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27725 Sigma-Aldrich

Oxalic acid dihydrate

puriss., ≥99%

Synonym: Ethanedioic acid dihydrate

  • CAS Number 6153-56-6

  • Linear Formula HO2CCO2H · 2H2O

  • Molecular Weight 126.07

  •  Beilstein Registry Number 3679436

  •  EC Number 205-634-3

  •  MDL number MFCD00149102

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Properties

Related Categories Acids, Acids & Bases, Building Blocks, C1 to C5, Carbonyl Compounds,
vapor density   4.4 (vs air)
vapor pressure   <0.01 mmHg ( 20 °C)
InChI Key   GEVPUGOOGXGPIO-UHFFFAOYSA-N
grade   puriss.
assay   ≥99%
impurities   ≤0.001% heavy metals (as Pb)
ign. residue   ≤0.05% (as SO4)
mp   104-106 °C(lit.)
anion traces   chloride (Cl-): ≤20 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Ca: ≤50 mg/kg
  Fe: ≤10 mg/kg

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Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
Protocols & Articles

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