S4641
Sodium citrate tribasic dihydrate
ACS reagent grade, ≥99.0%
Synonym(s):
Citric acid trisodium salt dihydrate, Trisodium citrate dihydrate
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About This Item
Product Name
Sodium citrate tribasic dihydrate, ACS reagent, ≥99.0%
grade
ACS reagent
Quality Level
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%
cation traces
Ca: ≤0.005%, Fe: ≤5 ppm, heavy metals: ≤5 ppm (by ICP-OES)
SMILES string
O.O.[Na+].[Na+].[Na+].OC(CC([O-])=O)(CC([O-])=O)C([O-])=O
InChI
1S/C6H8O7.3Na.2H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;2*1H2/q;3*+1;;/p-3
InChI key
NLJMYIDDQXHKNR-UHFFFAOYSA-K
Application
- 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].
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Storage Class
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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