O0505
Oxalic acid dihydrate
ACS reagent, 99.5-102.5%
Synonym(s):
Ethanedioic acid dihydrate
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About This Item
InChI
1S/C2H2O4.2H2O/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);2*1H2
InChI key
GEVPUGOOGXGPIO-UHFFFAOYSA-N
SMILES string
[H]O[H].[H]O[H].OC(=O)C(O)=O
grade
ACS reagent
vapor density
4.4 (vs air)
vapor pressure
<0.01 mmHg ( 20 °C)
assay
99.5-102.5%
impurities
Substances darkened by hot sulfuric acid, passes test, ≤0.001% Nitrogen compounds (as N), ≤0.005% Insoluble matter
ign. residue
≤0.01%
mp
104-106 °C (lit.)
anion traces
chloride (Cl-): ≤0.002%, sulfate (SO42-): ≤0.005%
cation traces
Ca: ≤0.001%, Fe: ≤2 ppm, heavy metals (as Pb): ≤5 ppm
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1
Storage Class
11 - Combustible Solids
wgk
WGK 1
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