1.06505

Sodium dithionite

EMPLURA^®

• 同義詞: Sodium dithionite, Sodium hydrosulfite, Sodium hypodisulfite
• 經驗公式（希爾表示法）: Na₂O₄S₂
• CAS號碼: 7775-14-6
• 分子量：: 174.11
• MDL號碼: MFCD00011640
• 分類程式碼代碼: 12352302
• 酶委員會索引編號: 231-890-0
• NACRES: NA.21

屬性

• 品質等級: 200
• 產品線: EMPLURA^®
• 化驗: ≥85.0% (iodometric)
• 形狀: powder
• 自燃溫度: >200 °C
• 效力: 2500 mg/kg LD₅₀, oral (Rat)
• pH值: 5.5-8.5 (20 °C, 50 g/L in H₂O)
• mp: 100 °C (decomposition)
• 轉變溫度: flash point >100 °C
• 溶解度: 250 g/L (slow decomposition)
• 密度: 2.5 g/cm³ at 20 °C
• 體積密度: 1250 kg/m³
• 負離子痕跡: chloride (Cl^-): ≤0.05%
• 正離子痕跡: Fe: ≤0.005%
• 儲存溫度: 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
• InChI 密鑰: JVBXVOWTABLYPX-UHFFFAOYSA-L

描述

應用

• 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).

分析報告

Assay (iodometric): ≥ 85.0 %
Identity: passes test
Chloride (Cl): ≤ 0.05 %
Fe (Iron): ≤ 0.005 %

法律資訊

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

安全資訊

• 象形圖: GHS02,GHS07
• 訊號詞: Danger
• 危險聲明: H251 - H302 - H319
• 防範說明: P235 - P264 - P280 - P301 + P312 - P305 + P351 + P338 - P337 + P313
• 危險分類: Acute Tox. 4 Oral - Eye Irrit. 2 - Self-heat. 1
• 安全危害: EUH031
• 儲存類別代碼: 4.2 - Pyrophoric and self-heating hazardous materials
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: 212.0 °F
• 閃點（°C）: > 100 °C