Merck
  • 71635
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71635

Sigma-Aldrich

Sodium citrate dibasic sesquihydrate

purum p.a., ≥99.0% (T)

Synonym(s):
Citric acid disodium salt, Disodium hydrogen citrate sesquihydrate
Linear Formula:
HOC(COOH)(CH2COONa)2 · 1.5H2O
CAS Number:
Molecular Weight:
263.11
Beilstein:
3770069
Número de EC:
ID de la sustancia en PubChem:

grado

purum p.a.

Nivel de calidad

ensayo

≥99.0% (T)

formulario

crystals

pH

4.6-5.2 (25 °C, 50 mg/mL in H2O)

solubilidad

water: soluble 263.1 g/L

trazas de anión

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

trazas de catión

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

SMILES string

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

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This Item
C7254C8532S4641
grade

purum p.a.

grade

-

grade

-

grade

-

assay

≥99.0% (T)

assay

≥98%

assay

≥99%

assay

≥99.0%

form

crystals

form

powder

form

powder

form

-

pH

4.6-5.2 (25 °C, 50 mg/mL in H2O)

pH

7.5-9 (25 °C, 29.4 g/L)

pH

7.5-9 (25 °C, 29.4 g/L)

pH

7.0-9.0 (25 °C, 5% in solution)

solubility

water: soluble 263.1 g/L

solubility

water: soluble 100 mg/mL

solubility

water: soluble 100 mg/mL

solubility

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

anion traces

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

anion traces

-

anion traces

-

anion traces

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

Descripción general

Sodium citrate dibasic sesquihydrate is a colorless crystalline sodium salt.

Aplicación

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.

Código de clase de almacenamiento

13 - Non Combustible Solids

WGK

WGK 1

Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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