产品说明
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
基本信息
经验(实验)分子式 | K2O7S2 |
分子量 | 254.32 |
MDL编号 | MFCD00011385 |
EC索引号 | 232-216-8 |
产品性质
质量水平 | 300 |
等级 | ACS reagent |
测定 | 97.5-100.0% (K2S2O7 basis, acidimetric) |
形式 | solid |
pH值(酸碱度) | 0.8 (20 ℃, 50 g/L in H2O) |
mp | 325 ℃ |
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 | |
警示用语: | Danger |
危险声明 | H314 - H330 |
预防措施声明 | P260 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
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 |