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High Quality Soda Ash Dense 99.2 % min   ( Sodium Carbonate)

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Description Soda Ash Dense

Soda Ash is the active ingredient in washing soda. The chemical name for it is sodium carbonate, chemical formula Na2CO3. It is more basic, that is, less acidic, than sodium bicarbonate (baking soda), whose chemical formula is NaHCO3. The purpose of sodium carbonate is simply to increase pH.

At room temperature, sodium carbonate (Na2CO3) is an odourless, grayish white powder which is hygroscopic. This means when it is exposed to air, it can spontaneously absorb water molecules. Another familiar compound that has this hygroscopic quality is sugar. Sodium carbonate has a melting point of 1,564°F (851°C), a density of 2.53 g/cm3, and is soluble in water. A water solution of soda ash has a basic pH and a strong alkaline taste. When it is placed in a slightly acidic solution, it decomposes and forms bubbles. This effect, called effervescence, is found in many commercial antacid products which use sodium carbonate as an active ingredient.

Anhydrous (without water) sodium carbonate can absorb various amounts of water and form hydrates which have slightly different characteristics. When one water molecule per molecule of sodium carbonate is absorbed, the resulting substance, sodium carbonate monohydrate, is represented by the chemical formula Na2CO3 • H2O. This compound has a slightly lower density than the anhydrous version. Another common hydrate is formed by the absorption of ten water molecules per molecule of sodium carbonate. This compound, Na2CO3• 10H2O, known as sodium carbonate decahydrate, exists as transparent crystals which readily effervesce when exposed to air.

The following specifications are the latest revision (as at 05 Oct 2016) and supersede all previous specifications for this product code.

 

 

Chemical & Physical Characteristics

Description

Unit

Typical

Guaranteed

Method

Sodium Carbonate, Na2CO3

%

 

Min 99.2

 

Sodium Oxide, Na2O

%

 

Min 58.0

 

Sodium Sulphate, Na2SO4

%

 

Max 0.20

 

Sodium Chloride, NaCl

ppm

 

Max 1000

 

Iron, Fe

ppm

 

Max 20

 

USS SCREENS CUMULATIVE:

 

 

 

 

On 30 mesh

%

 

Max 5.0

 

On 100 mesh

%

 

Min 85.0

 

Through 200 mesh

%

 

Max 3.0

 

TYPICAL PROPERTIES NOT ALWAYS TESTED

 

 

 

 

Density

lb/ft3

57 – 70

 

Conforms to ANSI/AWWA B201-92

 

 

 

 

 

 

 

Sodium carbonate

The following specifications are the latest revision (as at 05 Oct 2016) and supersede all previous specifications for this product code.

 

 

Chemical & Physical Characteristics

Description

Unit

Typical

Guaranteed

Method

Sodium Carbonate, Na2CO3

%

 

Min 99.2

 

Sodium Oxide, Na2O

%

 

Min 58.0

 

Sodium Sulphate, Na2SO4

%

 

Max 0.20

 

Sodium Chloride, NaCl

ppm

 

Max 1000

 

Iron, Fe

ppm

 

Max 20

 

USS SCREENS CUMULATIVE:

 

 

 

 

On 30 mesh

%

 

Max 5.0

 

On 100 mesh

%

 

Min 85.0

 

Through 200 mesh

%

 

Max 3.0

 

TYPICAL PROPERTIES NOT ALWAYS TESTED

 

 

 

 

Density

lb/ft3

57 - 70

-

 

Conforms to ANSI/AWWA B201-92

 

 

 

 

 

 

Sodium carbonate Structure
Sodium carbonate
CAS No. 497-19-8
Chemical Name: Sodium carbonate
Synonyms: ASH;Na-X;HYPO;Consal;'HYPO';ODA ASH;497-19-8;Calcined;snowlite1;BETZ 0235
CBNumber: CB9853672
Molecular Formula: CNa2O3
Formula Weight: 105.99
MOL File: 497-19-8.mol
Sodium carbonate Property
mp : 851 °C(lit.)
bp : 1600°C
density : 2.53
refractive index : 1.535
storage temp. : 2-8°C
solubility : H2O: 1 M at 20 °C, clear, colorless
Water Solubility : 22 g/100 mL (20 ºC)
Sensitive : Hygroscopic
Merck : 14,8596
BRN : 4154566
Stability:: Stable. Incompatible with powdered alkaline earth metals, aluminium, organic nitro compounds, fluorine, alkali metals, nonmetallic oxides, concentrated sulfuric acid, oxides of phosphorus.
CAS DataBase Reference: 497-19-8(CAS DataBase Reference)
NIST Chemistry Reference: Sodium carbonate(497-19-8)
EPA Substance Registry System: Carbonic acid disodium salt(497-19-8)
Safety
Hazard Codes : Xn,Xi
Risk Statements : 32-36-51/53-36/37/38-41-37/38
Safety Statements : 36/37-26-22-36-39
RIDADR : UN 3082 9/PG 3
WGK Germany : 2
RTECS : XN6476000
F : 3
HS Code : 28362000
Hazardous Substances Data: 497-19-8(Hazardous Substances Data)

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