Sodium Bicarbonate Powder CAS 144-55-8 CHNaO3 Chemical Compound

Product Description:

Product Name: Sodium bicarbonate CAS NO: 144-55-8

Synonyms:

sobatum;

carbonic acid sodium salt;

sodium acid carbonate;

Chemical & Physical Properties:

Appearance: White powder or superfime crystal

Assay :≥99.0%

Density: 2.159

Boiling Point: 851℃

Melting Point: 270℃

Flash Point: 169.8℃

Refractive Index: 1.5

Water Solubility: 9 g/100 mL (20℃)

Stability: Stable.

Storage Condition: 2-8℃

Vapor Pressure: 2.58E-05mmHg at 25℃

Safety Information:

RTECS: VZ0950000

Safety Statements: S24/25

HS Code: 2836300000

WGK Germany: 1

Sodium bicarbonate (IUPAC name: sodium hydrogen carbonate) is a chemical compound with the formula NaHCO3. It is a salt composed of sodium ions and bicarbonate ions. Sodium bicarbonate is a white solid that is crystalline but often appears as a fine powder. It has a slightly salty, alkaline taste resembling that of washing soda (sodium carbonate). The natural mineral form is nahcolite. It is a component of the mineral natron and is found dissolved in many mineral springs. It is among the food additives encoded by the European Union, identified as E 500. Since it has long been known and is widely used, the salt has many related names such as baking soda, bread soda, cooking soda, and bicarbonate of soda. In colloquial usage, the names sodium bicarbonate and bicarbonate of soda are often truncated. Forms such as sodium bicarb, bicarb soda, bicarbonate, bicarb, or even bica are common. The word saleratus, from Latin sal æratus meaning "aerated salt", was widely used in the 19th century for both sodium bicarbonate and potassium bicarbonate.

The prefix "bi" in "bicarbonate" comes from an outdated naming system and is based on the observation that there is twice as much carbonate (CO3) per sodium in sodium bicarbonate (NaHCO3) as there is carbonate per sodium in sodium carbonate (Na2CO3) and other carbonates. The modern way of analyzing the situation based on the exact chemical composition (which was unknown when the name "sodium bicarbonate" was coined) says this the other way around: there is half as much sodium in NaHCO3 as in Na2CO3 (Na versus Na2).

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