247537
Oxalic acid dihydrate
ACS reagent grade, ≥99%, 99.5-102.5% (ACS specification), solid
Synonym(s):
Ethanedioic acid dihydrate
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About This Item
Product Name
Oxalic acid dihydrate, ACS reagent, ≥99%
InChI key
GEVPUGOOGXGPIO-UHFFFAOYSA-N
InChI
1S/C2H2O4.2H2O/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);2*1H2
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%, 99.5-102.5% (ACS specification)
form
solid
impurities
H2SO4, passes test (darkened), ≤0.001% N compounds, ≤0.005% insolubles
ign. residue
≤0.01%
Quality Level
pH
1.5 (10 g/L)
mp
104-106 °C (lit.)
solubility
water: 100 g/L at 25 °C
anion traces
chloride (Cl-): ≤0.002%, sulfate (SO42-): ≤0.005%
cation traces
Ca: ≤0.001%, Fe: ≤2 ppm, heavy metals: ≤5 ppm (by ICP-OES)
functional group
carboxylic acid
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General description
Application
- As a catalyst in the preparation of tetrahydroquinoline derivatives via imino Diels-Alder reaction.
- As a homogeneous catalyst in the preparation of highly functionalized piperidines via multi-component reaction.
- As an oxidant for the formation of triazolinediones from corresponding urazoles and bisurazoles via oxidation.
- In the transformation of thiols to nitrosothiols by reacting with sodium nitrite.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1
Storage Class
11 - Combustible Solids
wgk
WGK 1
ppe
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
Substances Subject to be Indicated Names
ishl_indicated
Substances Subject to be Notified Names
ishl_notified
247537-2.5KG:4548173124209 + 247537-VAR: + 247537-5G:4548173252193 + 247537-4X2.5KG:4548173252186 + 247537-BULK: + 247537-100G:4548173124193 + 247537-500G:4548173124216
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