ChemicalBook > CAS DataBase List > 2-Naphthaldehyde

2-Naphthaldehyde

Product Name
2-Naphthaldehyde
CAS No.
66-99-9
Chemical Name
2-Naphthaldehyde
Synonyms
naphthalene-2-carbaldehyde;2-Formylnaphthalene;2-NaphthaL;B-NAPHTHALDEHYDE;2-Naphthakdehyde;2-NAPHTHALDEHYDE;Naphthaldehyde,97%;2-NAPHTHYLALDEHYDE;NAPHTHALDEHYDE(2-);BETA-NAPHTHALDEHYDE
CBNumber
CB4496391
Molecular Formula
C11H8O
Formula Weight
156.18
MOL File
66-99-9.mol
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2-Naphthaldehyde Property

Melting point:
58-61 °C (lit.)
Boiling point:
160 °C (19 mmHg)
Density 
1.6211
refractive index 
1.6211 (estimate)
Flash point:
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
BRN 
507750
InChIKey
PJKVFARRVXDXAD-UHFFFAOYSA-N
CAS DataBase Reference
66-99-9(CAS DataBase Reference)
NIST Chemistry Reference
2-Naphthalenecarboxaldehyde(66-99-9)
EPA Substance Registry System
2-Naphthalenecarboxaldehyde (66-99-9)
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Safety

Hazard Codes 
Xn,Xi
Risk Statements 
36/37/38-22
Safety Statements 
22-24/25-36-26
RIDADR 
UN 3335
WGK Germany 
3
RTECS 
QJ0190010
F 
10-23
HS Code 
29122900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H301Toxic if swalloed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
N206
Product name
2-Naphthaldehyde
Purity
98%
Packaging
5G
Price
$50.3
Updated
2025/07/31
Sigma-Aldrich
Product number
N206
Product name
2-Naphthaldehyde
Purity
98%
Packaging
25g
Price
$128
Updated
2025/07/31
Sigma-Aldrich
Product number
N206
Product name
2-Naphthaldehyde
Purity
98%
Packaging
100g
Price
$496
Updated
2025/07/31
TCI Chemical
Product number
N0003
Product name
2-Naphthaldehyde
Purity
>98.0%(GC)
Packaging
5g
Price
$34
Updated
2025/07/31
TCI Chemical
Product number
N0003
Product name
2-Naphthaldehyde
Purity
>98.0%(GC)
Packaging
25g
Price
$131
Updated
2025/07/31
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2-Naphthaldehyde Chemical Properties,Usage,Production

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.

Uses

2-Naphthaldehyde can be used as a reactant:

  • In proline catalyzed aldol reaction.
  • In asymmetric three-component Mannich reaction.
  • For the synthesis of Hantzsch 1,4-dihydropyridines.13}
  • Asymmetric benzoin condensation reaction.
  • For the synthesis of pyrazolo[1,2?b]phthalazinediones.
  • For the synthesis C60 by flash vacuum pyrolysis.

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.]

2-Naphthaldehyde Preparation Products And Raw materials

Raw materials

Tin(Ⅱ)chloride anhydrous Imine Diethyl ether

Preparation Products

N-METHYL-N-(2-NAPHTHYLMETHYL)AMINE 3-NAPHTHALEN-2-YL-PROPIONALDEHYDE
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2-Naphthaldehyde Suppliers

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View Lastest Price from 2-Naphthaldehyde manufacturers

Jinan Finer Chemical Co., Ltd
Product
2-Naphthaldehyde 66-99-9
Price
US $0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
100mt
Release date
2019-03-26
HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
Product
2-Naphthaldehyde 66-99-9
Price
US $110.00-70.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000
Release date
2024-08-14
Zhejiang Free Trade Zone Violet Trade Co., Ltd.
Product
2-Naphthaldehyde 66-99-9
Price
US $1.00/KG
Min. Order
1KG
Purity
99.9%
Supply Ability
20TONS
Release date
2025-04-15

66-99-9, 2-NaphthaldehydeRelated Search:

2-Chlorobenzaldehyde Sodium poly[(naphthaleneformaldehyde)sulfonate] 1-Hydroxy-2-naphthoic acid 4-AMINOSULFONYL-1-HYDROXY-2-NAPHTHOIC ACID, 97 N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide 5,12-NAPHTHACENEQUINONE 2-Naphthoyl chloride PHENYL 3-HYDROXY-2-NAPHTHOATE Naphthol AS 9-ACETYLPHENANTHRENE 9,10-DIHYDROBENZO[A]PYREN-7(8H)-ONE 2-ACETYLPHENANTHRENE 3-HYDROXY-2-NAPHTHOIC ACID HYDRAZIDE 3,5-DIHYDROXY-2-NAPHTHOIC ACID XYLIDYL BLUE I SODIUM SALT NAPHTHOL AS ACETATE 1'-HYDROXY-2'-ACETONAPHTHONE NAPHTHOL AS-BI PHOSPHATE

  • naphthalene-2-carbaldehyde
  • 2-Naphthakdehyde
  • 2-naphthaldehyde (beta)
  • Naphthaldehyde,97%
  • 2-Naphthaldehyde,98%
  • B-NAPHTHALDEHYDE
  • 2-NAPHTHALDEHYDE 98%
  • 2-Naphthaldehyde, 98% 25GR
  • 2-Naphthaldehyde, 98% 5GR
  • 2-Naphthaldehyde (8CI)
  • 2-Naphthalenealdehyde
  • 2- naphthaleneforMaldehyde
  • BETA-NAPHTHALDEHYDE
  • N**2-Naphthaldehyde
  • 2-NAPHTHALDEHYDE
  • 2-Naphthalenecarboxaldehyde
  • 2-NAPHTHALENECARBALDEHYDE
  • 2-NAPHTHYLALDEHYDE
  • 2-Formylanaphthalene
  • 2-Formylnaphthalene
  • beta-Formylnaphthalene
  • beta-Naphthylaldehyde
  • beta-Naphthylcarboxaldehyde
  • NAPHTHALDEHYDE(2-)
  • NAPHTHALENE-B-ALDEHYDE
  • 2-NaphthaL
  • 2-Naphthaldehyde&gt
  • 2-Naphthaldehyde, 98%, for synthesis
  • 2-Naphthalenecarboxaldehyde (9CI, ACI)
  • Chlorobutanol Impurity?6
  • 66-99-9
  • C11H8O
  • ALDEHYDE
  • C10 to C21
  • Carbonyl Compounds
  • Building Blocks
  • Aldehydes
  • Organic Building Blocks
  • Naphthalene series
  • Pyridines