Sodium Dithionite Sigma

Sodium dithionite (Na2S2O4), also known as sodium hydrosulfite, is a white crystalline powder with a faint sulfurous odor. It is highly water-soluble and readily dissolves in water to form a colorless solution.

Physically, sodium dithionite is a reducing agent that can decompose at temperatures above 90°C, releasing sulfur dioxide gas and leaving behind sodium sulfate residue. It is a stable compound under normal conditions of storage and handling.

Chemically, sodium dithionite is an effective bleaching agent and is widely used in the textile industry for dyeing and printing applications. It is also used as a reducing agent in various chemical reactions, such as the reduction of carbonyl compounds to alcohols and the reduction of nitro compounds to amines.

Sodium dithionite is sensitive to air and moisture, and it should be stored in a dry and well-ventilated area, away from incompatible substances like strong oxidizers or acids. Ingestion or inhalation of sodium dithionite dust may cause irritation to the respiratory system, skin, and eyes.

Sodium dithionite, also known as sodium hydrosulfite (Na2S2O4), has a molecular formula of Na2S2O4 and a molar mass of 174.107 g/mol. Its structure consists of two sulfite ions (SO3 2-) bonded together by a sulfur-sulfur bond (-S-S-), with two sodium cations (Na+) balancing the charge.

The molecule is tetrahedral in shape with bond angles of approximately 109.5 degrees. Each sulfite ion is trigonal planar with the sulfur at the center and three oxygen atoms surrounding it. The sulfur-sulfur bond length in the molecule is approximately 2.05 Å.

Sodium dithionite is a white to yellowish crystalline powder that is soluble in water and has a strong reducing agent property due to the presence of sulfur in its structure. It is commonly used as a bleaching agent, a reducing agent in chemical reactions, a stabilizer in photographic developing solutions, and a dechlorinating agent for water treatment.

Overall, the structure of sodium dithionite plays a crucial role in its chemical properties and applications.

Sodium dithionite dihydrate is a chemical compound with the formula Na2S2O4·2H2O. It is a white crystalline powder that is soluble in water and has a strong reducing property. The compound is used as a bleaching agent, a reducing agent, and a dechlorinating agent in various industrial processes.

The molecular weight of sodium dithionite dihydrate is 190.12 g/mol. Its melting point is 64℃, and its boiling point is 90℃. The compound is stable under normal conditions but decomposes at higher temperatures or in the presence of acids and oxidizing agents.

In terms of its structure, sodium dithionite dihydrate consists of sodium cations (Na+) and dithionite anions (S2O4^2-) arranged in a crystal lattice. The two water molecules (H2O) in the compound are coordinated to the sodium cations.

As a reducing agent, sodium dithionite dihydrate reacts with oxygen to produce sodium bisulfite (NaHSO3). It also reacts with chlorine and other oxidizing agents to form chloride ions (Cl^-) and sulfur dioxide (SO2) gas.

Overall, sodium dithionite dihydrate is an important chemical compound with many practical applications in industry. Its accurate synthesis, handling, and disposal require strict adherence to safety protocols and regulatory guidelines.

Sodium dithionite, also known as sodium hydrosulfite and Fisher's reagent, is a white crystalline powder with the chemical formula Na2S2O4. It is soluble in water and has a strong reducing agent property.

Sodium dithionite is commonly used as a bleaching agent, reducing agent, and dechlorinating agent in various industries, such as textile, paper, and chemical manufacturing. It is also used in the food industry as a food additive to preserve color, flavor, and vitamin content.

Sodium dithionite has a wide range of applications due to its unique properties. However, it should be handled with care since it can release toxic gases when exposed to acids or acidic environments, which can cause irritation to the skin, eyes, and respiratory system.

In summary, sodium dithionite is a versatile compound with numerous industrial and commercial uses. Its handling and storage require caution and proper safety measures.

