1.06505

Natriumdithionit

EMPLURA^®

• Synonym(e): Natriumdithionit, Natriumhydrosulfit, Natriumhypodisulfit
• Empirische Formel (Hill-System): Na₂O₄S₂
• CAS-Nummer: 7775-14-6
• Molekulargewicht: 174.11
• MDL-Nummer: MFCD00011640
• UNSPSC-Code: 12352302
• EG-Index-Nummer: 231-890-0
• NACRES: NA.21

Eigenschaften

• Qualitätsniveau: 200
• Produktlinie: EMPLURA^®
• Assay: ≥85.0% (iodometric)
• Form: powder
• Selbstzündungstemp.: >200 °C
• Wirksamkeit: 2500 mg/kg LD₅₀, oral (Rat)
• pH-Wert: 5.5-8.5 (20 °C, 50 g/L in H₂O)
• mp (Schmelzpunkt): 100 °C (decomposition)
• Übergangstemp.: flash point >100 °C
• Löslichkeit: 250 g/L (slow decomposition)
• Dichte: 2.5 g/cm³ at 20 °C
• Schüttdichte: 1250 kg/m³
• Anionenspuren: chloride (Cl^-): ≤0.05%
• Kationenspuren: Fe: ≤0.005%
• Lagertemp.: 2-30°C
• InChI: 1S/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2
• InChIKey: JVBXVOWTABLYPX-UHFFFAOYSA-L

Beschreibung

Anwendung

• Fast detection of sodium dithionite in sugar using a xanthylium-based fluorescent probe.: This study introduces a rapid method for detecting sodium dithionite residues in sugar using a novel xanthylium-based fluorescent probe. The method is highly sensitive and efficient, making it a significant advancement in food safety and quality control (Wang et al., 2024).


• Stabilising mannose using sodium dithionite at alkaline conditions.: Research in the kraft pulping process explores the use of sodium dithionite to stabilize mannose under alkaline conditions. The findings highlight its potential to reduce hemicellulose degradation, providing insights for enhancing the efficiency of chemical pulping processes (Lindén et al., 2020).

Hinweis zur Analyse

Gehalt (iodometrisch): ≥ 85,0 %
Identität: entspricht
Chlorid (Cl): ≤ 0,05 %
Fe (Eisen): ≤ 0,005 %

Rechtliche Hinweise

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

Sicherheitshinweise

• Piktogramme: GHS02,GHS07
• Signalwort: Danger
• H-Sätze: H251 - H302 - H319
• P-Sätze: P235 - P264 - P280 - P301 + P312 - P305 + P351 + P338 - P337 + P313
• Gefahreneinstufungen: Acute Tox. 4 Oral - Eye Irrit. 2 - Self-heat. 1
• Zusätzliche Gefahrenhinweise: EUH031
• Lagerklassenschlüssel: 4.2 - Pyrophoric and self-heating hazardous materials
• WGK: WGK 1
• Flammpunkt (°F): 212.0 °F
• Flammpunkt (°C): > 100 °C