concentration, causing blood pH to rise.

Application

» It is used as a food additive with the code E500.
» It is used in baking soda, drinks, toothpastes.

Product Specifications

Physical and Chemical Properties
» Sodium bicarbonate appears as white crystalline powder or lumps.
» It is odorless and has a slightly alkaline (bitter) taste.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	500	97.3 kPa
Density	g/cm³	2.21	20 °C
Solubility	g/ L	93.4	20 °C, soluble with water
Vapor pressure	Pa	66	20 °C
pH		8- 8.6	1% solution
Refractive index		1.380