Documents
63138
Magnesium sulfate heptahydrate
BioUltra, ≥99.5% (KT)
Recommended Products
vapor density
<0.01 (vs air)
Quality Level
vapor pressure
<0.1 mmHg ( 20 °C)
product line
BioUltra
Assay
≥99.5% (KT)
impurities
insoluble matter, passes filter test
≤0.002% total nitrogen (N)
pH
5.0-8.0 (25 °C, 1 M in H2O)
solubility
H2O: 1 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤5 mg/kg
cation traces
Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤1 mg/kg
K: ≤10 mg/kg
Li: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤10 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg
λ
1 M in H2O
UV absorption
λ: 260 nm Amax: 0.010
λ: 280 nm Amax: 0.010
SMILES string
O.O.O.O.O.O.O.[Mg++].[O-]S([O-])(=O)=O
InChI
1S/Mg.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2
InChI key
WRUGWIBCXHJTDG-UHFFFAOYSA-L
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This Item | 63140 | M5921 | 13142 |
|---|---|---|---|
| assay ≥99.5% (KT) | assay ≥99.0% (KT) | assay ≥99.0% | assay 99.5-100.5% (calc. to the dried substance) |
| impurities insoluble matter, passes filter test, ≤0.002% total nitrogen (N) | impurities ≤0.005% insoluble matter | impurities ≤0.0005% Phosphorus (P), ≤0.005% Insoluble matter | impurities acidity or alkalinity, in accordance, organic volatile impurities, complies (GC), residual solvents, complies, ≤0.001 ppm heavy metals (as Pb), ≤0.004% free alkali (as MgO), ≤0.01% free acid (as H2SO4) |
| pH 5.0-8.0 (25 °C, 1 M in H2O) | pH 5.0-8.2 (25 °C, 50 mg/mL in H2O) | pH - | pH 5.0-9.2 (25 °C, 5%) |
| solubility H2O: 1 M at 20 °C, clear, colorless | solubility - | solubility H2O: 1 M, clear, colorless | solubility - |
| anion traces chloride (Cl-): ≤5 mg/kg | anion traces chloride (Cl-): ≤5 mg/kg, nitrate (NO3-): ≤20 mg/kg | anion traces - | anion traces chloride (Cl-): ≤150 mg/kg |
Other Notes
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
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