N,N-Dimethyl-1-naphthylamine ≥98% (by GC), Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY
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Synonyms: Dimethyl(1-naphthyl)amine, N,N-Dimethylnaphthalen-1-amine

M-Clarity™ quality level = MQ200

D4011-25ML D4011-100ML D4011-10ML D4011-500ML
D4011-25MLEA 181 EUR
D4011-25ML D4011-100ML D4011-10ML D4011-500ML
N,N-Dimethyl-1-naphthylamine ≥98% (by GC), Sigma-Aldrich®
N,N-Dimethyl-1-naphthylamine

N,N-Dimethyl-1-naphthylamine is an aromatic amine and a dye.


  • N,N-Dimethyl-1-naphthylamine (1-Dimethylaminonaphthalene) is used to study nitrate reduction by organisms
  • Reduction of nitrate results in the formation of nitrite, which reacts with sulfanilic acid and 1-dimethylaminonaphthalene to form a red diazo dye

Formula: C₁₂H₁₃N
MW: 171,24 g/mol
Boiling Pt: 139,..140 °C/13 mm Hg (lit.)
Density: 1,042 g/ml (25 °C) (lit.)
Flash Pt: 113 °C (closed cup)
Storage Temperature: Room Temperature
MDL Number: MFCD00003919
CAS Number: 86-56-6
EINECS: 201-682-4
UN: 3082
ADR: 9,III
Merck Index: 12,03301
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Specification Test Results

Appearance (colour) Faint yellow to dark yellow
Appearance (form) Liquid
Titration (nt) HClO₄ 0.1M 98.0 - 102.0 %
Purity (GC area %) ≥ 98.0 %
Infrared spectrum Conforms to structure
Recommended retest period 3 years

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