1.04933

塩化カリウム

for analysis (<= 0.005% Br) EMSURE^® ACS,ISO,Reag. Ph Eur

• 化学式: KCl
• CAS番号: 7447-40-7
• 分子量: 74.55
• MDL番号: MFCD00011360
• UNSPSCコード: 12352302
• EC Index Number: 231-211-8
• NACRES: NA.21

特性

• グレード: ACS reagent
• 品質水準: 300
• 認証: reag. ISO; reag. Ph. Eur.
• 製品種目: EMSURE^®
• アッセイ: 99-100.5% dry basis (silver nitrate titration); 99.5-100.5% (silver nitrate titration)
• 形状: solid
• 有効性: 2600 mg/kg LD₅₀, oral (Rat)
• 不純物: ≤0.005% Insoluble matter
• 損失: ≤1% loss on drying, 105°C
• pH: 5.5-8.0 (25 °C, 50 g/L in H₂O)
• bp: 1413 °C/1013 hPa
• mp: 770 °C (lit.)
• 密度: 1.98 g/mL at 25 °C (lit.)
• かさ密度: 1000 kg/m³
• 微量陰イオン: bromide (Br^-): ≤0.005%; chlorate, nitrate (as NO₃^-): ≤0.003%; iodide (I^-): ≤0.002%passes test; phosphate (PO₄^3-): ≤0.0005%; sulfate (SO₄^2-): ≤0.001%
• 微量陽イオン: Ba:, passes test; Ca: ≤0.001%; Fe: ≤0.0002%; Mg: ≤0.0005%; Mg: ≤0.02% (alkaline earth metals (as Ca)); N: ≤0.001%; Na: ≤0.005%; heavy metals (as Pb): ≤0.0005%
• 保管温度: 2-30°C
• SMILES記法: [Cl-].[K+]
• InChI: 1S/ClH.K/h1H;/q;+1/p-1
• InChI Key: WCUXLLCKKVVCTQ-UHFFFAOYSA-M

詳細

アプリケーション

リン酸緩衝生理食塩水の調製及びタンパク質の抽出や可溶化に用いられます。

アナリシスノート

Assay (argentometric): 99.5 - 100.5 %
Assay (argentometric; calculated on dried substance): 99.0 - 100.5 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water): 5.5 - 8.0
Acidity or alkalinity: passes test
Bromide (Br): ≤ 0.005 %
Chlorate and Nitrate (as NO₃): ≤ 0.003 %
Iodide (I):
≤ 0.002 %
: passes test
Phosphate (PO₄): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.001 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Ba (Barium): passes test
Ca (Calcium): ≤ 0.001 %
Fe (Iron): ≤ 0.0002 %
Mg (Magnesium): ≤ 0.0005 %
Na (Sodium): ≤ 0.005 %
Magnesium and alkaline-earth metals (as Ca): ≤ 0.02 %
Loss on Drying (105°C): ≤ 1.0 %
Corresponds to ACS,ISO,Reag. Ph Eur

法的情報

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

安全性情報

• 保管分類コード: 13 - Non Combustible Solids
• WGK: WGK 1
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable