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Merck
CN

00166

Eschka′s Reagent

for sulfur determination in carbon, 38-42% (Mg, complexometric)

Synonym(s):

Magnesium oxide – sodium carbonate 2:1

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About This Item

Linear Formula:
2MgO · Na2CO3
CAS Number:
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
41116105
MDL number:
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InChI

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

SMILES string

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

InChI key

GANAIKRVCIWEMO-UHFFFAOYSA-L

assay

38-42% (Mg, complexometric)

form

powder

quality

for sulfur determination in carbon

impurities

magnesium oxide, ≤0.0005% total of sulfur (S)

loss

≤0.5% loss on drying, 105 °C

cation traces

Ba: ≤10 mg/kg, Ca: ≤200 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤50 mg/kg, K: ≤50 mg/kg, Mn: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

application(s)

forensics and toxicology

Quality Level

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pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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