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33461 Sigma-Aldrich

N-(1-Naphthyl)ethylenediamine dihydrochloride

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

Synonym: 2-(1-Naphthylamino)ethylamine dihydrochloride

  • CAS Number 1465-25-4

  • Linear Formula C10H7NHCH2CH2NH2 · 2HCl

  • Molecular Weight 259.17

  •  Beilstein Registry Number 3707471

  •  EC Number 215-981-2

  •  MDL number MFCD00012556

  •  PubChem Substance ID 329754555

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, M-N, Puriss p.a. ACS, Puriss p.a. ACS More...
grade   ACS reagent
  for determination of sulfonamide and nitrite
InChI Key   MZNYWPRCVDMOJG-UHFFFAOYSA-N
assay   ≥98% (calc with ref. to anhyd. subst.)
  ≥98%
impurities   ≤0.01% 2-naphthylamine
  ≤0.1% 1-naphthylamine
  ≤5% water (Karl Fischer)
mp   194-198 °C (dec.)(lit.)
suitability   complies for identity
  passes test for detection of sulfonamide

Description

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.

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Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
KV5330000
Protocols & Articles
Peer-Reviewed Papers
15

References

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Description

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70720 N-(1-Naphthyl)ethylenediamine dihydrochloride monomethanolate, for spectrophotometric det. of nitrate and nitrite, ≥99.0%
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