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1.06391

Sodium carbonate decahydrate

Name: Sodium carbonate decahydrate
Brand: MM

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:

6132-02-1

分子量:

286.14

UNSPSC Code:

12352302

EC Index Number:

207-838-8

NACRES:

NA.21

MDL number:

MFCD00149178

Assay:

99-102% (acidimetric)

Form:

solid

Solubility:

210 g/L

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属性

Quality Segment

300

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% (Na₂CO₃basis, 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 (SO₄^2-): ≤0.003%, sulfur compounds (as SO₄^2-): ≤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

说明

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

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pictograms

GHS07

signalword

Warning

hcodes

H319

pcodes

P264 - P280 - P305 + P351 + P338 - P337 + P313

Hazard Classifications

Eye Irrit. 2

存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c