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2-Naphthaldehyde

2-Naphthaldehyde structure

CAS No.: 66-99-9

Chemical Name:: 2-Naphthaldehyde

Synonyms: naphthalene-2-carbaldehyde;2-Naphthalenecarboxaldehyde;2-Formylnaphthalene;2-NAPHTHALENECARBALDEHYDE;2-NaphthaL;2-Naphthakdehyde;B-NAPHTHALDEHYDE;2-NAPHTHALDEHYDE;Naphthaldehyde,97%;2-NAPHTHYLALDEHYDE

CBNumber:: CB4496391

Molecular Formula:: C11H8O

Molecular Weight:: 156.18

MDL Number:: MFCD00004094

MOL File:: 66-99-9.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 04:40:44

Product description	Number	Pack Size	Price
2-Naphthaldehyde 98%	N206	5G	$53.6
2-Naphthaldehyde 98%	N206	25g	$136
2-Naphthaldehyde 98%	N206	100g	$528
2-Naphthaldehyde >98.0%(GC)	N0003	5g	$39
2-Naphthaldehyde >98.0%(GC)	N0003	25g	$150
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2-Naphthaldehyde Properties

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
Henry's Law Constant	6.0×10¹ mol/(m³Pa) at 25℃, Abraham and Jr. (2019)
InChI	1S/C11H8O/c12-8-9-5-6-10-3-1-2-4-11(10)7-9/h1-8H
InChIKey	PJKVFARRVXDXAD-UHFFFAOYSA-N
SMILES	[H]C(=O)c1ccc2ccccc2c1
CAS DataBase Reference	66-99-9(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	GZX30H50DE
NIST Chemistry Reference	2-Naphthalenecarboxaldehyde(66-99-9)
EPA Substance Registry System	2-Naphthalenecarboxaldehyde (66-99-9)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07,GHS06

Signal word

Warning

Hazard statements

H302+H312+H332-H315-H319-H301-H335

Precautionary statements

P280a-P301+P310a-P305+P351+P338-P405-P501a-P261-P264-P270-P271-P280-P301+P312+P330-P302+P352+P312+P362+P364-P304+P340+P312-P305+P351+P338+P337+P313-P501

PPE

Eyeshields, Gloves, type N95 (US)

Hazard Codes

Xn,Xi

Risk Statements

36/37/38-22

Safety Statements

22-24/25-36-26

RIDADR

UN 3335

WGK Germany

RTECS

QJ0190010

10-23

HS Code

29122900

Storage Class

11 - Combustible Solids

NFPA 704

	1
2		0

2-Naphthaldehyde price More Price(73)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	N206	2-Naphthaldehyde 98%	66-99-9	5G	$53.6	2026-04-30	Buy
Sigma-Aldrich	N206	2-Naphthaldehyde 98%	66-99-9	25g	$136	2026-04-30	Buy
Sigma-Aldrich	N206	2-Naphthaldehyde 98%	66-99-9	100g	$528	2026-04-30	Buy
TCI Chemical	N0003	2-Naphthaldehyde >98.0%(GC)	66-99-9	5g	$39	2026-04-30	Buy
TCI Chemical	N0003	2-Naphthaldehyde >98.0%(GC)	66-99-9	25g	$150	2026-04-30	Buy

Product number	Packaging	Price	Buy
N206	5G	$53.6	Buy
N206	25g	$136	Buy
N206	100g	$528	Buy
N0003	5g	$39	Buy
N0003	25g	$150	Buy

2-Naphthaldehyde Chemical Properties,Uses,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[1,2b]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 synthesis

Synthesis of 2-Naphthaldehyde from 2-(Bromomethyl)naphthalene

2-Naphthaldehyde Preparation Products And Raw materials

Raw materials

Tin(Ⅱ)chloride anhydrous Imine Diethyl ether Methanediol, 1-(2-naphthalenyl)-, 1,1-diacetate 1,3-Dithiane, 2-(2-naphthalenyl)-

2-(CHLOROMETHYL)NAPHTHALENE 2-IODONAPHTHALENE 2-Naphthoyl chloride 2-Vinylnaphthalene 2-Naphthylacetic acid

2-Naphthalenemethanol 2-(Bromomethyl)naphthalene 2-Naphthoic acid 2-Methylnaphthalene

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Preparation Products

N-METHYL-N-(2-NAPHTHYLMETHYL)AMINE 3-NAPHTHALEN-2-YL-PROPIONALDEHYDE Naphthalene 2,2'-DINAPHTHYL KETONE 3-hydroxynaphthalene-2-carbaldehyde

