Synonym:
Citric acid disodium salt,
Disodium hydrogen citrate sesquihydrate
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CAS Number 6132-05-4
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Linear Formula HOC(COOH)(CH2COONa)2 · 1.5H2O
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Molecular Weight 263.11
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Beilstein Registry Number 3770069
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EC Number 205-623-3
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PubChem Substance ID 57652327
Properties:
| Related Categories |
Analytical/Chromatography,
Essential Chemicals,
QuEChERS Bulk Adsorbents and Salts,
Research Essentials,
Salts,
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grade
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purum p.a.
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assay
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≥99.0% (T)
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pH
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4.6-5.2 (25 °C, 50 mg/mL in H2O)
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solubility
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water: soluble 263.1 g/L
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anion traces
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chloride (Cl-): ≤50 mg/kg
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sulfate (SO42-): ≤50 mg/kg
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cation traces
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Ca: ≤50 mg/kg
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Cd: ≤50 mg/kg
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Co: ≤50 mg/kg
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Cu: ≤50 mg/kg
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Fe: ≤50 mg/kg
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K: ≤100 mg/kg
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Ni: ≤50 mg/kg
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Pb: ≤50 mg/kg
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Zn: ≤50 mg/kg
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Description:
Packaging
1 kg in poly bottle
250 g in poly bottle
Application
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.
General description
Sodium citrate dibasic sesquihydrate is a colorless crystalline sodium salt.
Safety:
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RIDADR
NONH for all modes of transport