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75699 Sigma

Oxalic acid dihydrate

BioUltra, ≥99.5% (RT)

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

  •  PubChem Substance ID 57652582

  •  eCl@ss 39021701

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Properties

Related Categories Alphabetical, BioUltra Buffers, Biochemicals and Reagents, Biological Buffers
vapor density   4.4 (vs air)
vapor pressure   <0.01 mmHg ( 20 °C)
InChI Key   GEVPUGOOGXGPIO-UHFFFAOYSA-N
product line   BioUltra
assay   ≥99.5% (RT)
impurities   insoluble matter, passes filter test
  ≤0.001% total nitrogen (N)
ign. residue (900 °C)   ≤0.01% (as SO4)
pH   ~1.0 (25 °C, 1 M in H2O)
mp   104-106 °C(lit.)
solubility   H2O: soluble1 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤5 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤5 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤2 mg/kg
  K: ≤50 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
absorption   absorption1M/303 nm, H2O cut-off

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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

Articles

MSMLS Online Plate Map

Metabolite descriptors included with the software download upon purchase of the product include: Name, Parent CID, molecular formula, molecular weight, CAS, ChEBI, HMDB ID, PubChem Compound and Subst...
Keywords: Mass spectrometry, Metabolites

Related Content

BioUltra Biological Buffers

A buffer, as defined by Van Slyke [1], is "a substance which by its presence in solution increases the amount of acid or alkali that must be added to cause unit change in pH". Buffers are thus very i...
Keywords: Absorption, Adsorption, Biochemistry, Biological Buffers, Biological processes, Buffers, PAGE

Peer-Reviewed Papers
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