1.06391
Sodium carbonate decahydrate
for analysis EMSURE® ISO,Reag. Ph Eur
Synonym(s):
Sodium carbonate decahydrate, Soda, Sodium Carbonate decahydrate
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About This Item
Quality Segment
agency
reag. ISO, reag. Ph. Eur.
product line
EMSURE®
assay
99-102% (acidimetric)
form
solid
potency
4090 mg/kg LD50, oral (Rat)
concentration
36.7-40.0% (Na2CO3 basis, acidimetric)
pH
11-12 (25 °C, 50 g/L in H2O)
mp
33 °C (Elimination of water of crystallisation)
solubility
210 g/L
density
1.44 g/cm3 at 20 °C
bulk density
700‑900 kg/m3
anion traces
chloride (Cl-): ≤0.0005%, phosphate, silicate (as SiO2): ≤0.002%, sulfate (SO42-): ≤0.003%, sulfur compounds (as SO42-): ≤0.003%
cation traces
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%
storage temp.
15-25°C
SMILES string
[Na+].[Na+].[O-]C(=O)[O-].O.O.O.O.O.O.O.O.O.O
InChI
1S/CH2O3.2Na.10H2O/c2-1(3)4;;;;;;;;;;;;/h(H2,2,3,4);;;10*1H2/q;2*+1;;;;;;;;;;/p-2
InChI key
XYQRXRFVKUPBQN-UHFFFAOYSA-L
Analysis Note
Assay (acidimetric): 99.0 - 102.0 %
Identity: passes test
Appearance of solution: passes test
Alkali hydroxides and Alkali hydrogen carbonates: passes test
Chloride (Cl): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.003 %
Phosphate and Silicate (as SiO₂): ≤ 0.002 %
Total sulfur (as SO₄): ≤ 0.003 %
Total nitrogen (N): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.0005 %
As (Arsenic): ≤ 0.0002 %
Ca (Calcium): ≤ 0.002 %
Fe (Iron): ≤ 0.0002 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.0002 %
Corresponds to ISO, Reag. Ph Eur
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Signal Word
Warning
Hazard Codes
Precautionary Statements
Hazard Classifications
Eye Irrit. 2
Storage Class
13 - Non Combustible Solids
WGK
WGK 1
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
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