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Merck
CN

398071

Sigma-Aldrich

Sodium citrate tribasic dihydrate

≥99.0%, ACS reagent

Synonym(s):

Citric acid trisodium salt dihydrate, Trisodium citrate dihydrate

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About This Item

Linear Formula:
HOC(COONa)(CH2COONa)2 · 2H2O
CAS Number:
6132-04-3
Molecular Weight:
294.10
Beilstein:
6104939
EC Number:
200-675-3
MDL number:
MFCD00150031
UNSPSC Code:
12352103

Key Documents

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grade

ACS reagent

Assay

≥99.0%

impurities

≤0.003% NH3
≤0.005% insolubles

pH

7.0-9.0

mp

>300 °C (lit.)

anion traces

chloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.005%

cation traces

Ca: ≤0.005%
Fe: ≤5 ppm
heavy metals: ≤5 ppm

SMILES string

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

InChI

1S/C6H8O7.3Na.2H2O/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);;;;2*1H2/q;3*+1;;/p-3

InChI key

NLJMYIDDQXHKNR-UHFFFAOYSA-K

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Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
20712HO
17125PA
16504EI
13727HA
06316LR

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Shmulik Schwartz et al.
Journal of biophotonics, 8(11-12), 944-951 (2015-03-11)
Nanocomposites as multifunctional agents are capable of combing imaging and cell biology technologies. The conventional methods used for validation of the conjugation process of nanoparticles (NPs) to fluorescent molecules such as spectroscopy analysis and surface potential measurements, are not sufficient.
Tali Ilovitsh et al.
Scientific reports, 5, 10965-10965 (2015-05-29)
In this paper we present a technique aimed for simultaneous detection of multiple types of gold nanoparticles (GNPs) within a biological sample, using lock-in detection. We image the sample using a number of modulated laser beams that correspond to the

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