CAS 7631-90-5

Sodium bisulfite

Description:

Sodium bisulfite, with the chemical formula NaHSO₃ and CAS number 7631-90-5, is an inorganic compound that appears as a white crystalline solid or powder. It is highly soluble in water, forming a mildly acidic solution. Sodium bisulfite is commonly used as a reducing agent in various chemical reactions, particularly in the food and beverage industry as a preservative and antioxidant. It acts by preventing oxidation, thereby extending the shelf life of products. Additionally, it is utilized in photography, water treatment, and as a reagent in organic synthesis. The compound has a characteristic sulfurous odor and can release sulfur dioxide gas when it reacts with acids. While generally considered safe in small quantities, it can cause irritation to the skin, eyes, and respiratory tract upon exposure. Proper handling and storage are essential to mitigate any potential hazards associated with its use.

Formula: H₂O₃S·Na

InChI: InChI=1S/Na.H2O3S/c;1-4(2)3/h;(H2,1,2,3)

InChI key: InChIKey=UKTDQTGMXUHPIF-UHFFFAOYSA-N

SMILES: S(=O)(O)O.[Na]

Synonyms:

• E 222
• Fr-62
• Hc 007
• Hidrogenosulfito De Sodio (Solucion Acuosa)
• Hydrogen sodium sulfite
• Hydrogen sulfite sodium
• Hydrogenosulfite de sodium
• Monosodium sulfite
• Natriumhydrogensulfit
• Sodium Bisulfite
• Sodium Hydrogen Sulphite (1LB/BT) A.R.
• Sodium Hydrogensulfite
• Sodium Hydrogensulphite
• Sodium acid sulfite
• Sodium bisulfite (NaHSO3)
• Sodium bisulfite (NaHSO₃)
• Sodium bisulphite
• Sodium bisulphite (1:1)
• Sodium hydrogen sulfite
• Sodium hydrogensulfate
• Sodium hydrogensulfite (aqueous solution)
• Sodium sulfite (NaHSO3)
• Sodium sulfite (NaHSO₃)
• Sulfurous acid, monosidum salt
• Sulfurous acid, sodium salt (1:1)

Sodium bisulfite

CAS: 7631-90-5

Formula: HNaO₃S

Purity: ≥ 98.0%

Color and Shape: White to off-white crystalline powder

Molecular weight: 104.06

Ref: 7W-GK7777

Sodium bisulfite, ACS Grade

CAS: 7631-90-5

Sodium bisulfite, ACS Grade

Molecular weight: 104.06091g/mol

Ref: 54-OR1022362

EPA Method 5035, Low Level Clear Vial, 20% Bisulfate Solution, Stir Bar, Tared, 5 mL, 72/cs

CAS: 7631-90-5

Color and Shape: Consumable

Ref: 04-O000012

Sodium bisulfite

CAS: 7631-90-5

Formula: HNaO₃S

Purity: >98%

Color and Shape: Solid

Molecular weight: 104.05

Ref: 10-F075234

Sodium Bisulfite (mixture of NaHSO3 and Na2S2O5)

Controlled Product

CAS: 7631-90-5

Applications Sodium Bisulfite has been used as an additive used in the food and beverage industry. It is used to preserve apparent freshness. Used as a common general reagent in reduction reactions.
References W. Wright. et al.: Am. review Resp. Dis., 141, 1400 (1990);

Formula: NaHSO₃

Color and Shape: White To Off-White

Molecular weight: 104.06

Ref: TR-S614400

Sodium bisulfite - 38%-40% solution

CAS: 7631-90-5

Sodium bisulfite is a chemical that is commonly used in the laboratory to inhibit the activity of DNA polymerases. It has been used in vitro to model infectious diseases, such as HIV, by simulating viral replication. This chemical has also been shown to be effective in chemiluminescence methods for the detection of polysaccharides and proteins. The optimum concentration for sodium bisulfite is 38-40%, and it should not be used at concentrations above 40%. Sodium bisulfite can cause bowel disease when consumed by humans at high doses or after long-term exposure. It has also been shown to be toxic to aquatic organisms at high concentrations. Sodium bisulfite is a strong reducing agent that can reduce copper ions into copper metal and iron ions into iron metal. This chemical has been studied extensively for its analytical applications, including its use in determining levels of dNTPs present in wastewater samples. Sodium bisulfite can react with DNA templates if they are present during the reaction solution

Formula: NaHSO₃

Molecular weight: 104.06 g/mol

Ref: 3D-FS157224