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71498

Sigma-Aldrich

Sodium citrate monobasic

purum p.a., anhydrous, ≥99.0% (T)

Synonyme(s) :

Citric acid monosodium salt, Sodium dihydrogen citrate

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About This Item

Formule linéaire :
HOC(COONa)(CH2COOH)2
Numéro CAS:
Poids moléculaire :
214.11
Numéro Beilstein :
3920246
Numéro CE :
Numéro MDL:
Code UNSPSC :
12352100
ID de substance PubChem :
Nomenclature NACRES :
NA.22

Qualité

purum p.a.

Pureté

≥99.0% (T)

Forme

crystals

pH

3.5-3.8 (25 °C, 50 mg/mL in H2O)

Solubilité

water: soluble 50, clear, colorless

Traces d'anions

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

Traces de cations

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

Chaîne SMILES 

[Na+].OC(=O)CC(O)(CC([O-])=O)C(O)=O

InChI

1S/C6H8O7.Na/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);/q;+1/p-1

Clé InChI

HWPKGOGLCKPRLZ-UHFFFAOYSA-M

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Description générale

Sodium citrate monobasic (Sodium dihydrogen citrate) is the monosodium salt of citric acid. Isopiestic method has been proposed for the evaluation of vapor-liquid equilibrium parameters (water activity, vapor pressure, osmotic coefficient and activity coefficient) for the binary aqueous mixtures of sodium dihydrogen citrate. X-ray diffraction method has been reported to investigate the crystal structure of sodium dihydrogen citrate. Its crystals are monoclinic having space group of P21/a.
Sodium citrate monobasic is commonly used as a buffering agent in various applications.

Sodium citrate is a useful setting retardant for the improvement of the properties of brushite cement.

Application

Sodium citrate monobasic is suitable for use in the synthesis of 16 functional alkene-terminated hyperbranched oligomer, useful for the preparation of composite system for dental composite applications. It is suitable for use in the preparation of gastric solutions, to investigate the effects of cooking methods and of the co-ingestion of selected food items on Hg bioaccessibility in fish species.

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)


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

Sheng Ye et al.
Dental materials : official publication of the Academy of Dental Materials, 28(9), 1004-1011 (2012-06-22)
Fillers are widely utilized to enhance the mechanical properties of polymer resins. However, polymerization stress has the potential to increase due to the higher elastic modulus achieved upon filler addition. Here, we demonstrate a hyperbranched oligomer functionalized glass filler UV
The state of ionization of crystalline sodium dihydrogen citrate1
Glusker JP, et al.
Journal of the American Chemical Society, 82(11), 2964-2965 (1960)
Vapor- Liquid Equilibria, Density, and Speed of Sound of Aqueous Solutions of Sodium Dihydrogen Citrate or Disodium Hydrogen Citrate.
Sadeghi R, et al.
Journal of Chemical and Engineering Data, 55(12), 5874-5882 (2010)
J E Barralet et al.
Biomaterials, 25(11), 2197-2203 (2004-01-27)
Brushite-forming calcium phosphate cements are of great interest as bone replacement materials because they are resorbable in physiological conditions. However, their short setting times, low mechanical strengths and limited injectability limit broad clinical application. In this study, we showed that
Ousséni Ouédraogo et al.
Environmental research, 111(8), 1064-1069 (2011-10-22)
Fish consumption is the main source of human exposure to mercury. Studies from specific human populations have reported Hg levels lower than those modeled from consumption data. These discrepancies between expected and measured Hg levels may be explained by differences

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