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Merck
CN

1.06391

Sodium carbonate decahydrate

for analysis EMSURE® ISO,Reag. Ph Eur

别名:

Sodium carbonate decahydrate, Soda, Sodium Carbonate decahydrate

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关于此项目

经验公式(希尔记法):
CNa2O3 · 10H2O
化学文摘社编号:
分子量:
286.14
UNSPSC Code:
12352302
EC Index Number:
207-838-8
NACRES:
NA.21
MDL number:
Assay:
99-102% (acidimetric)
Form:
solid
Solubility:
210 g/L
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产品名称

Sodium carbonate decahydrate, for analysis EMSURE® ISO,Reag. Ph Eur

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

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

Quality Level

相关类别

Legal Information

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

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

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2

存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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