OX0270
Oxalic Acid, Dihydrate
Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
Synonym(s):
Oxalic Acid, Dihydrate, Ethanedioic Acid, Dihydrate, Ethanedioic Acid
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About This Item
grade
ACS reagent
Quality Segment
agency
meets USP/NF
vapor pressure
0.000312 hPa ( 25 °C)
assay
99.5-102.5%
form
solid
impurities
≤0.005% Insoluble matter
ign. residue
≤0.01%
pH
1.5 (10 g/L in H2O)
bp
149-160 °C/1013 hPa (decomposition)
mp
98-100 °C (Elimination of water of crystallisation)
transition temp
flash point 157 °C (decomposition)
solubility
>100 g/L
density
1.65 g/cm3 at 20 °C
anion traces
chloride (Cl-): ≤0.002%, sulfate (SO42-): ≤0.005%
cation traces
Ca: ≤0.001%, Fe: ≤2 ppm, N: ≤0.001%, heavy metals: ≤5 ppm
shipped in
ambient
storage temp.
room temp
InChI
1S/C2H2O4.2H2O/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);2*1H2
InChI key
GEVPUGOOGXGPIO-UHFFFAOYSA-N
Application
Analysis Note
Calcium (Ca): 0.001% max
Chloride (Cl): 0.002% max
Heavy Metals (by ICP-OES): 5ppm max
Insoluble matter: 0.005% max
Iron (Fe): 2ppm max
Nitrogen compounds (as N): 0.001% max
Residue after ignition: 0.01% max
Substances darkened by hot sulfuric acid: To pass test
Sulfate (SO4): 0.005% max
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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
Certificates of Analysis (COA)
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