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1.06391

Supelco

Sodium carbonate decahydrate

for analysis EMSURE® ISO,Reag. Ph Eur

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Synonym(s):
Sodium carbonate decahydrate, Soda, Sodium Carbonate decahydrate
Empirical Formula (Hill Notation):
CNa2O3 · 10H2O
CAS Number:
6132-02-1
Molecular Weight:
286.14
MDL number:
MFCD00149178
UNSPSC Code:
12352302
EC Index Number:
207-838-8
NACRES:
NA.21

Agency

reag. ISO
reag. Ph. Eur.

Quality Level

300

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

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
GHS07

Signal Word

Warning

Hazard Statements

H319

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

Certificates of Analysis (COA)

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