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S4641

Sigma-Aldrich

Citrato de sodio tribásico dihydrate

ACS reagent, ≥99.0%

Sinónimos:

Citrato de trisodio dihydrate, Ácido cítrico trisodium salt dihydrate

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About This Item

Fórmula lineal:
HOC(COONa)(CH2COONa)2 · 2H2O
Número de CAS:
6132-04-3
Peso molecular:
294.10
Beilstein:
6104939
Número CE:
200-675-3
Número MDL:
MFCD00150031
Código UNSPSC:
12352100
ID de la sustancia en PubChem:
24899613
NACRES:
NA.21
Ensayo:
≥99.0%
grado:
ACS reagent
solubilidad:
water: soluble 29.4 g/L at 20 °C (completely)

grado

ACS reagent

Nivel de calidad

200

Agency

suitable for SM 4500 - NH3

Ensayo

≥99.0%

impurezas

≤0.003% Ammonia (NH3)
≤0.005% Insoluble matter

pH

7.0-9.0 (25 °C, 5% in solution)

mp

>300 °C (lit.)

solubilidad

water: soluble 29.4 g/L at 20 °C (completely)

trazas de anión

chloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.005%

trazas de catión

Ca: ≤0.005%
Fe: ≤5 ppm
heavy metals: ≤5 ppm (by ICP-OES)

cadena SMILES

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

Clave InChI

NLJMYIDDQXHKNR-UHFFFAOYSA-K

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Aplicación

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].

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
0000425959
0000425959
0000426008
0000426041
0000426041

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