00166

Eschka′s Reagent

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

• Synonym(s): Magnesium oxide – sodium carbonate 2:1
• Linear Formula: 2MgO · Na₂CO₃
• CAS Number: 8007-09-8
• MDL number: MFCD19439615
• UNSPSC Code: 41116105
• PubChem Substance ID: 329747010
• NACRES: NA.21

Properties

• Quality Level: 100
• 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
• SMILES string: [Na+].[Na+].O=[Mg].O=[Mg].[O-]C([O-])=O
• InChI: 1S/CH2O3.2Mg.2Na.2O/c2-1(3)4;;;;;;/h(H2,2,3,4);;;;;;/q;;;2*+1;;/p-2
• InChI key: GANAIKRVCIWEMO-UHFFFAOYSA-L

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H319
• pcodes: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Hazard Classifications: Eye Irrit. 2
• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves