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25114

Sigma-Aldrich

Sodium citrate tribasic hydrate

ReagentPlus®, ≥99%

Synonym(s):

Citric acid trisodium salt, Trisodium citrate hydrate

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About This Item

Linear Formula:
HOC(COONa)(CH2COONa)2 · aq
CAS Number:
6858-44-2
Molecular Weight:
258.07 (anhydrous basis)
Beilstein/REAXYS Number:
3819251
EC Number:
200-675-3
MDL number:
MFCD00150032
UNSPSC Code:
12352100
PubChem Substance ID:
57648114
NACRES:
NA.21

Quality Level

200

product line

ReagentPlus®

assay

≥99%

form

solid

impurities

≤0.001% heavy metals (as Pb)
≤0.04% free alkali (as NaOH)
≤0.06% free acid (as C6H8O7)

anion traces

chloride (Cl-): ≤20 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

As: ≤2 mg/kg
Fe: ≤10 mg/kg

SMILES string

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

InChI

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

InChI key

PKIDNTKRVKSLDB-UHFFFAOYSA-K

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Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL4542
BCCK5230
BCCG8054
BCCF6733
BCCD1607

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Journal of Nanoparticle Research, 15(8), 137-144 (2013)
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