1.05107

Potassium disulfate (Potassium pyrosulfate)

for analysis EMSURE^® ACS

• 別名: Potassium disulfate (Potassium pyrosulfate), Potassium pyrosulfate
• 実験式（ヒル表記法）: K₂O₇S₂
• CAS番号: 7790-62-7
• 分子量: 254.32
• MDL番号: MFCD00011385
• UNSPSCコード: 12352302
• EC Index Number: 232-216-8
• NACRES: NA.21

特性

• グレード: ACS reagent
• 品質水準: 300
• 製品種目: EMSURE^®
• アッセイ: 97.5-100.0% (K₂S₂O₇ basis, acidimetric)
• 形状: solid
• 不純物: ≤0.01% Insoluble and by ammoniumhydroxide precipitated matter; ≤2.5% Water; 37.5-38.6% Acidity (as H₂SO₄)
• pH: 0.8 (20 °C, 50 g/L in H₂O)
• mp: 325 °C
• かさ密度: 830 kg/m³
• 微量陰イオン: chloride (Cl^-): ≤0.0005%; phosphate (PO₄^3-): ≤0.001%
• 微量陽イオン: Al: ≤0.001%; As: ≤0.0005%; Ca: ≤0.002%; Fe: ≤0.0005%; Mg: ≤0.0005%; N: ≤0.002%; Na: ≤0.01%; heavy metals (as Pb): ≤0.001%
• 保管温度: no temp limit
• InChI: 1S/2K.H2O7S2/c;;1-8(2,3)7-9(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2
• InChI Key: KAQHZJVQFBJKCK-UHFFFAOYSA-L

詳細

関連事項

Replaces: PX1581; PX1581-1; PX1581-3; PX1581-20; PX1581-5W; PX1581-5

アナリシスノート

Assay (acidimetric, as K₂S₂O₇): 97.5 - 100.0 %
Acidity (as H₂SO₄): 37.5 - 38.6 %
Insoluble and by ammoniumhydroxide precipitated matter: ≤ 0.01 %
Chloride (Cl): ≤ 0.0005 %
Phosphate (PO₄): ≤ 0.001 %
Total nitrogen (N): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.001 %
Al (Aluminium): ≤ 0.001 %
As (Arsenic): ≤ 0.0005 %
Ca (Calcium): ≤ 0.002 %
Fe (Iron): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.0005 %
Na (Sodium): ≤ 0.01 %
Water (H₂O): ≤ 2.5 %
Conforms ACS.

法的情報

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

安全性情報

• ピクトグラム: GHS06,GHS05
• シグナルワード: Danger
• 危険有害性情報: H314,H331
• 注意書き: P260 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 危険有害性の分類: Acute Tox. 3 Inhalation - Eye Dam. 1 - Skin Corr. 1A
• 保管分類コード: 6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3