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Merck
CN

71404

Sodium citrate tribasic dihydrate

BioUltra, ≥99.0% (NT)

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:
Molecular Weight:
294.10
EC Number:
200-675-3
UNSPSC Code:
12352200
PubChem Substance ID:
Beilstein/REAXYS Number:
6104939
MDL number:
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product line

BioUltra

assay

≥99.0% (NT)

impurities

insoluble matter, passes filter test, 11-13% water (KFT)

pH

7.5-9.0 (25 °C, 0.1 M in H2O)

mp

>300 °C (lit.)

solubility

H2O: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤10 mg/kg, sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤100 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, NH4+: ≤10 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

λ

0.1 M in H2O

UV absorption

λ: 260 nm Amax: ≤0.010, λ: 280 nm Amax: ≤0.010

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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Other Notes

Substrate for citrate lyase (EC 4.1.3.6); Anticoagulant

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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A. Babb
Artificial Organs, 3, 470-470 (1979)
Substrate for citrate lyase (EC 4.1.3.6).
H.U. Bergmeyer, ed.
Methods of Enzymatic Analysis, 2, 173-173 (1983)
D M Ramsay et al.
Journal of clinical pathology, 30(8), 766-769 (1977-08-01)
The value of different anticoagulants as preservatives of specimens for prothrombin time ratios is evaluated and discussed. An increase in the ratio was demonstrated with all anti-coagulants after 24 hours and this was significant when coagulometer error was taken into
Ningning He et al.
Molecular cancer therapeutics, 13(10), 2463-2473 (2014-08-15)
The recent proliferation of data on large collections of well-characterized cancer cell lines linked to therapeutic drug responses has made it possible to identify lineage- and mutation-specific transcriptional markers that can help optimize implementation of anticancer agents. Here, we leverage
Héctor Rodríguez-Rodríguez et al.
Small (Weinheim an der Bergstrasse, Germany), 11(13), 1555-1561 (2014-12-03)
3D remote control of multifunctional fluorescent up-converting nanoparticles (UCNPs) using optical forces is being required for a great variety of applications including single-particle spectroscopy, single-particle intracellular sensing, controlled and selective light-activated drug delivery and light control at the nanoscale. Most

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