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Potassium dihydrogen phosphate

磷酸二氢钾

品牌
Supelco
CAS
7778-77-0
货号
1.04877
规格纯度
for analysis (<= 0.005% Na) EMSURE® ACS,ISO,Reag. Ph Eur
参考价格
1883.18 *本价格含增值税费
促销
数量
-+
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)
mp252.6 ℃ (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 (SO42-): ≤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
InChI1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
InChI keyGNSKLFRGEWLPPA-UHFFFAOYSA-M

安全信息

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

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