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Sodium citrate tribasic dihydrate

SIAL/S4641 - ACS reagent, ≥99.0%

Synonym: Citric acid trisodium salt dihydrate; Trisodium citrate dihydrate

CAS Number: 6132-04-3
Empirical Formula (Hill Notation): C6H5Na3O7 · 2H2O
Molecular Weight: 294.10
EC Number: 200-675-3
MDL Number: MFCD00150031
Linear Formula: HOC(COONa)(CH2COONa)2 · 2H2O
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-S4641-25G 25 g
 $35.40
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45-S4641-500G 500 g
 $51.10
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45-S4641-1KG 1 kg
 $72.50
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45-S4641-5KG 5 kg
 $265.00
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: S4641-25G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: S4641-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: S4641-1KG
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: S4641-5KG

 

agency suitable for SM 4500 - NH3
anion traces chloride (Cl-): ≤0.003%
  sulfate (SO42-): ≤0.005%
assay ≥99.0%
cation traces Ca: ≤0.005%
  Fe: ≤5 ppm
  heavy metals: ≤5 ppm (by ICP-OES)
grade ACS reagent
impurities ≤0.003% Ammonia (NH3)
  ≤0.005% Insoluble matter
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
mp >300 °C (lit.)
pH 7.0-9.0 (25 °C, 5% in solution)
Quality Level 200 
SMILES string O.O.[Na+].[Na+].[Na+].OC(CC([O-])=O)(CC([O-])=O)C([O-])=O
solubility water: soluble 29.4 g/L at 20 °C (completely)
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].
Packaging: 1, 6×1 kg in poly bottle
Packaging: 25, 500 g in poly bottle
Packaging: 5 kg in poly drum
RIDADR NONH for all modes of transport
WGK Germany WGK 1
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity ≥99.0%
mp >300 °C (lit.)
UNSPSC 12352100

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