DL- Ammonium oxalate monohydrate extra pure
Synonym: Oxalic acid diammonium salt
CAS Number: 6009-70-7
Linear Formula: (NH4)2C2O4 · H2O
Molecular Weight: 142.11
Beilstein Registry Number: 3759830
EC Number: 238-135-4
MDL number: MFCD00149694
PubChem Substance ID: 24846490

Description

Other Notes Complexes with Cu, thus inhibits spinach chloroplast phenolase1

 

Properties

product line BioUltra
assay ≥99.5% (RT)
total impurities insoluble matter, passes filter test
loss ≤0.02% loss on ignition
pH 6.0-7.0 (25 °C, 0.1 M in H2O)
mp 133 °C (dec.)(lit.)
solubility H2O: soluble0.1 M at 20 °C, clear, colorless
anion traces chloride (Cl): ≤5 mg/kg
  sulfate (SO42-): ≤20 mg/kg
cation traces Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 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: ≤10 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
abs. absorption0.1M/267 nm, H2O cut-off

 

Safety

Symbol GHS07
Signal word Warning
Hazard statements H302-H312
Precautionary statements P280
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes Xn
Risk Statements 21/22
Safety Statements 24/25
RIDADR UN 1759 8/PG 3
WGK Germany 1