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71800

Sigma-Aldrich

Sodium oxalate

puriss. p.a., ACS reagent, ≥99.5% (RT)

Sinonimo/i:

Ethanedioic acid sodium salt, Oxalic acid disodium salt

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About This Item

Formula condensata:
NaOOCCOONa
Numero CAS:
62-76-0
Peso molecolare:
134.00
Beilstein:
3631622
Numero CE:
200-550-3
Numero MDL:
MFCD00012465
Codice UNSPSC:
12352300
eCl@ss:
39021701
ID PubChem:
329763542
NACRES:
NB.24
Saggio:
≥99.5% (RT)
Stato:
powder or crystals

Grado

ACS reagent
puriss. p.a.

Livello qualitativo

200

Saggio

≥99.5% (RT)

Stato

powder or crystals

Impurezze

≤0.002% ammonium (NH4)

Perdita

≤0.01% loss on drying, 105 °C

pH

7-8.5 (25 °C, 2.5% in H2O)

Anioni in tracce

chloride (Cl-): ≤20 mg/kg
sulfate (SO42-): ≤20 mg/kg

Cationi in tracce

Ca: ≤100 mg/kg
Cd: ≤10 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤10 mg/kg
K: ≤50 mg/kg
Mg: ≤10 mg/kg
Mn: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

Stringa SMILE

[Na+].[Na+].[O-]C(=O)C([O-])=O

InChI

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

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Descrizione generale

Sodium oxalate is a sodium salt of oxalic acid consisting of sodium and oxalate ions. It is used as a reducing agent in chemical synthesis. Additionally, it also acts as a surface modifier and a desulfurizing agent.

Applicazioni

Sodium oxalate can be used as a stabilizer in the determination of L-ascorbic acid in vitamin C products by the ultraviolet spectrophotometric method. It is also used in the synthesis of copper oxalate nanoparticles by electrolysis of copper plate as anode.

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H302 + H312

Classi di pericolo

Acute Tox. 4 Dermal - Acute Tox. 4 Oral

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

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Certificati d'analisi (COA)

Lot/Batch Number
BCCF1170
BCCC6505
BCCC5711
BCCC5710
BCBZ8129

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Cobalt(II) oxalate dihydrate

Sigma-Aldrich

401285

Cobalt(II) oxalate dihydrate

Hong-Joo Lee et al.
Bioresource technology, 130, 211-217 (2013-01-12)
The present study investigated the feasibility of the recovery and reuse oxalic acid in a multistage process for the pretreatment of a lignocellulosic biomass. Electrodialysis (ED), an electrochemical process using ion exchange membranes, was used to recover and reuse oxalic
Jiří Jan et al.
Water research, 47(2), 547-557 (2012-12-12)
Correct identification of P forms together with their main Fe and Al binding partners in non-calcareous sediments is of crucial importance for evaluation of P cycling in water bodies. In this paper, we assess extraction methods frequently used for this
Peiyan Li et al.
Food chemistry, 142, 72-78 (2013-09-05)
Effects of oxalic acid on chilling injury, proline metabolism and energy status in mango fruit were investigated after mango fruit (Mangifera indica L. cv. Zill) were dipped in 5mM oxalic acid solution for 10min at 25°C and then stored at
Lars Poulsen et al.
PloS one, 7(12), e50596-e50596 (2012-12-20)
Acid formation in Aspergillus niger is known to be subjected to tight regulation, and the acid production profiles are fine-tuned to respond to the ambient pH. Based on transcriptome data, putative trans-acting pH responding transcription factors were listed and through
Lois Fernandez et al.
Clinical biochemistry, 46(4-5), 285-288 (2012-12-12)
There are no direct comparisons of blood glucose values in samples collected with barrier serum tubes (SST) and NaF/potassium oxalate (NaF/KOx) plasma tubes. Collection of samples in SST tubes can offer considerable savings and specimen processing advantages for national level
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