磷酸钾二元一元

磷酸二氢钾

产品名称：

7778-77-0
Potassium phosphate monobasic
prim.-Potassium phosphate
Monopotassium phosphate
Potassium dihydrogen phosphate
磷酸钾二元一元
磷酸二氢钾
无水磷酸二氢钾
磷酸一钾

产品介绍：

产品说明

一般描述

Potassium phosphate is widely used in buffers to prepare biological samples and examine biological interactions.

应用

Potassium phosphate monobasic has been used:

to prepare the working luminol solution to study the prooxidant activity in the chemiluminescent system luminol–H₂O₂
in phosphate buffer saline (PBS) to culture embryonic stem cells (ESCs) and generate embryoid bodies
in PBS to prepare polydimethylsiloxane (PDMS) substrate

包装

1, 2.5 kg in poly bottle
500 g in poly bottle

基本信息

产品性质

质量水平	100
等级	ACS reagent anhydrous puriss. p.a.
agency	reag. ISO reag. Ph. Eur.
测定	99.5-100.5%
形式	crystalline
杂质	≤0.001% total nitrogen (N)
缺失	≤0.2% loss on drying, 105 ℃
pH值(酸碱度)	4.2-4.5 (20 ℃, 5%)
pKa (25 ℃)	(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
mp	252.6 ℃ (lit.)
溶解性	water: 0.5 g/10 mL, clear, colorless to light yellow
密度	2.338 g/mL at 25 ℃ (lit.)
痕量阴离子	chloride (Cl^-): ≤5 mg/kg sulfate (SO₄^2-): ≤30 mg/kg
痕量阳离子	As: ≤0.5 mg/kg Ca: ≤10 mg/kg Cd: ≤5 mg/kg Co: ≤5 mg/kg Cr: ≤15 mg/kg Cu: ≤5 mg/kg Fe: ≤5 mg/kg Mg: ≤5 mg/kg Mn: ≤5 mg/kg Na: ≤50 mg/kg Ni: ≤5 mg/kg Pb: ≤5 mg/kg Zn: ≤5 mg/kg heavy metals: ≤0.001% (by ICP)
SMILES string	[K+].OP(O)([O-])=O
InChI	1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
InChI key	GNSKLFRGEWLPPA-UHFFFAOYSA-M

安全信息