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71635

Sigma-Aldrich

Sodium citrate dibasic sesquihydrate

purum p.a., ≥99.0% (T)

Sinônimo(s):

Citric acid disodium salt, Disodium hydrogen citrate sesquihydrate

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About This Item

Fórmula linear:
HOC(COOH)(CH2COONa)2 · 1.5H2O
Número CAS:
Peso molecular:
263.11
Beilstein:
3770069
Número CE:
Código UNSPSC:
12352100
ID de substância PubChem:
NACRES:
NA.21

grau

purum p.a.

Nível de qualidade

Ensaio

≥99.0% (T)

forma

crystals

pH

4.6-5.2 (25 °C, 50 mg/mL in H2O)

solubilidade

water: soluble 263.1 g/L

traços de ânion

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

traços de cátion

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

grupo funcional

carboxylic acid

cadeia de caracteres SMILES

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

chave InChI

XNZQCYSOYHAYII-UHFFFAOYSA-L

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Descrição geral

Sodium citrate dibasic sesquihydrate is a colorless crystalline sodium salt.

Aplicação

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 classe de armazenamento

13 - Non Combustible Solids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)


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