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N-(1-Naphthyl)ethylenediamine dihydrochloride

for determination of sulfonamide and nitrite, ACS reagent, ≥98%

Synonym(s):

2-(1-Naphthylamino)ethylamine dihydrochloride

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About This Item

Linear Formula:
C10H7NHCH2CH2NH2 · 2HCl
CAS Number:
1465-25-4
Molecular Weight:
259.17
Beilstein:
3707471
EC Number:
215-981-2
MDL number:
MFCD00012556
UNSPSC Code:
41116105
PubChem Substance ID:
329754555
NACRES:
NA.21

grade

ACS reagent
for determination of sulfonamide and nitrite

Quality Level

200

Assay

≥98% (calc with ref. to anhyd. subst.)
≥98%

form

powder

technique(s)

UV/Vis spectroscopy: suitable

impurities

≤5% water (Karl Fischer)

mp

194-198 °C (dec.) (lit.)

suitability

complies for identity

SMILES string

Cl.Cl.NCCNc1cccc2ccccc12

InChI

1S/C12H14N2.2ClH/c13-8-9-14-12-7-3-5-10-4-1-2-6-11(10)12;;/h1-7,14H,8-9,13H2;2*1H

InChI key

MZNYWPRCVDMOJG-UHFFFAOYSA-N

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Application

N-(1-Naphthyl)ethylenediamine dihydrochloride dissolved in sulfuric acid-methanol may be used as a reagent for the determination of sugar on thin layer plates. It may also be used for the determination of sub-micromolar concentrations of nitrite ion after diazotisation with sulphanilic acid at low pH, by differential-pulse polarography. It may also be used as the coupling agent for the spectrophotometric determination of aniline by the diazotization-coupling method.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM4379
BCCL6973
BCCL1166
BCCM3100
BCCJ9837

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N-(1-Naphthyl) ethylenediamine dihydrochloride as a new reagent for nanomole quantification of sugars on thin-layer plates by a mathematical calibration process.
Bounias M.
Analytical Chemistry, 106 (2), 291-295 (1980)
Determination of nitrite ion by differential-pulse polarography using N-(1-naphthyl) ethylenediamine.
Sabharwal S.
Analyst, 115 (10), 1305-1307 (1990)
Spectrophotometric determination of aniline by the diazotization-coupling method with N-(1-naphthyl) ethylenediamine as the coupling agent.
Norwitz G and Keliher PN.
Analytical Chemistry, 53 (8), 1238-1240 (1981)
C E Davis et al.
Journal - Association of Official Analytical Chemists, 68(3), 485-488 (1985-05-01)
Current methods used for determining residual nitrite concentration in foods involve forming an azo dye that is measured spectrophotometrically. Conventional procedures do not specify control of pH for the final colored solution. Because many indicator dyes are pH-dependent, absorbance of
P K Laikind et al.
Analytical biochemistry, 156(1), 81-90 (1986-07-01)
The Bratton-Marshall reaction can be used to identify patients with adenylosuccinate lyase deficiency. These patients excrete in their urine the dephosphorylated derivative of the de novo purine synthesis intermediate 5'-phosphoribosyl-4-(N-succinylcarboxamide)-5-aminoimidazole (SAICAR). The test described here depends on a coupling reaction
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