08982

Sodium metabisulfite

analytical standard

• 동의어(들): E223, Sodium disulfite, Sodium pyrosulfite
• Linear Formula: Na₂S₂O₅
• CAS Number: 7681-57-4
• Molecular Weight: 190.11
• EC Number: 231-673-0
• MDL number: MFCD00167602
• UNSPSC 코드: 85151701
• PubChem Substance ID: 329748655
• E 번호: E223
• NACRES: NA.24

속성

• Grade: analytical standard
• Quality Level: 100
• 분석: ≥98.0% (iodometric, RT)
• 유통기한: limited shelf life, expiry date on the label
• mp: >300 °C (lit.)
• 음이온 미량물: chloride (Cl^-): ≤50 mg/kg; thiosulfate (S₂O₃^2-): ≤500 mg/kg
• 양이온 미량물: As: ≤0.5 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤200 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Zn: ≤5 mg/kg
• 응용 분야: cleaning products; cosmetics; food and beverages; personal care
• 형식: neat
• SMILES string: [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O
• InChI: 1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
• InChI key: HRZFUMHJMZEROT-UHFFFAOYSA-L

설명

일반 설명

Sodium metabisulfite is primarily used as an antioxidant and antimicrobial agent in a wide variety of foods and drugs. It is also used as the main additive in the prevention of melanosis in shrimp.

애플리케이션

Sodium metabisulfite may be used as an antioxidant which when added to anesthetic formulations serves to minimize epinephrine oxidation in the quantification of epinephrine in dental anesthetic solutions by capillary electrophoresis. Sodium metabisulfite may also be used as a standard in the determination of catecholamines in human plasma by high-performance liquid chromatography with electrochemical detection.

분석 메모

metal trace analysis: corresponds to requirements

안전성 정보

• 픽토그램: GHS05,GHS07
• 신호어: Danger
• 유해 및 위험 성명서: H302,H318
• 예방조치 성명서: P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338 - P501
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1
• 보충제 위험성: EUH031
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable