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Oxalic acid dihydrate

Catalog No. 75699 Name Sigma Aldrich
CAS Number 6153-56-6 Website http://www.sigmaaldrich.com
M. F. C2H6O6 Telephone 1-800-521-8956
M. W. 126.06544 Fax
Purity ≥99.5% (RT) Email
Storage Chembase ID: 103658

SYNONYMS

Title
草酸 二水合物
IUPAC name
oxalic acid dihydrate
IUPAC Traditional name
oxalic acid dihydrate
Synonyms
Ethanedioic acid
乙二酸

DATABASE IDS

Beilstein Number 3679436
PubChem SID 24886865
CAS Number 6153-56-6
MDL Number MFCD00149102
EC Number 205-634-3

PROPERTIES

abs. absorption1M/303 nm, H2O cut-off
Antion Traces chloride (Cl-): ≤5 mg/kg
Antion Traces sulfate (SO42-): ≤50 mg/kg
Cation Traces Al: ≤5 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤5 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤2 mg/kg
Cation Traces K: ≤50 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces Na: ≤50 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Impurities insoluble matter, passes filter test
Impurities ≤0.001% total nitrogen (N)
Linear Formula HO2CCO2H · 2H2O
Product Line BioUltra
Purity ≥99.5% (RT)
Melting Point 104-106 °C(lit.)
pH ~1.0 (25 °C, 1 M in H2O)
Solubility H2O: soluble1 M at 20 °C, clear, colorless
Vapor Density 4.4 (vs air)
Vapor Pressure <0.01 mmHg ( 20 °C)
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H302-H312
European Hazard Symbols Harmful Harmful (Xn)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P280
RID/ADR UN 3261 8/PG 3
Risk Statements 21/22
Safety Statements 24/25
Hazard Class 8
UN Number 3261
Packing Group 3
German water hazard class 1

DETAILS

REFERENCES