磷酸钾二元一元

磷酸二氢钾

品牌

Supelco

CAS

7778-77-0

货号

1.04877

包装型号

规格纯度

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

参考价格

1883.18 元 *本价格含增值税费

促销

数量

产品名称：

7778-77-0
Potassium dihydrogen phosphate
prim.-Potassium phosphate
mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic
Potassium phosphate monobasic
Monopotassium 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

分析说明

Assay (alkalimetric): ≥ 99.0 %
Assay (alkalimetric, calculated on dried substance): 98.0 - 100.5 %
Assay (alkalimetric; dried substance): ≥ 99.5 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.01 %
pH-value (5 %; water, 25 °C): 4.2 - 4.5
Chloride (Cl): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.003 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0010 %
Heavy metals (ACS): ≤ 0.001 %
As (Arsenic): ≤ 0.0002 %
Fe (Iron): ≤ 0.0010 %
Na (Sodium): ≤ 0.005 %
Reducing substances: passes test
Loss on drying (130 °C): ≤ 0.2 %
Corresponds to ACS,ISO,Reag. Ph Eur

法律信息

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

基本信息

线性分子式	KH₂PO₄
分子量	136.09
MDL编号	MFCD00011401
EC索引号	231-913-4

产品性质

质量水平	300
等级	ACS reagent
机构	reag. ISO reag. Ph. Eur.
测定	≥99.0% dry basis (alkalimetric) 98.0-100.5% (alkalimetric)
形式	solid
效能	>4640 mg/kg LD₅₀, skin (Rabbit)
pH值(酸碱度)	4.2-4.6 (20 ℃, 20 g/L in H₂O)
mp	252.6 ℃ (lit.)
密度	2.338 g/mL at 25 ℃ (lit.)
堆积密度	1200 kg/m³
痕量阴离子	chloride (Cl^-): ≤0.0005% sulfate (SO₄^2-): ≤0.003%
痕量阳离子	As: ≤ 0.0002% Fe: ≤ 0.0010% N: ≤ 0.001% Na: ≤ 0.005% heavy metals: ≤ 0.001% heavy metals (as Pb): ≤ 0.0010%
储存温度	2-30℃
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

储存分类代码	11 - Combustible Solids
WGK	WGK 1
闪点(F)	Not applicable
闪点(C)	Not applicable