Description
ACS reagent, ≥99.0%
Synonyms: Citric acid trisodium salt dihydrate, Trisodium citrate dihydrate
Linear Formula: HOC(COONa)(CH2COONa)2 · 2H2O
Molecular Weight: 294.10
Application
Sodium citrate tribasic dihydrate can be used as a catalyst to synthesize:
- Fused O– and N-heterocyclic derivatives via multicomponent Knoevenagel-cyclocondensation of isatin/aldehyde/ acenaphthylene-1,2-dione, malononitrile, and various C−H activated acids.
- Chromeno[3′,4′:5,6]pyrano[2,3-d]pyrimidines by the condensation reaction of 4-hydroxycoumarin, aromatic aldehydes, and barbituric acid/thiobarbituric acid.
It can also be used as:
A reducing agent to synthesize metal nanoparticles via sol-gel method using corresponding metal salt precursors.
A controlling agent in the synthesis of single-crystal of coordination polymer [Co(H2O)2Ni(CN)4 4H2O].
Properties
Product Name
Sodium citrate tribasic dihydrate, ACS reagent, ≥99.0%
grade
ACS reagent
Pack Size
500g
agency
suitable for SM 4500 – NH3
assay
≥99.0%
impurities
≤0.003% Ammonia (NH3), ≤0.005% Insoluble matter
pH
7.0-9.0 (25 °C, 5% in solution)
mp
>300 °C (lit.)
solubility
water: soluble 29.4 g/L at 20 °C (completely)
anion traces
chloride (Cl–): ≤0.003%, sulfate (SO42-): ≤0.005%
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