32322
Sodium oxalate
puriss. p.a., ≥99.5%
Synonym(s):
Ethanedioic acid sodium salt, Oxalic acid disodium salt
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About This Item
Linear Formula:
NaOOCCOONa
CAS Number:
Molecular Weight:
134.00
EC Number:
200-550-3
UNSPSC Code:
12352300
MDL number:
Beilstein/REAXYS Number:
3631622
grade
puriss. p.a.
assay
≥99.5%
impurities
≤0.0005% total nitrogen (N), ≤0.001% heavy metals (as Pb)
loss
≤0.05% loss on drying, 105 °C
pH
7.0-8.5 (20 °C, 2.5%)
anion traces
chloride (Cl-): ≤20 mg/kg, sulfate (SO42-): ≤100 mg/kg
cation traces
Fe: ≤5 mg/kg, K: ≤50 mg/kg
SMILES string
[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
InChI key
ZNCPFRVNHGOPAG-UHFFFAOYSA-L
Other Notes
This product has been replaced by 71800-Sigma-Aldrich | Sodium oxalate, puriss. p.a., ACS reagent, ≥99.5% (RT) | NaOOCCOONa
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signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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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
Lu Gao et al.
International journal of phytoremediation, 15(4), 307-319 (2013-03-16)
Phytolacca americana L. can accumulate large amounts of heavy metals in its aerial tissues, especially cadmium (Cd) and manganese (Mn). It has great potential for use in phytoextraction of metals from multi-metal-contaminated soils. This study was conducted to further investigate
Taiying Zhang et al.
Carbohydrate polymers, 92(1), 334-344 (2012-12-12)
Dilute oxalic acid pretreatment was applied to maple wood to improve compatibility with downstream operations, and its performance in pretreatment and subsequent enzymatic hydrolysis was compared to results for hydrothermal and dilute hydrochloric and sulfuric acid pretreatments. The highest total