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71635

Sodium citrate dibasic sesquihydrate

≥99.0% (T), crystals, purum. p.a.

Synonym(s):

Citric acid disodium salt, Disodium hydrogen citrate sesquihydrate

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About This Item

Linear Formula:
HOC(COOH)(CH2COONa)2 · 1.5H2O
CAS Number:
6132-05-4
Molecular Weight:
263.11
MDL number:
MFCD00674116
UNSPSC Code:
12352100
PubChem Substance ID:
57652327
NACRES:
NA.21
EC Number:
205-623-3
Beilstein/REAXYS Number:
3770069
Assay:
≥99.0% (T)
Form:
crystals
Solubility:
water: soluble 263.1 g/L
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Product Name

Sodium citrate dibasic sesquihydrate, purum p.a., ≥99.0% (T)

grade

purum p.a.

Quality Segment

assay

≥99.0% (T)

form

crystals

pH

4.6-5.2 (25 °C, 50 mg/mL in H2O)

solubility

water: soluble 263.1 g/L

anion traces

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

cation traces

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

functional group

carboxylic acid

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

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

InChI key

XNZQCYSOYHAYII-UHFFFAOYSA-L

General description

Sodium citrate dibasic sesquihydrate is a colorless crystalline sodium salt.

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.

Storage Class

13 - Non Combustible Solids

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Gloves, type N95 (US)

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