1.04933

氯化钾

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

• 线性分子式: KCl
• CAS号: 7447-40-7
• 分子量: 74.55
• MDL號碼: MFCD00011360
• 分類程式碼代碼: 12352302
• 酶委員會索引編號: 231-211-8
• NACRES: NA.21

属性

• 等級: ACS reagent
• 品質等級: 300
• agency: reag. ISO; reag. Ph. Eur.
• 產品線: EMSURE^®
• 化驗: 99-100.5% dry basis (silver nitrate titration); 99.5-100.5% (silver nitrate titration)
• 形狀: solid
• 效力: 2600 mg/kg LD₅₀, oral (Rat)
• 雜質: ≤0.005% Insoluble matter
• 損耗: ≤1% loss on drying, 105°C
• pH值: 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.)
• 體積密度: 1000 kg/m³
• 負離子痕跡: 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%
• 正離子痕跡: 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%
• 儲存溫度: 2-30°C
• SMILES 字串: [Cl-].[K+]
• InChI: 1S/ClH.K/h1H;/q;+1/p-1
• InChI 密鑰: WCUXLLCKKVVCTQ-UHFFFAOYSA-M

说明

應用

可用于磷酸盐缓冲液制备，以及蛋白提取和溶解。

分析報告

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

法律資訊

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

安全信息

• 儲存類別代碼: 13 - Non Combustible Solids
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable