1-Naphthaldehyd - 1-Naphthaldehyd

Structural formula
Structural formula of 1-naphthaldehyde
Name 1-Naphthaldehyd
other names


Sum formula C10H7CHO
Brief description

dark yellow liquid [1]

External identifiers / databases
CAS number 66-77-3
EC number 200-633-4
ECHA-InfoCard 100.000.576
PubChem 6195
Wikidata Q21050985
Molar mass 156.18 g · mol −1
Physical state

liquid [1]


1,15 g·cm−3 (25 °C)[1]

Melting point

1–2 °C[1]

boiling point

160–161 °C (15 mmHg)[1]

Refractive index

1,652 (20 °C)[1]

safety instructions
GHS hazard labeling [1]
07 - Warning


H and P phrases H: 302
P: no P-phrases [1]
Toxicological data
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

1-Naphthaldehyde is a chemical compound from the group of naphthalene derivatives .

Extraction and presentation

1-Naphthaldehyde can be obtained by reducing 1-naphthoic acid or its nitrile [2] or by photolysis of 1-methylnaphthalene . [3]


1-naphthaldehyde is a dark yellow liquid. [1] From 210 ° C it decomposes with the release of carbon monoxide . [4]


1-Naphthaldehyde can be used to make other chemical compounds, such as the antifungal drug naftifine . [5]

Individual evidence

  1. a b c d e f g h i j k data sheet 1-naphthaldehyde, 95% from Sigma-Aldrich , accessed on August 9, 2015 ( PDF ).
  2. Alan R. Katritzky, Gerald Pattenden, Otto Meth-Cohn, Charles Wayne Rees: Comprehensive Organic Functional Group Transformations: Synthesis: carbon with one heteroatom attached by a multiple bond. Elsevier, 1995, ISBN 0-08-042324-8, S. 100 ( limited preview in Google Book search).
  3. V. Ramamurthy, Kirk S. Schanze: Solid State and Surface Photochemistry. CRC Press, 2000, ISBN 978-0-8247-0403-2, S. 19 ( limited preview in Google Book search).
  4. Ei-ichi Negishi: Handbook of Organopalladium Chemistry for Organic Synthesis, 2 Volume Set. John Wiley & Sons, 2003, ISBN 0-471-47381-2, S. 2649 ( limited preview in Google Book Search).
  5. Franz v. Bruchhausen, G. Dannhardt, Siegfried Ebel, August Wilhelm Frahm, Eberhard Hackenthal, Ulrike Holzgrabe: Hager's Handbook of Pharmaceutical Practice Volume 8: Substances EO . Springer-Verlag, 2013, ISBN 978-3-642-57994-3 , pp. 1068 ( limited preview in Google Book search).