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Sodium Bicarbonate
Solid Chemicals / Amendments

Sodium Bicarbonate

Sodium bicarbonate, 99+% USP/FCC grade.

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Specifications

Identifiers:

  • CAS Number: 144-55-8
  • Molecular Formula: NaHCO3
  • Molecular Weight: 84.01g/mol

Physical and Chemical Properties:

  • Thermal decomposition: Decomposes (w/out melting) into Na2CO3,H2O, and CO2
  • Alkali Equivalent: 1 lb. NaHCO3= 0.369 lb. Na2O
  • Carbon Dioxide Equivalent: 1 lb. NaHCO3= 0.524 lb. CO2
  • Specific Gravity: 2.16 g/cm3
  • Specific Heat @ 25°C: 20.94 cal/ deg mol
  • Solubility in water @ 60°C: 16.4 g/100g H2O
  • Solubility in other solvents: Insoluble in alcohol
  • Heat of formation: -227.25 K cal/ mol
  • Heat of solution: 3.81 K cal/ mol
  • Taste: Slightly alkaline
  • Sodium: 27.1 % minimum

Specifications:

  • Assay: 99.0%-100.5%
  • Loss on Drying: <0.25%
  • Screen Analysis
     USS Screen Specifications
    +100 0-2
    +200 20-50
    +325 60-100

Properties of Industrial Alkalis

Alkali

Calcium  Oxide

Magnesium Hydroxide

Calcium Hydroxide

Sodium
Hydroxide

Sodium
Bicarbonate

Sodium
Carbonate

Common Name

Lime,
Quicklime

Mag Hydroxide,
Milk of Magnesia

Hydrated Lime, Slaked Lime, Milk of Lime

Caustic Soda

Bicarbonate of Soda, Baking Soda

Soda Ash

Chemical Formula

CaO

Mg(OH)2

Ca(OH)2

NaOH

NaHCO3

Na2CO3

Alkalinity, lbs. CaCO3 Equivalent per lb. Dry Solids

1.74

1.68

1.32

1.23

0.60

0.944

Alkalinity, lbs. CaCO3 Equivalent per Ton Dry Solids

3,489

3,361

2,646

2,460

1,200

1,888

% Solids

N.A.

62

34

50

N.A.

N.A.

Dry lb. Alkali per Gallon

N.A.

7.965

3.54

6.185

N.A.

N.A.

Alkalinity, lbs. CaCO3 Equivalent per Gallon

N.A.

13.38

4.68

7.608

N.A.

N.A.

Neutralizing Capacity, lbs. OH- per lb. Dry Solids

0.594

0.572

0.450

0.425

0.202

0.322

Neutralizing Capacity, lbs.

1,188

1,144

900

850

405

644

 

Source:  Properties of Industrial Alkalis, Martin Marietta Magnesia Specialties, LLC Version 01/15/15  

Packaging

Packaging:

50 lb. bag