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1.02405 Supelco

Sodium carbonate

volumetric standard, secondary reference material for acidimetry, traceable to NIST SRM Certipur®

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

  • CAS Number 497-19-8

  • Linear Formula Na2CO3

  • Molecular Weight 105.99

  •  Beilstein/REAXYS Number 4154566

  •  MDL number MFCD00003494

  •  EC Index Number 207-838-8

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Properties

Agency/Method   ISO 17025
  ISO 17025
  reag. Ph. Eur.
  reag. USP
Quality Level   300
form   solid
potency   4090 mg/kg LD50, oral (Rat)
application(s)   titration: suitable
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
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
storage conditions   Store at +15°C to +25°C.

Description

General description

volumetric standard, secondary reference material for acidimetry, traceable to NIST SRM Certipur®

Application

Sodium carbonate volumetric standard, secondary reference material for acidimetry, traceable to NIST SRM Certipur®. CAS No. 497-19-8, EC Number 207-838-8.

Biochem/physiol Actions

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

Packaging

SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals

Legal Information

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

Safety & Documentation

Safety Information

Protocols & Articles

Articles

The Importance of the Standardization of Volumetric Solutions

The so-called titer determination or standardization of a volumetric solution used for titration is one of the most important preconditions for reliable and transparent titration results. Accurate an...
Bettina Straub-Jubb
Global Product Manager Titration
Keywords: Evaporation, PAGE, Titrations

Volumetric Standards

Secondary reference materials for volumetry Proper titer determination is an important prerequisite for accurate and comparable analysis in the titration laboratory. Titration results are influenced ...
Keywords: Acid-Base titrations, Iodometric titrations, Ion-exchange chromatography, Redox titrations, Titrations

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