碱式碳酸镁

产品名称

碱式碳酸镁, heavy extra pure, Ph. Eur., BP, USP, E 504

SMILES string

[Mg+2].[O-]C(=O)[O-].[O-H]

InChI

1S/CH2O3.Mg.H2O/c2-1(3)4;;/h(H2,2,3,4);;1H2/q;+2;/p-3

InChI key

OUHCLAKJJGMPSW-UHFFFAOYSA-K

agency

BP
Ph. Eur.
USP

assay

40.0-43.5% Mg (as MgO) basis (USP)
40.0-43.5% Mg (as MgO) basis (complexometric)

form

solid

pH

10.5 (20 °C, 50 g/L in H₂O, suspension)

mp

600 °C (decomposition)

solubility

water: insoluble at 20 °C

density

2.16 g/cm³ at 20 °C

anion traces

chloride (Cl^-): ≤0.02%
sulfate (SO₄^2-): ≤0.3%

cation traces

As: ≤0.0002%
Ca: ≤0.4%
Fe: ≤0.005%
Hg: ≤0.0001%
Na: ≤0.1%
Ni: ≤0.0100%
Pb: ≤0.0002%
Si: ≤0.05%
V: ≤0.0010%
heavy metals (as Pb): ≤0.001%

application(s)

pharma/biopharma processes

storage temp.

2-30°C

Quality Level

400