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Merck
CN

13117

Magnesium carbonate basic

puriss., meets analytical specification of Ph. Eur., BP, E504, light, 40-45% Mg (as MgO) basis, powder (light)

Synonym(s):

Magnesium hydroxide carbonate

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About This Item

Linear Formula:
MgCO3
CAS Number:
39409-82-0
Molecular Weight:
84.31
NACRES:
NA.21
PubChem Substance ID:
329750016
UNSPSC Code:
12352301
EC Number:
235-192-7
MDL number:
MFCD00011107
Form:
powder (light)

Key Documents

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InChI key

UDYRPJABTMRVCX-UHFFFAOYSA-J

InChI

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

SMILES string

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

grade

puriss.

form

powder (light)

quality

meets analytical specification of Ph. Eur., BP, E504

composition

Mg (as MgO), 40-45%

impurities

residual solvents, complies, ≤0.001% heavy mteals (as Pb), ≤0.05% insoluble in acetic acid, ≤1% in water soluble matter

anion traces

chloride (Cl-): ≤300 mg/kg, sulfate (SO42-): ≤2000 mg/kg

cation traces

As: ≤1 mg/kg, Ca: ≤4000 mg/kg, Cu: ≤10 mg/kg, Fe: ≤200 mg/kg, Hg: ≤1 mg/kg, Pb: ≤5 mg/kg, Zn: ≤10 mg/kg

suitability

complies for appearance of solution

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General description

Magnesium carbonate basic (Magnesium hydroxy carbonate) has been synthesized by reacting magnesium hydroxide and carbon dioxide.

Application

Magnesium carbonate basic may be employed for the isolation of carotenoids from grapes during the quantification of carotenoids in grapes by reversed-phase C30 (RP-30) HPLC-DAD-MS (ESI+) (High-performance liquid chromatography-diode array detection-mass spectrometry with electrospray ionization) analysis.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Preparation of a magnesium hydroxy carbonate from magnesium hydroxide.
Botha A and Strydom CA.
Hydrometallurgy, 62(1), 175-183 (2001)
Pasquale Crupi et al.
Journal of mass spectrometry : JMS, 45(9), 971-980 (2010-09-04)
Carotenoids are uniquely functional polyene pigments ubiquitous in nature; aside from being responsible for the color of a wide variety of vegetables, interest is being focused on food carotenoids due to their likely health benefits. From analytical point of view

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