The chemical formula of sodium dithionite, as described by the Sigma-Aldrich Chemical Company, is Na2S2O4. This compound is also commonly known as sodium hydrosulfite and is used in various industrial processes, including textile bleaching and paper pulping. Its molecular structure consists of two sulfite (SO3) groups connected by a sulfur-sulfur (S-S) bond.

Sodium dithionite sigma, also known as sodium hydrosulfite, has a chemical formula of Na2S2O4. Its structure consists of two sulfite (SO3) groups linked by a sulfur-sulfur bond, with two sodium ions (Na+) attached to the sulfite groups. The molecule has a tetrahedral shape, with bond angles of approximately 109.5 degrees. The compound is commonly used as a reducing agent in various chemical processes and as a bleaching agent in textile and paper industries.

Sodium dithionite, also known as sodium hydrosulfite, is a white crystalline powder that is soluble in water. It is commonly used as a reducing agent, bleaching agent, and antioxidant in various industries.

In the textile industry, sodium dithionite is used as a bleaching agent for cotton, wool, and other fabrics. It is also used to remove excess dye from these materials. In the paper industry, it is used to bleach pulp and to reduce the brightness of paper.

Sodium dithionite is also used in the food industry as a preservative and antioxidant. It is added to food products such as canned fruits and vegetables, dried fruits, and potato chips to prevent discoloration and rancidity.

In addition, sodium dithionite is used in the mining industry to separate copper ores from gangue minerals. It is also used in water treatment to remove excess chlorine and to treat wastewater.

Overall, sodium dithionite sigma has a wide range of uses due to its strong reducing properties and ability to react with oxygen and other oxidizing agents.

Sodium dithionite (Na2S2O4), also known as sodium hydrosulfite, is a white crystalline powder commonly used as a reducing agent in various industrial and laboratory processes. However, it poses certain hazards and safety precautions should be taken when handling it.

Hazards:

- Sodium dithionite is an irritant to the skin, eyes, and respiratory system. Prolonged exposure or inhalation of the dust may cause irritation, redness, and even chemical burns.

- It is a strong reducing agent and can react violently with oxidizing agents, such as acids, halogens, and peroxides. This can lead to fires, explosions, or release of toxic gases.

- When heated to decomposition, sodium dithionite releases toxic sulfur dioxide gas which can cause respiratory problems and lung damage.

Safety Precautions:

- Always wear appropriate personal protective equipment (PPE) such as gloves, safety glasses, and a lab coat to protect against skin and eye contact and inhalation of dust.

- Sodium dithionite should be handled in a fume hood or well-ventilated area to minimize the risk of inhalation and exposure to its dust or fumes.

- Store sodium dithionite in a cool, dry place away from oxidizing agents and sources of heat or ignition.

- Use caution when mixing or handling solutions containing sodium dithionite, especially when combining with other chemicals, to avoid reactions or spills.

- In case of skin or eye contact, rinse thoroughly with water for 15 minutes and seek medical attention if necessary. If inhaled, move to fresh air and seek medical assistance immediately.

Sodium dithionite sigma can be synthesized through the reaction of sodium bisulfite with sulfur dioxide in the presence of a reducing agent such as zinc or iron. The reaction is typically carried out in an acidic solution and involves the formation of an intermediate called sodium sulfurous acid, which subsequently decomposes to produce sodium dithionite. The resulting product is then typically purified through recrystallization from water or ethanol. Overall, the synthesis of sodium dithionite sigma requires careful control of reaction conditions and purification steps to achieve high purity and yield.

Sodium dithionite is also known by several synonyms and trade names. Some of the common ones include sodium hydrosulfite, sodium bisulfite, sodium ditionite, sodium sulphoxylate, and sodium sulfoxylate. As for trade names, some examples are Rongalite, Hydros, and Dithion S. Sodium dithionite is a white crystalline powder that is soluble in water and has various industrial and chemical applications, including as a reducing agent, bleaching agent, and oxygen scavenger.