Substance
ID:351951
Names and Identifiers
IUPAC Traditional name
oxalic acid dihydrate
IUPAC name
oxalic acid dihydrate
Synonyms
乙二酸Oxalic acid dihydrate草酸 二水合物Ethanedioic acid
Registration numbers
CAS Number
EC Number
Beilstein Number
MDL Number
PubChem SID
Properties
Product Information
abs.
absorption1M/303 nm, H2O cut-off
Antion Traces
chloride (Cl-): ≤5 mg/kg
sulfate (SO42-): ≤50 mg/kg
Cation Traces
Bi: ≤5 mg/kg
Li: ≤5 mg/kg
Mn: ≤5 mg/kg
Ba: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Zn: ≤5 mg/kg
Al: ≤5 mg/kg
Mg: ≤5 mg/kg
Mo: ≤5 mg/kg
Ca: ≤5 mg/kg
K: ≤50 mg/kg
Pb: ≤5 mg/kg
As: ≤0.1 mg/kg
Cd: ≤5 mg/kg
Fe: ≤2 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Cu: ≤5 mg/kg
Sr: ≤5 mg/kg
Impurities
insoluble matter, passes filter test
≤0.001% total nitrogen (N)
Product Line
BioUltra
Purity
≥99.5% (RT)
Linear Formula
HO2CCO2H · 2H2O
Safety Information
Risk Statements
21/22
GHS Signal Word
Warning
GHS Hazard statements
H302-H312
MSDS Link
Safety Statements
24/25
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements
P280
Hazard Class
8
UN Number
3261
Packing Group
3
German water hazard class
1
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
European Hazard Symbols
Harmful (Xn)RID/ADR
UN 3261 8/PG 3
Physical Property
Solubility
H2O: soluble1 M at 20 °C, clear, colorless
Vapor Density
4.4 (vs air)
Vapor Pressure
<0.01 mmHg ( 20 °C)
Melting Point
104-106 °C(lit.)
pH
~1.0 (25 °C, 1 M in H2O)
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
No Data Available
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