di-Sodium oxalate

C ₂Na ₂O ₄

134.00

MFCD00012465

200-550-3

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.

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

• 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)

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

300

ISO 17025
reag. USP

solid

375 mg/kg LD ₅₀, oral (Rat)

titration: suitable

8 (20 ℃, 30 g/L in H ₂O)

250-270 ℃ (decomposition)

2.27 g/cm ³at 20 ℃

600 kg/m ³

15-25℃

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

ZNCPFRVNHGOPAG-UHFFFAOYSA-L

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

GHS07

Warning

H302 + H312

P264 - P270 - P280 - P301 + P312 - P302 + P352 + P312 - P362 + P364

Acute Tox. 4 Dermal - Acute Tox. 4 Oral

11 - Combustible Solids

WGK 1