ZM 449829

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2-Naphthaldehyde Suppliers

Global( 375)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shandong Xingshun New Material Co., Ltd.	+86-0519-86461196	gxx@xingshengtech.com	China	552	58
Hebei Yanxi Chemical Co., Ltd.	+8618531123677	faithe@yan-xi.com	China	5853	58
Zhejiang Free Trade Zone Violet Trade Co., Ltd.	+8618768051816; +8615858061377	jenny@zjviolettech.com	China	113	58
Hebei Chuanghai Biotechnology Co,.LTD	+86-86-13131129325 +8613131129325	sales1@chuanghaibio.com	China	5228	58
Hebei Chuanghai Biotechnology Co., Ltd	+8615531151365	mina@chuanghaibio.com	China	18126	58
HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD	+86-15350851019; +8615350851019	admin@86-ss.com	China	999	58
Hebei Zhuanglai Chemical Trading Co Ltd	+86-16264648883	niki@zlchemi.com	China	7245	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718 +86-13336195806	sales@capot.com	China	29640	60
Shanghai Daken Advanced Materials Co.,Ltd	+86-2158073036	info@dakenam.com	China	13901	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21587	55

Supplier	Advantage
Shandong Xingshun New Material Co., Ltd.	58
Hebei Yanxi Chemical Co., Ltd.	58
Zhejiang Free Trade Zone Violet Trade Co., Ltd.	58
Hebei Chuanghai Biotechnology Co,.LTD	58
Hebei Chuanghai Biotechnology Co., Ltd	58
HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD	58
Hebei Zhuanglai Chemical Trading Co Ltd	58
Capot Chemical Co.,Ltd.	60
Shanghai Daken Advanced Materials Co.,Ltd	58
Henan Tianfu Chemical Co.,Ltd.	55

2-Naphthaldehyde: Photochemical Reactivity & Industrial Intermediate
2-Naphthaldehyde (aromatic aldehyde intermediate) undergoes Lewis acid-induced ortho photocycloaddition and is used in pharmac....
Nov 11，2025

View Lastest Price from 2-Naphthaldehyde manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-06-07	2-Naphthaldehyde 66-99-9	$70.00-110.00	1kg	99%	5000	HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
2026-06-05	2-Naphthaldehyde 66-99-9		1kg	98%min	1000kg	WUHAN FORTUNA CHEMICAL CO., LTD
2026-05-28	2-Naphthaldehyde 66-99-9	$2.00-5.00	1KG	99%	10000kg	Hebei Chuanghai Biotechnology Co,.LTD

2-Naphthaldehyde
66-99-9
$70.00-110.00
99%
HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD

2-Naphthaldehyde
66-99-9
98%min
WUHAN FORTUNA CHEMICAL CO., LTD

2-Naphthaldehyde
66-99-9
$2.00-5.00
99%
Hebei Chuanghai Biotechnology Co,.LTD

2-Naphthaldehyde Spectrum

2-Naphthaldehyde(66-99-9)¹HNMR 2-Naphthaldehyde(66-99-9)¹³CNMR 2-Naphthaldehyde(66-99-9)IR1 2-Naphthaldehyde(66-99-9)Raman

66-99-9(2-Naphthaldehyde)Related Search:

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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

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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-NAPHTHYLALDEHYDE 2-Formylanaphthalene 2-Formylnaphthalene beta-Formylnaphthalene beta-Naphthylaldehyde beta-Naphthylcarboxaldehyde NAPHTHALDEHYDE(2-) NAPHTHALENE-B-ALDEHYDE 2-NaphthaL 2-Naphthaldehyde> 2-Naphthaldehyde, 98%, for synthesis 2-Naphthalenecarboxaldehyde (9CI, ACI) Chlorobutanol Impurity?6 2-NAPHTHALENECARBALDEHYDE 2-Naphthalenecarboxaldehyde naphthalene-2-carbaldehyde 66-99-9 C11H8O ALDEHYDE C10 to C21 Carbonyl Compounds Building Blocks Aldehydes Organic Building Blocks Naphthalene series Pyridines

2-Naphthaldehyde

2-Naphthaldehyde Properties

SAFETY

Risk and Safety Statements

2-Naphthaldehyde price More Price(73)

2-Naphthaldehyde Chemical Properties,Uses,Production

Chemical Properties

Uses

Uses

Definition

Synthesis Reference(s)

Purification Methods

2-Naphthaldehyde synthesis

2-Naphthaldehyde Preparation Products And Raw materials

Raw materials

Preparation Products

2-Naphthaldehyde Suppliers

Related articles

View Lastest Price from 2-Naphthaldehyde manufacturers

2-Naphthaldehyde Spectrum

66-99-9(2-Naphthaldehyde)Related Search: