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S4641

Sigma-Aldrich

Citrate de sodium tribasique dihydrate

ACS reagent, ≥99.0%

Synonyme(s) :

Acide citrique trisodium salt dihydrate, Citrate trisodique dihydrate

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About This Item

Formule linéaire :
HOC(COONa)(CH2COONa)2 · 2H2O
Numéro CAS:
6132-04-3
Poids moléculaire :
294.10
Numéro Beilstein :
6104939
Numéro CE :
200-675-3
Numéro MDL:
MFCD00150031
Code UNSPSC :
12352100
ID de substance PubChem :
24899613
Nomenclature NACRES :
NA.21

Qualité

ACS reagent

Niveau de qualité

200

Agence

suitable for SM 4500 - NH3

Pureté

≥99.0%

Impuretés

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

pH

7.0-9.0 (25 °C, 5% in solution)

Pf

>300 °C (lit.)

Solubilité

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

Traces d'anions

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

Traces de cations

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

Chaîne 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

Clé InChI

NLJMYIDDQXHKNR-UHFFFAOYSA-K

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Catégories apparentées

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].

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

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Certificats d'analyse (COA)

Lot/Batch Number
WXBD6798V
SLCM2219
SLCL9668
BCCG8686
SLCK8878

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

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Hyungbin Kim et al.
Polymers, 11(4) (2019-04-19)
Complex coacervation is an emerging liquid/liquid phase separation (LLPS) phenomenon that behaves as a membrane-less organelle in living cells. Yet while one of the critical factors for complex coacervation is temperature, little analysis and research has been devoted to the
Pedram Madadkar et al.
Membranes, 9(11) (2019-11-02)
The use of conventional membrane adsorbers such as radial flow devices is largely restricted to flow-through applications, such as virus and endotoxin removal, as they fail to give acceptable resolution in bind-and-elute separations. Laterally-fed membrane chromatography or LFMC devices have
Xian Zhang et al.
Biochimica et biophysica acta. Molecular basis of disease, 1865(6), 1690-1700 (2019-04-13)
Mast cell (MC) deficiency in KitW-sh/W-sh mice and inhibition with disodium chromoglycate (DSCG) or ketotifen reduced obesity and diabetes in mice on a high-cholesterol (1.25%) Western diet. Yet, Kit-independent MC-deficient mice and mice treated with DSCG disproved MC function in
Wei Yu et al.
Nature communications, 11(1), 5239-5239 (2020-10-18)
The alternative non-homologous end-joining (NHEJ) pathway promotes DNA double-strand break (DSB) repair in cells deficient for NHEJ or homologous recombination, suggesting that it operates at all stages of the cell cycle. Here, we use an approach in which DNA breaks
Georgia Wilke et al.
Cell host & microbe, 26(1), 123-134 (2019-06-25)
Despite being a frequent cause of severe diarrheal disease in infants and an opportunistic infection in immunocompromised patients, Cryptosporidium research has lagged due to a lack of facile experimental methods. Here, we describe a platform for complete life cycle development and
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