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1.02407

Supelco

di-Sodium oxalate

volumetric standard, secondary reference material for redox titration, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. USP

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Synonym(s):
di-Sodium oxalate, Oxalic acid sodium salt
Empirical Formula (Hill Notation):
C2Na2O4
CAS Number:
62-76-0
Molecular Weight:
134.00
MDL number:
MFCD00012465
UNSPSC Code:
41116107
EC Index Number:
200-550-3
NACRES:
NA.24

Agency

ISO 17025
reag. USP

Quality Level

300

form

solid

potency

375 mg/kg LD50, oral (Rat)

technique(s)

titration: suitable

pH

8 (20 °C, 30 g/L in H2O)

mp

250-270 °C (decomposition)

density

2.27 g/cm3 at 20 °C

bulk density

600 kg/m3

storage temp.

15-25°C

InChI

1S/C2H2O4.2Na/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);;/q;2*+1/p-2

InChI key

ZNCPFRVNHGOPAG-UHFFFAOYSA-L

Related Categories

General description

Di-sodium oxalate is a volumetric standard manufactured under stringent conditions and measured with the highest possible precision. Its mass fraction is determined by potentiometric titration, and it is qualified in a DIN EN ISO/IEC 17025 accredited laboratory.
Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.

Application

It is used as a certified reference material (CRM) for titer determinations in redox titrations, according to reagents chapters of USP and Ph. Eur.

Features and Benefits

  • Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
  • Certified reference material according to ISO 17034
  • High-purity material traceable to NIST standard reference materials
  • Qualified in a DIN EN ISO/IEC 17025 accredited laboratory
  • In accordance with the chapter reagents of USP and Ph. Eur
  • High-quality offering accurate titer determinations
  • Accompanied by a certificate of analysis (CoA)

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

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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302 + H312

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Articles

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