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Merck
CN

8.18242

Oxalic acid dihydrate

for synthesis

Synonym(s):

Oxalic acid dihydrate, Ethanedioic acid

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About This Item

Linear Formula:
(COOH)2 · 2 H2O
CAS Number:
Molecular Weight:
126.07
UNSPSC Code:
12352106
EC Index Number:
205-634-3
NACRES:
NA.22
MDL number:
Assay:
≥99% (manganometric)
Form:
solid
Grade:
synthesis grade
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grade

synthesis grade

Quality Level

vapor pressure

0.000312 hPa ( 25 °C)

assay

≥99% (manganometric)

form

solid

potency

375 mg/kg LD50, oral (Rat)

pH

1.5 (10 g/L in H2O)

bp

149-160 °C/1013 hPa (decomposition)

mp

98-100 °C

transition temp

flash point 157 °C (decomposition)

solubility

>100 g/L

density

1.65 g/cm3 at 20 °C

bulk density

813 kg/m3

storage temp.

2-30°C

SMILES string

[O+H3].[O+H3].[O-]C(=O)C(=O)[O-]

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

<ul>
<li><strong>Oxalic Acid Dihydrate in Nanomaterial Synthesis:</strong> During the co-precursor driven solid-state thermal reactions oxalic acid dihydrate is used to produce hematite nanomaterials, providing insights into its role in enhancing reaction kinetics for material science applications (Chakraborty et al., 2023).</li>
<li><strong>Oxalic Acid Dihydrate in Polymer Research:</strong>oxalic acid dihydrate is used in modifying the supramolecular structure of bamboo to facilitate the production of lignin-containing nanocellulose, highlighting its utility in sustainable material processing (Wang et al., 2023).</li>
</ul>

Analysis Note

Assay (manganometric): ≥ 99.0 %
Identity (IR): passes test


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pictograms

CorrosionExclamation mark

signalword

Danger

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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Global Trade Item Number

SKUGTIN
818242902504027269049768
818242010004022536431178
818242100004022536431185