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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.

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



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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