Web site owner: & indicates that no RQ is assigned to this generic or broad class, although the class is a CERCLA hazardous substance. Selenous Acid is a hygroscopic white crystalline compound and is the principal oxoacid of selenium. Selenous acid 98% Synonym: Selenious acid CAS Number 7783-00-8. The structural formula of Selenous Acid is as shown below. The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. (EPA, 1998). The major use is in changing the color of steel, especially the steel in guns & razor blades the so-called “bluing” process which uses selenous acid. Hydrogen selenide acts as a selenium pool to form selenoproteins, which include, but are not limited to, glutathione peroxidase, iodothyronine deiodinase, peroxidase, and thioredoxins. PubChem Substance ID 24852658. EC Number 231-974-7. More info about absorbents, including situations to watch out for... National Oceanic and Atmospheric Administration. National Ocean Service, SELENIOUS ACID decomposes when heated to toxic and volatile selenium dioxide. 15498-87-0. Belongs to the Following Reactive Group(s), To extinguish a fire involving this chemical you may use a dry chemical, carbon dioxide, foam or halon extinguisher; a water spray may also be used. NACRES NA.22 When heated to decomposition it emits toxic fumes of selenium. These trace elements are very small in … Selenous acid (or selenious acid) is the chemical compound with the formula H 2 SeO 3.Structurally, it is more accurately described by (HO) 2 SeO. Collect spilled material in most convenient and safe manner and deposit in sealed containers for reclamation or disposal in a secured disposal landfill. Oxidizes many organic substances. Linear Formula H 2 SeO 3. Reacts exothermically with many reducing agents including hydroiodic acid, sulfurous acid, sodium hyposulfite, hydroxylamine salts, hydrazine salts, hypophosphorous acid, phosphorous acid [Merck]. Structurally, it is more accurately described by (HO)2SeO. Let us learn the chemical composition details of Selenous Acid. USA.gov. Selenious acid, sodium salt. Molecular Formula. Serves as an oxidizing agent. Selenious acid has a molecular weight of 128.97 g/mol and a formula of H 2 SeO 3. (EPA, 1998). Your email address will not be published. (NTP, 1992), Avoid inhalation and skin contact. SELENIOUS ACID decomposes when heated to toxic and volatile selenium dioxide. Molecular Weight 128.97 . Is oxidized to selenic acid by strong oxidizing agents. Selenious acid has a molecular weight of 128.97 g/mol and a formula of H 2 SeO 3. including trade names and synonyms. known to react with the Selenious Acid Injection, USP contains no more than 2,500 mcg/L of aluminum and has a calculated osmolarity of 16 mOsmol/L. Do not be confused. Reacts exothermically with many reducing agents including hydroiodic acid, sulfurous acid, sodium hyposulfite, hydroxylamine salts, hydrazine salts, hypophosphorous acid, phosphorous acid [Merck]. Oxidizes many organic substances. 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Reacts exothermically with many reducing agents including hydroiodic acid, sulfurous acid, sodium hyposulfite, hydroxylamine salts, hydrazine salts, hypophosphorous acid, phosphorous acid [Merck]. It is highly toxic orally. 151.97 g/mol. Parenteral Nutrition. where as selenium dioxide is SeO2. It is the principal oxoacid of selenium; the other being selenic acid. Liquid containing selenium inorganic compounds should be absorbed in vermiculite, dry sand, earth or similar material. Stay tuned with BYJU’S to know more about various chemical compounds with their scientific formulas. Selenous Acid isotope is used in radiopharmaceuticals for labelling. Serves as an oxidizing agent. Serves as an oxidizing agent. It is the principal oxoacid of selenium; the other being selenic acid. Selenious acid is converted in vivo to hydrogen selenide via glutathione-involved electron reductions. DTXSID60165765. Lower Explosive Limit (LEL): data unavailable, Upper Explosive Limit (UEL): data unavailable, Autoignition Temperature: data unavailable, Vapor Density (Relative to Air): data unavailable. (EPA, 1998), For emergency situations, wear a positive pressure, pressure-demand, full facepiece self-contained breathing apparatus (SCBA) or pressure- demand supplied air respirator with escape SCBA and a fully-encapsulating, chemical resistant suit. Selenious Acid Injection, USP is a clear, colorless solution available as 600 mcg/10mL (60 mcg/mL) of selenium in a 10 mL Pharmacy Bulk Package vial. Carton of 5 vials (NDC 0517-6560-05) Store at... 17 PATIENT COUNSELING INFORMATION Ventilate area of spill. Chemical formula: H 2 SeO 3: Molecular weight: 128.97 g/mol: Density: 3.0 g/cm 3: IUPAC name: Selenous acid. absorbents Used as a reagent for alkaloids and as an oxidizing agent. "c" indicates that although not listed by name and CAS number, this chemical is reportable under one or more of the EPCRA section 313 chemical categories. Contact with selenious acid often results in skin irritation and burns. MDL number MFCD00011331. National Oceanic and Atmospheric Administration. Selenious Acid Injection - Clinical Pharmacology Mechanism of Action Causes irritations and burns of the skin. Office of Response and Restoration, Selenic(IV) acid: Solubility: soluble in ethanol: Melting point: decomposes at 70°C Synonyms. Selenous acid (or selenious acid) is the chemical compound with the formula H2SeO3. Selenous Acid is the conjugate acid of a hydrogen selenite and is analogous to sulfurous acid. No rapid reaction with water. Component Compounds. 600mcg/10mL (60mcg/mL of selenium) For admixing only; not for direct IV infusion. Isotope is used in labeling radiopharmaceuticals. Pulmonary edema, cardiopulmonary arrest, and coma are possible complications. Your email address will not be published. Selenious Acid Injection - Clinical Pharmacology No rapid reaction with air. Selenous Acid is used as an oxidizing agent and is a reagent for alkaloids.

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