63136
硫酸マグネシウム
puriss. p.a., drying agent, anhydrous, ≥98.0% (KT), powder (very fine)
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この商品について
化学式:
MgSO4
CAS番号:
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 Segment
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
Magnesium sulfate is an anhydrous magnesium salt.
Application
Anhydrous magnesium sulfate can be used as a drying agent in organic synthesis. Due to its high affinity towards water molecules, it removes trace amount of dissolved water from the organic extracts during the workup process. It is also used as a drying agent in the off-line supercritical fluid extraction method.
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保管分類
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable