1.05057

Potassium disulfite

for analysis EMSURE^®

• 别名: Potassium disulfite, Potassium metabisulfite, Potassium pyrosulfite
• 经验公式（希尔记法）: K₂O₅S₂
• CAS号: 16731-55-8
• 分子量: 222.32
• MDL编号: MFCD00167605
• UNSPSC代码: 12352302
• EC索引号: 240-795-3
• NACRES: NA.21

属性

• 质量水平: 300
• 产品线: EMSURE^®
• 方案: ≥96% (iodometric)
• 表单: solid
• 效能: 2300 mg/kg LD₅₀, oral (Rat)
• 杂质: ≤0.005% In water insoluble matter
• pH值（酸碱度）: 3.0-4.5 (20 °C, 50 g/L in H₂O)
• mp: 150 °C (decomposition)
• 溶解性: 450 g/L
• 堆积密度: 1000‑1300 kg/m³
• 痕量阴离子: chloride (Cl^-): ≤0.005%
• 痕量阳离子: As: ≤0.0001%; Cu: ≤0.001%; Fe: ≤0.0005%; Pb: ≤0.001%; Zn: ≤0.001%
• 储存温度: 2-30°C
• SMILES字符串: [K+].[K+].[S](=O)(=O)([S](=O)[O-])[O-]
• InChI: 1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
• InChI key: RWPGFSMJFRPDDP-UHFFFAOYSA-L

说明

分析说明

Assay (iodometric): ≥ 96 %
In water insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.005 %
As (Arsenic): ≤ 0.0001 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.001 %

法律信息

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

安全信息

• 象形图: GHS05,GHS07
• 警示用语：: Danger
• 危险声明: H318 - H335
• 预防措施声明: P261 - P271 - P280 - P304 + P340 + P312 - P305 + P351 + P338 - P403 + P233
• 危险分类: Eye Dam. 1 - STOT SE 3
• 靶器官: Respiratory system
• 补充剂危害: EUH031
• 储存分类代码: 13 - Non Combustible Solids
• WGK: WGK 1