焦硫酸钾，Potassium disulfate；for analysis EMSURE® ACS, 97.5-100.0% (K2S2O7 basis, acidimetric)

图片 焦硫酸钾，Potassium disulfate；for analysis EMSURE® ACS, 97.5-100.0% (K2S2O7 basis, acidimetric)
别名：1051071000；1051075000；1051079050；无水重硫酸钾；Potassium pyrosulfate；Potassium disulfate (Potassium pyrosulfate)；Potassium disulfate (Potassium pyrosulfate), Potassium pyrosulfate

Empirical Formula (Hill Notation): K2O7S2 CAS号: 7790-62-7 分子量: 254.32 MDL编号: MFCD00011385 EC索引号: 232-216-8
制造商品牌: 默克 Merck , 色谱科 Supelco , 西格玛 Sigma-Aldrich
货号（SKU）: 1.05107
CAS号: 7790-62-7
MDL号: MFCD00011385
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说明

联系

Replaces: PX1581; PX1581-1; PX1581-3; PX1581-20; PX1581-5W; PX1581-5
 

分析说明

Assay (acidimetric, as K₂S₂O₇): 97.5 - 100.0 %
Acidity (as H₂SO₄): 37.5 - 38.6 %
Insoluble and by ammoniumhydroxide precipitated matter: ≤ 0.01 %
Chloride (Cl): ≤ 0.0005 %
Phosphate (PO₄): ≤ 0.001 %
Total nitrogen (N): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.001 %
Al (Aluminium): ≤ 0.001 %
As (Arsenic): ≤ 0.0005 %
Ca (Calcium): ≤ 0.002 %
Fe (Iron): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.0005 %
Na (Sodium): ≤ 0.01 %
Water (H₂O): ≤ 2.5 %
Conforms ACS.
 

法律信息

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

属性

等级

ACS reagent

质量水平

300

产品线

EMSURE®

检测方案

97.5-100.0% (K2S2O7 basis, acidimetric)

形式

solid

杂质

≤0.01% Insoluble and by ammoniumhydroxide precipitated matter
≤2.5% Water
37.5-38.6% Acidity (as H2SO4)

pH值（酸碱度）

0.8 (20 °C, 50 g/L in H2O)

mp

325 °C

堆积密度

830 kg/m3

痕量阴离子

chloride (Cl-): ≤0.0005%
phosphate (PO43-): ≤0.001%

痕量阳离子

Al: ≤0.001%
As: ≤0.0005%
Ca: ≤0.002%
Fe: ≤0.0005%
Mg: ≤0.0005%
N: ≤0.002%
Na: ≤0.01%
heavy metals (as Pb): ≤0.001%

储存温度

no temp limit

InChI

1S/2K.H2O7S2/c;;1-8(2,3)7-9(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2

InChI key

KAQHZJVQFBJKCK-UHFFFAOYSA-L

 

安全信息

象形图

CorrosionSkull and crossbones
GHS05,GHS06

警示用语：

Danger

危险声明

H314 - H330

危险分类

Acute Tox. 2 Inhalation - Eye Dam. 1 - Skin Corr. 1A

储存分类代码

6.1B - Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

个人防护装备

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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储存温度 Storage temp.常温阴凉避光
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