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72080

Supelco

Neocuproine hemihydrate

for spectrophotometric det. of Cu, ≥99.0%

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Synonym(s):
2,9-Dimethyl-1,10-phenanthroline
Empirical Formula (Hill Notation):
C14H12N2 · 0.5H2O
CAS Number:
34302-69-7
Molecular Weight:
217.27
Beilstein:
153179
EC Number:
207-601-9
MDL number:
MFCD00149306
UNSPSC Code:
12000000
PubChem Substance ID:
329763751
NACRES:
NA.21

Quality Level

100

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

SMILES string

O.Cc1ccc2ccc3ccc(C)nc3c2n1

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

InChI key

MFZBSWSCIWCRKS-UHFFFAOYSA-N

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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

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Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302,H315,H318,H335

Hazard Classifications

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

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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E.R. Larsen
Analytical Chemistry, 46, 1131-1131 (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)
B.G. Stephans et al.
Analytical Chemistry, 46, 693-693 (1974)

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