Merck
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C3674

Sigma-Aldrich

Citric acid trisodium salt

anhydrous, ≥98% (GC)

Linear Formula:
C6H5O7Na3
CAS Number:
Molecular Weight:
258.07
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Quality Level

grade

anhydrous

assay

≥98% (GC)

form

powder

solubility

water: 50 mg/mL, clear, colorless

SMILES string

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

InChI

1S/C6H8O7.3Na/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);;;/q;3*+1/p-3

InChI key

HRXKRNGNAMMEHJ-UHFFFAOYSA-K

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General description

Citric acid trisodium salt corresponds to a molecular weight of 258 Da. It has high sodium content and sieving coefficients.

Application

Citric acid trisodium salt has been used:
  • as a component of mobile phase buffer in high performance liquid chromatography analysis of dorsal striatum homogenates(124)
  • as an electrolyte for NiW co-deposition(125)
  • as a component of saline-sodium citrate (SSC) buffer for wash steps in probe hybridization(126)

Packaging

1 kg in poly bottle
100, 500 g in poly bottle

Biochem/physiol Actions

Citric acid trisodium salt as a 4% solution is used commercially as an anticoagulant during blood storage. It is used in continuous renal replacement therapy (CRRT) as an regional citrate anticoagulation (RCA) agent. Citric acid trisodium salt is used as an electrostatic stabilizer for the generation of iron (II, III) oxide hollow microspheres nanoparticle.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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