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1.06392

Sodium carbonate

Name: Sodium carbonate
Brand: MM

anhydrous for analysis EMSURE^® ISO

Synonym(s):

anhydrous soda, Calcined soda, Carbonic acid disodium salt, Soda ash

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About This Item

Linear Formula:

Na₂CO₃

CAS Number:

497-19-8

Molecular Weight:

105.99

UNSPSC Code:

12352302

NACRES:

NA.21

EC Index Number:

207-838-8

MDL number:

MFCD00003494

Beilstein/REAXYS Number:

4154566

Assay:

≥99.9% dry basis (acidimetric)

Form:

powder

Solubility:

212.5 g/L

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Properties

Quality Level

300

agency

reag. ISO, suitable for SM 2310, suitable for SM 2320, suitable for SM 4500 - NH3

product line

EMSURE^®

assay

≥99.9% dry basis (acidimetric)

form

powder

potency

4090 mg/kg LD₅₀, oral (Rat)

loss

≤1% loss on drying, 300 °C

pH

11.16 (25 °C, 4 g/L in H₂O)

mp

851 °C (lit.)

solubility

212.5 g/L

density

2.53 g/cm³ at 20 °C

bulk density

1100 kg/m³

anion traces

chloride (Cl^-): ≤0.002%, phosphate (PO₄^3-): ≤0.001%, silicate (as SiO₂): ≤0.002%, sulfur compounds (as SO₄^2-): ≤0.005%

cation traces

Al: ≤0.001%, Ca: ≤0.005%, Fe: ≤0.0005%, K: ≤0.01%, Mg: ≤0.0005%, N: ≤0.001%, heavy metals (as Pb): ≤0.0005%

storage temp.

2-30°C

SMILES string

O=C(O[Na])O[Na]

InChI

1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2

InChI key

CDBYLPFSWZWCQE-UHFFFAOYSA-L

Description

Application

Enhancing Carbonate Content in Hydroxyapatites: Sodium carbonate is crucial in synthesizing carbonate-substituted hydroxyapatites, which are important materials in bone regeneration and dental applications. Recent research has focused on maximizing the carbonate content in these materials, highlighting the role of sodium carbonate in enhancing their structural and functional properties (Nowicki et al., Journal of Solid State Chemistry, 2021).

Biochem/physiol Actions

Buffer component, may be used for the removal of peripheral membrane proteins.

Analysis Note

Assay (acidimetric; calculated on dried substance): ≥ 99.9 %
Chloride (Cl): ≤ 0.002 %
Phosphate (PO₄): ≤ 0.001 %
Silicate (as SiO₂): ≤ 0.002 %
Total sulfur (as SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.001 %
Ca (Calcium): ≤ 0.005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.01 %
Mg (Magnesium): ≤ 0.0005 %
Loss on drying (300 °C): ≤ 1.0 %
Corresponds to ISO

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

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c