Industrial raw materials
Sodium sulfite Na2SO3, 7757-83-7 bleach disinfectant, detergent Food preservatives, reducing agents and bleach
Basic information
Nature
1. Appearance: Sodium sulfite is a white crystalline powder, odorless and slightly sulphate taste.
2. Solubility: sodium sulfite is easily soluble in water and is alkaline in aqueous solution.
3. Stability: Sodium sulfite has good stability, but it may lose crystal water in humid and high temperature environments.
4. Reducibility: Sodium sulfite has reducibility and can react with many oxides.
Use
1. Photographic industry: Sodium sulfite is one of the important components of photographic developer, used to develop photographic negatives and film.
2. Bleach and disinfectant: Sodium sulfite has the function of bleaching and disinfection, and is often used in textile, paper and catering industries.
3. Bleach and detergent: Sodium sulfite can be used to bleach cotton fabric, wood and food, etc., and can also be used in the manufacture of detergent.
4. Chemical analysis: Sodium sulfite can be used as a reducing agent for quantitative analysis, gas adsorbent and titration reagent.
Safety information
1. Sodium sulfite is a toxic chemical that may cause irritation in contact with skin and eyes. Therefore, appropriate protective equipment should be worn during operation to avoid direct contact with the skin and eyes.
2. Avoid inhaling the gas of sodium sulfite powder or its solution, and operate in a well-ventilated place.
3. Sodium sulfite should not be mixed with strong oxidants and acidic substances to avoid unsafe reactions.
4. When storing sodium sulfite, it should be kept in a dry, sealed container, away from fire sources and flammable substances.
Please note that the specific nature, use and safety information of sodium sulfite may vary due to regulations and standards in different countries and regions, so the use and handling of sodium sulfite should be carried out in accordance with the relevant local regulations.
Storage and transportation
Storage precautions
Store in a cool, dry, and well ventilated warehouse. Stay away from sparks and heat sources. Keep the container sealed. It should be stored separately from oxidants, acids, and edible chemicals, and should not be stored together. Not suitable for long-term storage to prevent spoilage. The storage area should be equipped with appropriate materials to contain leaked materials.
Transportation
During transportation, it should be protected from rain and sunlight exposure. It is strictly prohibited to store and transport together with acids, oxidants, and harmful toxic substances. This product should not be stored for a long time. Handle with care during loading and unloading to prevent packaging from breaking. When a fire occurs, water and various fire extinguishers can be used to extinguish it.
