Sodium hydrogen carbonate

Cas 144-55-8

Sodium hydrogen carbonate Cas 144-55-8

Chemical Properties Of Sodium hydrogen carbonate

Sodium hydrogen carbonate, MF: NaHCO₃ MW: 84.01, also known as baking soda/Sodium bicarbonate, is an acid salt formed by the neutralization of a strong base and a weak acid. It appears as a white crystalline powder, odorless, with a salty taste. It exhibits weak alkalinity when dissolved in water, decomposes readily upon heating to release CO₂, neutralizes acids, and is non-toxic. Naturally occurring in trace amounts in mineral waters and salt lakes, it is primarily synthesized industrially. It serves as a common raw material in chemical, food, and pharmaceutical industries.

Product Description Of Sodium hydrogen carbonate

ItemSpecification
Melting point270°C (lit.)
Boiling point851°C
Bulk density1000 kg/m³
Density2.16 g/mL at 25°C (lit.)
Vapor Pressure2.58E-05 mmHg at 25°C
Refractive Index1.500
Flash Point169.8°C
Specific Gravity2.159
PH(1) 6.37, (2) 10.25 (carbonic acid at 25°C)
Acidity constant (pKa)169.8°C
SolubilityVery soluble in water, slightly soluble in ethanol, insoluble in ether.

Product Application Of Sodium hydrogen carbonate

  1.  Food industry:
    – Leavening agent for baked goods like bread, cakes, and cookies;
    – Acidity regulator in beverages, jams, and dairy products to neutralize sourness and adjust pH;
    – Food additive in pickled products (e.g., kimchi) to regulate acidity and prevent spoilage; ingredient in soda water to provide effervescence.
  2.  Sodium hydrogen carbonate serves as an antacid, aids in treating metabolic acidosis, and functions as a toothpaste additive;
  3.  Industrial applications:
    – Sodium bicarbonate is used in producing sodium carbonate, sodium dithionite (Na₂S₂O₄), sodium fluoride, and other chemical products;
    – Acts as a water treatment agent to adjust pH levels, soften temporary hard water, and adsorb heavy metal ions;
    – Used in preparing ABC dry powder fire extinguishing agents;
    – As a foaming agent in rubber and plastic processing to create bubbles and produce lightweight materials.
  4.  Other Applications:
    – As a soil conditioner to adjust pH levels in acidic soils and replenish sodium content;
    – Baking soda is used in kitchen and bathroom cleaners, as well as a bleaching aid for laundry.
Packaging Method Of Sodium hydrogen carbonate
Product packaging bags
Bagged product shipping diagram 1
Cardboard barrel
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Jinan Jinbang Chemical Co., Ltd., strategically located within the New Materials Industrial Park in Tianqiao District, Jinan City, Shandong Province, stands as a prominent chemical innovator since its establishment in 2015. Operating from a modern, expansive 37,500 m² manufacturing facility, we are dedicated to the research & development, production, and global distribution of high-performance chemical solutions.

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