Merck
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13142

Sigma-Aldrich

硫酸镁 七水合物

99.5-100.5% (calc. to the dried substance), meets analytical specification of Ph. Eur., BP,USP, FCC

Synonym(s):
泻盐
Linear Formula:
MgSO4 · 7H2O
CAS Number:
Molecular Weight:
246.47
EC 号:
MDL编号:
eCl@ss:
38030409
PubChem化学物质编号:
NACRES:
NA.21

质量水平

200

蒸汽密度

<0.01 (vs air)

蒸汽压

<0.1 mmHg ( 20 °C)

测定

99.5-100.5% (calc. to the dried substance)

形式

powder or crystals

质量

meets analytical specification of Ph. Eur., BP,USP, FCC

杂质

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)

缺失

48.0-52.0% loss on drying, 450 °C

pH值(酸碱度)

5.0-9.2 (25 °C, 5%)

痕量阴离子

chloride (Cl-): ≤150 mg/kg

痕量阳离子

As: ≤2 ppm
Fe: ≤20 ppm
Pb: ≤4 ppm
Se: ≤30 ppm

适用性

complies for appearance of solution

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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一般描述

硫酸镁七水合物是镁的水合盐。通过电子自旋共振(ESR)光谱研究确定了硫酸镁七水合物中(Cu(H2O)6)2+配合物的自旋哈密顿参数。已经报道了10种水合和无水形式的硫酸镁的拉曼光谱。它们的晶体结构和空间基团已通过拉曼和XRD(X线检查衍射)研究进行了评估。

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(F)

Not applicable

闪点(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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