Sodium bicarbonate

• CAS No:

144-55-8

• Formula:

CHNaO3

• Chemical Name:

Sodium bicarbonate

Description

WHITE SOLID IN VARIOUS FORMS.

Sodium bicarbonate appears as odorless white crystalline powder or lumps. Slightly alkaline (bitter) taste. pH (of freshly prepared 0.1 molar aqueous solution): 8.3 at 77°F. pH (of saturated solution): 8-9. Non-toxic.|DryPowder; DryPowder, OtherSolid; Liquid; OtherSolid|Colourless or white crystalline masses or crystalline powder|WHITE SOLID IN VARIOUS FORMS.

Sodium bicarbonate appears as odorless white crystalline powder or lumps. Slightly alkaline (bitter) taste. pH (of freshly prepared 0.1 molar aqueous solution): 8.3 at 77°F. pH (of saturated solution): 8-9. Non-toxic.|Sodium hydrogencarbonate is an organic sodium salt and a one-carbon compound. It has a role as an antacid and a food anticaking agent. It contains a hydrogencarbonate.|Sodium bicarbonate is a white, crystalline powder that is commonly used as a pH buffering agent, an electrolyte replenisher, systemic alkalizer and in topical cleansing solutions.|Sodium Bicarbonate is the monosodium salt of carbonic acid with alkalinizing and electrolyte replacement properties. Upon dissociation, sodium bicarbonate forms sodium and bicarbonate ions. Ion formation increases plasma bicarbonate and buffers excess hydrogen ion concentration, resulting in raised blood pH.|A white, crystalline powder that is commonly used as a pH buffering agent, an electrolyte replenisher, systemic alkalizer and in topical cleansing solutions.

Sodium bicarbonate Basic Attributes

Molecular Weight ：84.00660

Exact Mass ：83.98230

EC Number ：205-633-8

UNII ：8MDF5V39QO

ICSC Number ：1044

DSSTox ID ：DTXSID9021269

NCI Thesaurus Code ：C29457

Color/Form ：White, monoclinic prisms|White crystalline powder or granules|White powder or crystalline lumps

ATC Code ：B - Blood and blood forming organs

Characteristics

PSA ：60.36000

XLogP3 ：-1.11230

Appearance ：White powder or super flash point crystal

Density ：2.159 g/cm³

Melting Point ：47 °C

Boiling Point ：851°C

Flash Point ：169.8ºC

Refractive Index ：1.500

Water Solubility ：H2O: 9 g/100 mL (20 ºC)

Storage Conditions ：Low temperature, ventilation, drying

Vapor Pressure ：2.58E-05mmHg at 25°C

Odor ：Odorless

Taste ：Cooling, slightly alkaline taste

PH ：Between 8,0 and 8,6 (1 % solution)

PKA ：6.3None

Dissociation Constants ：6.3

Experimental Properties ：

Begins to lose carbon dioxide at about 50 °C and at 100 °C it is converted to sodium carbonate.|Stable in dry air, but slowly decomposes in moist air|MP: 60 °C. Solubility: in water, 7.8 g/100g at 18 °C|Solution of 1.3% is approximately isotonic with body fluids|Readily decomposed by weak acids; in aqueous solution it begins to break up into carbon dioxide and sodium carbonate at about 20 °C and completely on boiling|Alkalinity increase as solutions stand, are agitated, or heated; in liquid mixtures containing bismuth subnitrate, sodium bicarbonate reacts with acid formed by hydrolysis of bismuth salt|For more Other Experimental Properties (Complete) data for Sodium bicarbonate (9 total), please visit the HSDB record page.

Sodium bicarbonate Use

Used in food, medicine, film production, tanning, beneficiation, metallurgy, fiber, rubber and other industries. It can also be used as a detergent and fire extinguishing agent as a fermentation agent in the food industry. Carbon dioxide generators in carbonated water and cold drinks are used for analysis Reagents, also used in inorganic synthesis and pharmaceutical industry for the treatment of acidemia used as a fermenting agent for the food industry, a carbon dioxide generator in soft drinks and cold drinks, a preservative for butter. It can be directly used as raw material for pharmaceutical industry. It can also be used for film production, tanned leather, mineral processing, smelting, metal heat treatment, fiber, rubber and agricultural seed soaking. It is also used as wool detergent, foam fire extinguishing agent, bath agent, etc. Alkaline agent: leavening agent. It is often formulated with ammonium bicarbonate as a leavening agent for biscuits and cakes.