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75688 Sigma-Aldrich

Oxalic acid

puriss. p.a., anhydrous, ≥99.0% (RT)

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Properties

Related Categories Acids, Acids & Bases, Agave sisalana, Allium cepa (Onion), Allium sativum (Garlic),
vapor density   4.4 (vs air)
vapor pressure   <0.01 mmHg ( 20 °C)
grade   puriss. p.a.
assay   ≥99.0% (RT)
impurities   ≤0.001% total nitrogen (N)
  ≤1% water
ign. residue   ≤0.01% (as SO4)
mp   189.5 °C (dec.)(lit.)
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg
Gene Information   human ... SRC(6714)

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Suggested Laboratory Gloves


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Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
UN 3261 8/PG 3
WGK Germany 
1
RTECS 
RO2450000
Protocols & Articles

Articles

Determination of Water Content in Oxalic Acid, anhydrous Using Karl Fischer Titration

The determination of water in carboxylic acids is usually straightforward provided the substances are soluble. Strong acids must be neutralized. Acetic acid and related compounds have a tendency to u...
Keywords: Esterifications, Titrations

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Peer-Reviewed Papers
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