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71635

Sigma-Aldrich

Sodium citrate dibasic sesquihydrate

purum p.a., ≥99.0% (T)

Sinonimo/i:

Citric acid disodium salt, Disodium hydrogen citrate sesquihydrate

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About This Item

Formula condensata:
HOC(COOH)(CH2COONa)2 · 1.5H2O
Numero CAS:
Peso molecolare:
263.11
Beilstein:
3770069
Numero CE:
Codice UNSPSC:
12352100
ID PubChem:

Grado

purum p.a.

Livello qualitativo

Saggio

≥99.0% (T)

Forma fisica

crystals

pH

4.6-5.2 (25 °C, 50 mg/mL in H2O)

Solubilità

water: soluble 263.1 g/L

Anioni in tracce

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

Cationi in tracce

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

Stringa SMILE

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

InChI

1S/C6H8O7.2Na.H2O/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);;;1H2/q;2*+1;/p-2
XNZQCYSOYHAYII-UHFFFAOYSA-L

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Descrizione generale

Sodium citrate dibasic sesquihydrate is a colorless crystalline sodium salt.

Applicazioni

Sodium citrate dibasic sesquihydrate may be employed in the following studies:
  • In the Supel Que Citrate (EN) tubes for the quantification of pesticides in blackcurrants by triple quadrupole GC-QqQ-MS/MS [Gas chromatography coupled to tandem mass spectrometry (GC-MS/MS) coupled with triple quadrupole (QqQ) analyzer] method.
  • Dispersive solid phase extraction (dSPE) method, commonly referred as QuEChERS.2
  • Preparation of RNA precipitation solution.

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)


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