63136
硫酸镁
puriss. p.a., drying agent, anhydrous, ≥98.0% (KT), powder (very fine)
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关于此项目
经验公式（希尔记法）:
MgSO4
化学文摘社编号:
分子量:
120.37
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-298-2
MDL number:
Assay:
≥98.0% (KT)
Form:
powder (very fine)
vapor density
<0.01 (vs air)
Quality Level
vapor pressure
<0.1 mmHg ( 20 °C)
grade
puriss. p.a.
assay
≥98.0% (KT)
form
powder (very fine)
loss
≤2% loss on ignition, 600 °C
pH
~7.9 (25 °C, 50 g/L)
anion traces
chloride (Cl-): ≤50 mg/kg, nitrate (NO3-): ≤40 mg/kg
cation traces
Al: ≤20 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤400 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤10 mg/kg, K: ≤200 mg/kg, Li: ≤5 mg/kg, Mn: ≤20 mg/kg, Mo: ≤5 mg/kg, NH4+: ≤20 mg/kg, Na: ≤100 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg
SMILES string
[Mg++].[O-]S([O-])(=O)=O
InChI
1S/Mg.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
InChI key
CSNNHWWHGAXBCP-UHFFFAOYSA-L
General description
硫酸镁是一种无水镁盐。
Application
无水硫酸镁可在有机合成中用作干燥剂。由于其对水的高亲和性，无水硫酸镁可在后处理过程中去除有机提取物中的微量溶解水。它也可用作离线超临界流体萃取方法的干燥剂。
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存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Comparison of magnesium sulfate and sodium sulfate for removal of water from pesticide extracts of foods
Schenck FJ, et al.
Journal of Sulfur Chemistry, 85, 1177-1180 (2002)
Development of an improved method to extract pesticide residues in foods using acetontrile with magnesium sulfate and chloroform
Liu G, et al.
Journal of Chromatography A, 1218, 1429-1436 (2011)
Validation of Analytical Method for Determination of 352 Pesticide Residues in Soil by LC- MS/MS.
El-Gohary AA.
Middle East Journal of Applied Sciences, 4(3), 589-599 (2014)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| M0506-5G | 04061832417196 |
| M0506-1G | 04061826060049 |
| 63136-1KG-F | 04061835563425 |
| 63136-250G-F | 04061832721071 |