Sodium carbonate decahydrate

300

reag. ISO, reag. Ph. Eur.

EMSURE^®

99-102% (acidimetric)

solid

4090 mg/kg LD₅₀, oral (Rat)

36.7-40.0% (Na₂CO₃ basis, acidimetric)

11-12 (25 °C, 50 g/L in H₂O)

33 °C (Elimination of water of crystallisation)

210 g/L

1.44 g/cm³ at 20 °C

700‑900 kg/m³

chloride (Cl^-): ≤0.0005%, phosphate, silicate (as SiO₂): ≤0.002%, sulfate (SO₄^2-): ≤0.003%, sulfur compounds (as SO₄^2-): ≤0.003%

Al: ≤0.0005%, As: ≤0.0002%, Ca: ≤0.002%, Fe: ≤0.0002%, K: ≤0.005%, Mg: ≤0.0002%, N: ≤0.0005%, heavy metals (as Pb): ≤0.0005%

15-25°C

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

1S/CH2O3.2Na.10H2O/c2-1(3)4;;;;;;;;;;;;/h(H2,2,3,4);;;10*1H2/q;2*+1;;;;;;;;;;/p-2

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