63140
硫酸镁 七水合物
puriss. p.a., ACS reagent, ≥99.0% (KT)
别名:
泻盐
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关于此项目
线性分子式:
MgSO4 · 7H2O
化学文摘社编号:
分子量:
246.47
PubChem Substance ID:
eCl@ss:
38030409
UNSPSC Code:
12352302
NACRES:
NB.24
EC Number:
231-298-2
MDL number:
Assay:
≥99.0% (KT)
Form:
powder or crystals
产品名称
硫酸镁 七水合物, puriss. p.a., ACS reagent, ≥99.0% (KT)
InChI key
WRUGWIBCXHJTDG-UHFFFAOYSA-L
InChI
1S/Mg.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2
SMILES string
O.O.O.O.O.O.O.[Mg++].[O-]S([O-])(=O)=O
grade
ACS reagent
puriss. p.a.
vapor density
<0.01 (vs air)
vapor pressure
<0.1 mmHg ( 20 °C)
assay
≥99.0% (KT)
form
powder or crystals
impurities
≤0.005% insoluble matter
pH
5.0-8.2 (25 °C, 50 mg/mL in H2O)
anion traces
chloride (Cl-): ≤5 mg/kg
nitrate (NO3-): ≤20 mg/kg
cation traces
As: ≤0.1 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
Mn: ≤5 mg/kg
NH4+: ≤20 mg/kg
Na: ≤10 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg
heavy metals: ≤5 ppm (by ICP-OES)
Quality Level
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Application
Magnesium sulfate heptahydrate can be used as a catalyst to synthesize tri/tetra-substituted imidazoles via a one-pot condensation reaction of aromatic aldehydes, benzil, aliphatic and aromatic primary amines, and ammonium acetate. It is also used to synthesize phenazine and quinoxaline derivatives.
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ESR studies of (Cu(H2O)6)2+ in magnesium sulfate heptahydrate.
Radhakrishna S and Bhaskar Rao T.
Journal of Magnetic Resonance, 32(1), 71-81 (1978)
Sulfates on Mars: A systematic Raman spectroscopic study of hydration states of magnesium sulfates.
Wang A, et al.
Geochimica et Cosmochimica Acta, 70(24), 6118-6135 (2006)
Kirsten M Ellegaard et al.
Current biology : CB, 30(13), 2520-2531 (2020-06-13)
Most bacterial species encompass strains with vastly different gene content. Strain diversity in microbial communities is therefore considered to be of functional importance. Yet little is known about the extent to which related microbial communities differ in diversity at this
Petra Marhava et al.
Developmental cell, 52(2), 223-235 (2019-12-24)
Cell polarity is a key feature in the development of multicellular organisms. For instance, asymmetrically localized plasma-membrane-integral PIN-FORMED (PIN) proteins direct transcellular fluxes of the phytohormone auxin that govern plant development. Fine-tuned auxin flux is important for root protophloem sieve
Philippe Jean et al.
Nature communications, 11(1), 3208-3208 (2020-06-27)
Inner hair cells (IHCs) are the primary receptors for hearing. They are housed in the cochlea and convey sound information to the brain via synapses with the auditory nerve. IHCs have been thought to be electrically and metabolically independent from
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