| | Identification | More |  | [Name] 
 2-Naphthaldehyde
 |  | [CAS] 
 66-99-9
 |  | [Synonyms] 
 2-NAPHTHALDEHYDE
 2-NAPHTHALENECARBALDEHYDE
 2-Naphthalenecarboxaldehyde
 2-NAPHTHYLALDEHYDE
 BETA-NAPHTHALDEHYDE
 NAPHTHALDEHYDE(2-)
 NAPHTHALENE-B-ALDEHYDE
 2-Formylanaphthalene
 2-Formylnaphthalene
 beta-Formylnaphthalene
 beta-Naphthylaldehyde
 beta-Naphthylcarboxaldehyde
 naphthalene-2-carbaldehyde
 2-Naphthakdehyde
 2-naphthaldehyde (beta)
 Naphthaldehyde,97%
 B-NAPHTHALDEHYDE
 2-NAPHTHALDEHYDE  98%
 2-Naphthaldehyde,98%
 |  | [EINECS(EC#)] 
 200-640-2
 |  | [Molecular Formula] 
 C11H8O
 |  | [MDL Number] 
 MFCD00004094
 |  | [Molecular Weight] 
 156.18
 |  | [MOL File] 
 66-99-9.mol
 | 
 | Chemical Properties | Back Directory |  | [Appearance] 
 Pink crystalline
 |  | [Melting point ] 
 58-61 °C (lit.)
 |  | [Boiling point ] 
 160 °C (19 mmHg)
 |  | [density ] 
 1.6211
 |  | [refractive index ] 
 1.6211 (estimate)
 |  | [Fp ] 
 160°C/19mm
 |  | [storage temp. ] 
 -20°C
 |  | [solubility ] 
 Chloroform, Methanol (Sparingly)
 |  | [form ] 
 Powder or Chunks
 |  | [color ] 
 Off-white to yellow or light beige
 |  | [Water Solubility ] 
 Soluble in hot water.
 |  | [FreezingPoint ] 
 1.0755
 |  | [Sensitive ] 
 Air Sensitive
 |  | [Detection Methods] 
 GC
 |  | [BRN ] 
 507750
 |  | [InChIKey] 
 PJKVFARRVXDXAD-UHFFFAOYSA-N
 |  | [CAS DataBase Reference] 
 66-99-9(CAS DataBase Reference)
 |  | [NIST Chemistry Reference] 
 2-Naphthalenecarboxaldehyde(66-99-9)
 |  | [Storage Precautions] 
 Store under nitrogen
 |  | [EPA Substance Registry System] 
 66-99-9(EPA Substance)
 | 
 | Safety Data | Back Directory |  | [Hazard Codes ] 
 Xn,Xi
 |  | [Risk Statements ] 
 R36/37/38:Irritating to eyes, respiratory system and skin .
 R22:Harmful if swallowed.
 |  | [Safety Statements ] 
 S22:Do not breathe dust .
 S24/25:Avoid contact with skin and eyes .
 S36:Wear suitable protective clothing .
 S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
 |  | [RIDADR ] 
 UN 3335
 |  | [WGK Germany ] 
 3
 
 |  | [RTECS ] 
 QJ0190010
 
 |  | [F ] 
 10-23
 |  | [HS Code ] 
 29122900
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 Pink crystalline
 |  | [Uses] 
 2-Naphthaldehyde aids in stereo-selective formation of bicyclo 2-siloxy-2-alkoxyoxetanes. It is also used as catalytic agent and petrochemical additive.
 |  | [Definition] 
 ChEBI: A naphthaldehyde that is naphthalene substituted by a formyl group at position 2.
 |  | [Synthesis Reference(s)] 
 Synthesis, p. 470, 1996 DOI: 10.1055/s-1996-4246
 |  | [Purification Methods] 
 Distil 2-naphthaldehyde with steam then crystallise it from water or EtOH. [Beilstein 7 IV 1288.]
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