28.5 g/100 ml (25 °C) 100 g/100 ml (100 °C) Solubility: Reacts with bases Insoluble in ammonia, ethanol, pyridine, toluene, xylene: Acidity (pK a) 1.99 Hazards Safety data sheet: Sigma-Aldrich: Flash point: Non-flammable Lethal dose or concentration (LD, LC): LD 50 (Median dose) 2,490 mg/kg (rat, oral) Related compounds Related compounds. Sodium sulfite (sodium sulphite) is the inorganic compound with the chemical formula Na 2 SO 3. … Units of solubility are given in grams per 100 millilitres of water (g/100 ml), unless shown otherwise. Sodium bisulfite has been used externally for parasitic skin diseases and as gastrointestinal antiseptic.
it is found in reconstituted lemon juice.
Menadione sodium sulfonate is an organic sodium salt that is the monosodium salt of menadione sulfonate. The substances are listed in alphabetical order. One of several mixtures of sodium formaldehyde hydrosulfite and sodium formaldehyde bisulfite used as discharges and stripping or reducing agents in dyeing and other textile operations. Sodium bisulfate : Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Properties of Sodium Sulfite. This monograph for Sodium Bisulfite provides, in addition to common physical constants, a general description including typical appearance, applications, and aqueous solubility. This compound now reacts with sodium carbonate or sodium hydroxide to yield the sodium sulfite product. it is used in dried fruit to inhibit browning and maintain the bright color.
Noncombustible, but may decompose to emit toxic oxide fumes of sulfur and sodium when heated to high temperature.
42 g/100 mL Acidity (pK a) 6.97 Hazards Safety data sheet: FisherScientific: Lethal dose or concentration (LD, LC): LD 50 (Median dose) 2340 mg/kg (oral, rat) Related compounds Related compounds. A corrosive acid when mixed with water.Used as a food preservative and as a laboratory reagent.
Préparation. As noted in the U.S. Department of Health and Human Services' Household Products Database, sodium bisulfate is one of the many synonyms for sodium acid sulfate.It is a dry acid in crystal, granular, or powder form that is used as a pH adjuster, fungicide, herbicide, or microbiocide (a product that kills microbes) in a variety of industries, such as household cleaning and swimming pool maintenance. The monograph also details the following specifications and corresponding tests for verifying that a substance meets ACS Reagent Grade specifications including: Assay, Insoluble Matter, Chloride, Heavy Metals, and Iron. it prevents discoloration and inhib- its bacterial growth. Strongly irritates skin and tissue. Structure, properties, spectra, suppliers and links for: Sodium bisulfite, 7631-90-5. Il ne doit pas être confondu avec l'ion bisulfite HSO 3-qui est l'ancien nom de hydrogénosulfite.
A pale yellow, water-soluble solid, it is used commercially as an antioxidant and preservative.
Sodium metabisulfite appears as a white crystalline or powder solid with a slight sulfur odor.
The reaction can be generalized to: Na 2 CO 3 + SO 2 → Na 2 SO 3 + CO 2.
Toxic by inhalation .
In some cases the zinc derivatives are used. It contains a menadione sulfonate. Solubility in water. A heptahydrate is also known but it is less useful because of its greater susceptibility …
Solubility in water.
Sodium hydrogensulfite is an inorganic sodium salt and a sulfite salt. 2008-02-05.
A synthetic naphthoquinone without the isoprenoid side chain and biological activity, but can be converted into active vitamin K2, menaquinone, after alkylation in vivo.