What is the difference between baking soda and soda ash

Baking soda and soda ash have significant differences in chemical composition, usage, and safety. Baking soda is sodium bicarbonate, while soda ash is sodium carbonate.

1. Chemical Composition

Baking soda is chemically known as sodium bicarbonate, with a molecular formula of NaHCO3. It is a weakly alkaline substance that is easily soluble in water and produces carbon dioxide gas when it comes into contact with acid. The chemical name of soda ash is sodium carbonate, with a molecular formula of Na ₂ CO3. It has strong alkalinity and high pH value in aqueous solution. It is commonly referred to as soda or alkali surface in industry.

2. Food Applications

Baking soda is widely used in baking food. As a leavening agent, it can make the dough fluffy and also neutralize the sourness of food. Soda ash is mainly used to adjust the toughness of pasta in food processing, such as making Lamian Noodles and alkaline water zongzi leaves, but the dosage should be strictly controlled to avoid bitter taste.

III. Cleaning application

Baking soda is suitable for home cleaning due to its mild nature, which can remove oil stains, deodorize, and has minimal skin irritation. Soda ash has stronger cleaning power and is commonly used for industrial cleaning or heavy oil pollution treatment, but direct contact may damage the skin and fabric fibers.

Fourth, Medical Effects

Baking soda can temporarily relieve excessive stomach acid or be used as an external medication to relieve itching caused by mosquito bites. Soda ash is not suitable for medical use due to its strong corrosiveness, and ingestion may cause burns to the oral and digestive mucosa.

V. Storage Requirements

Baking soda should be sealed and moisture-proof to avoid clumping and failure. Soda ash has strong hygroscopicity and is prone to moisture decomposition when in contact with air. It needs to be isolated from moisture and stored away from acidic substances.

In daily use, it is necessary to strictly distinguish between the two. Baking soda is more suitable for household scenarios, while soda ash is mostly used in the industrial field. Misuse of soda ash during cooking may pose food safety risks. It is recommended to store it in designated areas and clearly label it. If you need to adjust the pH of food, prioritize choosing food grade baking soda and follow the recommended dosage.