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71405 Sigma-Aldrich

Sodium citrate tribasic dihydrate

puriss. p.a., ACS reagent, ≥99.0% (NT)

Synonym: Citric acid trisodium salt dihydrate, Trisodium citrate dihydrate

  • CAS Number 6132-04-3

  • Linear Formula HOC(COONa)(CH2COONa)2 · 2H2O

  • Molecular Weight 294.10

  •  Beilstein Registry Number 6104939

  •  EC Number 200-675-3

  •  MDL number MFCD00150031

  •  PubChem Substance ID 329763245

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Biochemicals and Reagents, Chelators,
grade   ACS reagent
InChI Key   NLJMYIDDQXHKNR-UHFFFAOYSA-K
grade   puriss. p.a.
assay   ≥99.0% (NT)
impurities   11-13% water (KFT)
pH   7.0-9.0 (25 °C, 50 mg/mL in H2O)
mp   >300 °C(lit.)
solubility   water: soluble29.4  g/L at 20 °C
anion traces   chloride (Cl-): ≤10 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Ca: ≤50 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤100 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  NH4+: ≤10 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg
  heavy metals: ≤5 ppm (by ICP-OES)

Description

General description

Sodium citrate tribasic dihydrate is the tribasic dihydrate sodium salt of citric acid.

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Laboratory Gloves
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
Protocols & Articles
Peer-Reviewed Papers
15

References

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