MilliporeSigma
All Photos(1)

1.06391

Supelco

Sodium carbonate decahydrate

for analysis EMSURE® ISO,Reag. Ph Eur

Synonym(s):
Sodium carbonate decahydrate, Soda, Sodium Carbonate decahydrate
Empirical Formula (Hill Notation):
CNa2O3 · 10H2O
CAS Number:
Molecular Weight:
286.14
MDL number:
EC Index Number:
207-838-8

Agency

reag. ISO
reag. Ph. Eur.

Quality Level

product line

EMSURE®

assay

36.7-40.0% (Na2CO3 basis, acidimetric)
99-102% (acidimetric)

form

solid

potency

4090 mg/kg LD50, oral (Rat)

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

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

Related Categories

Analysis Note

Assay (acidimetric, Na₂CO₃): 36.7 - 40.0 %
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

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Quality

Enter Lot Number to search for Certificate of Quality (COQ).

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service