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Merck
CN

72080

Neocuproine hemihydrate

for spectrophotometric det. of Cu, ≥99.0%

Synonym(s):

2,9-Dimethyl-1,10-phenanthroline

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About This Item

Empirical Formula (Hill Notation):
C14H12N2 · 0.5H2O
CAS Number:
34302-69-7
Molecular Weight:
217.27
UNSPSC Code:
41121813
NACRES:
NA.21
PubChem Substance ID:
329763751
EC Number:
207-601-9
Beilstein/REAXYS Number:
153179
MDL number:
MFCD00149306

Key Documents

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InChI key

MFZBSWSCIWCRKS-UHFFFAOYSA-N

InChI

1S/C14H12N2.H2O/c1-9-3-5-11-7-8-12-6-4-10(2)16-14(12)13(11)15-9;/h3-8H,1-2H3;1H2

SMILES string

O.Cc1ccc2ccc3ccc(C)nc3c2n1

assay

≥99.0% (NT), ≥99.0%

form

powder

quality

for spectrophotometric det. of Cu

technique(s)

UV/Vis spectroscopy: suitable

mp

159-164 °C

solubility

methanol: 0.1 g/mL, clear

Quality Level

100

Application

Neocuproine hemihydrate may be used as an analytical reagent for the determination of copper in water-ethanol solution using thermal-lens spectrometry and captopril in pure form and pharmaceutical formulations via complex formation followed by a series of reactions using spectrophotometric technique.

Other Notes

Reagent for the spectrophotometric determination of copper

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000005057
0000005069
BGBC4779V
BCBQ6840V

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E.R. Larsen
Analytical Chemistry, 46, 1131-1131 (1974)
B.G. Stephans et al.
Analytical Chemistry, 46, 693-693 (1974)
Determination of copper with neocuproine by thermal-lens spectrometry
Chernysh.VV, et al.
Journal of Analytical Chemistry, 55(4), 338-343 (2000)
Copper (II)-neocuproine reagent for spectrophotometric determination of captopril in pure form and pharmaceutical formulations
Gouda.AA and Amin.SA
Arabian Journal of Chemistry, 3(3), 159-165 (2010)

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