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4-CHLORO-1-NAPHTHOL

4-CHLORO-1-NAPHTHOL structure

CAS No.: 604-44-4

Chemical Name:: 4-CHLORO-1-NAPHTHOL

Synonyms: 4-CN;4C1N;4CN PLUS;NSC 44345;4C1N/4-CN;CHLORONAPTHOL;CHLORONAPHTHOL;Chloro-1-naphthol;Naphthol Impurity;4-Chlor-1-naphthol

CBNumber:: CB6715043

Molecular Formula:: C10H7ClO

Molecular Weight:: 178.62

MDL Number:: MFCD00003974

MOL File:: 604-44-4.mol

MSDS File:: SDS

Last updated:2026-01-13 11:24:12

Product description	Number	Pack Size	Price
4-Chloro-1-naphthol tablet	C6788	5 tabs	$60.8
4-Chloro-1-naphthol solution For HRP detection on Western Blots	C8302	100 mL	$155
4-Chloro-1-naphthol tablet	C6788	50 tabs	$319
4-Chloro-1-naphthol tablet	C6788	100 tabs	$564
4-Chloro-1-naphthol tablet	C6788	5tablets	$55.1
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4-CHLORO-1-NAPHTHOL Properties

Melting point	118-121 °C(lit.)
Boiling point	254.41°C (rough estimate)
Density	density
refractive index	1.4575 (estimate)
Flash point	73 °C
storage temp.	-20°C
solubility	methanol: 50 mg/mL, clear, colorless to very faintly yellow
form	tablets (~32 mg each)
pka	9.11±0.40(Predicted)
color	Off-white to gray to light brown
BRN	509750
InChI	InChI=1S/C10H7ClO/c11-9-5-6-10(12)8-4-2-1-3-7(8)9/h1-6,12H
InChIKey	LVSPDZAGCBEQAV-UHFFFAOYSA-N
SMILES	C1(O)=C2C(C=CC=C2)=C(Cl)C=C1
CAS DataBase Reference	604-44-4(CAS DataBase Reference)
FDA UNII	P4NNY2FQ2A
EPA Substance Registry System	1-Naphthalenol, 4-chloro- (604-44-4)
UNSPSC Code	12352204
NACRES	NA.83

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H335-H315-H319

Precautionary statements

P261-P280a-P304+P340-P305+P351+P338-P405-P501a-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313

PPE

dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes

Xi,T

Risk Statements

36/37/38-39/23/24/25-20/21/22

Safety Statements

26-36-45-36/37

RIDADR

UN 2810 6.1/PG 3

WGK Germany

8-9-23

TSCA

TSCA listed

HS Code

29081990

Storage Class

11 - Combustible Solids

NFPA 704

	0
2		0

4-CHLORO-1-NAPHTHOL price More Price(36)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	C6788	4-Chloro-1-naphthol tablet	604-44-4	5 tabs	$60.8	2026-03-19	Buy
Sigma-Aldrich	C8302	4-Chloro-1-naphthol solution For HRP detection on Western Blots	604-44-4	100 mL	$155	2026-03-19	Buy
Sigma-Aldrich	C6788	4-Chloro-1-naphthol tablet	604-44-4	50 tabs	$319	2026-03-19	Buy
Sigma-Aldrich	C6788	4-Chloro-1-naphthol tablet	604-44-4	100 tabs	$564	2026-03-19	Buy
Sigma-Aldrich	C6788	4-Chloro-1-naphthol tablet	604-44-4	5tablets	$55.1	2024-03-01	Buy

Product number	Packaging	Price	Buy
C6788	5 tabs	$60.8	Buy
C8302	100 mL	$155	Buy
C6788	50 tabs	$319	Buy
C6788	100 tabs	$564	Buy
C6788	5tablets	$55.1	Buy

4-CHLORO-1-NAPHTHOL Chemical Properties,Uses,Production

Chemical Properties

Off white to tan crystals

Uses

4-Chloro-1-naphthol has been used to visualize protein bands in western blotting. It has also been used in staining polyvinylidene fluoride (PVDF) membrane by Nakane method.

Uses

Suitable for visualizing protein-peroxidase conjugates in western blotting.

Synthesis Reference(s)

Tetrahedron, 38, p. 2347, 1982 DOI: 10.1016/0040-4020(82)87012-9

General Description

4-Chloro-1-naphthol is primarily used for the detection of proteins, it gives a characteristic purple precipitate and the reactions are easily controllable. It can be used as a substitute for benzidine compounds, which are considered to be carcinogenic.

Biochem/physiol Actions

4-Chloro-1-naphthol serves as a substrate for horseradish peroxidase.

Purification Methods

Crystallise the naphthol from EtOH or CHCl3. [Beilstein 6 H 611, 6 II 582, 6 III 2933, 6 IV 4233.]

4-CHLORO-1-NAPHTHOL Preparation Products And Raw materials

Raw materials

1-Naphthalenol, 2-chloro- 2,4-DICHLORO-1-NAPHTHOL 1-Naphthol

Preparation Products

1-NAPHTHOL-4-SULFONIC ACID SODIUM SALT 3H-Indol-3-one, 5,7-dichloro-2-(4-chloro-1-oxo-2(1H)-naphthalenylidene)-1,2-dihydro-4,6-dimethyl- 4-chloro-1-hydroxynaphthalene-2-carbaldehyde

4-CHLORO-1-NAPHTHOL Suppliers

Global( 249)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi Dideu Medichem Co. Ltd	+86-29-87569262 +86-15003564040	1056@dideu.com	China	3982	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718; +8613336195806	sales@capot.com	China	29640	60
Shanghai Daken Advanced Materials Co.,Ltd	+86-2158073036	info@dakenam.com	China	13815	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21592	55
Shanghai Zheyan Biotech Co., Ltd.	18017610038	zheyansh@163.com	CHINA	3619	58
BOC Sciences	+1-631-485-4226	inquiry@bocsci.com	United States	19552	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49977	58
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29794	58
Zhengzhou Alfa Chemical Co.,Ltd	+8618530059196	sale04@alfachem.cn	China	9548	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58

Supplier	Advantage
Shaanxi Dideu Medichem Co. Ltd	58
Capot Chemical Co.,Ltd.	60
Shanghai Daken Advanced Materials Co.,Ltd	58
Henan Tianfu Chemical Co.,Ltd.	55
Shanghai Zheyan Biotech Co., Ltd.	58
BOC Sciences	58
CONIER CHEM AND PHARMA LIMITED	58
career henan chemical co	58
Zhengzhou Alfa Chemical Co.,Ltd	58
Hefei TNJ Chemical Industry Co.,Ltd.	58

View Lastest Price from 4-CHLORO-1-NAPHTHOL manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-04-20	1-Chloro-4-naphthol 604-44-4	US $0.00-0.00 / g	1g	97%min	10kg	WUHAN FORTUNA CHEMICAL CO., LTD
2026-02-02	4-CHLORO-1-NAPHTHOL 604-44-4	US $1000.00 / kg	1kg	98%HPLC	200kg	Shaanxi Dideu Medichem Co. Ltd
2021-12-10	4cn	US $1.00 / KG	1KG	99.9%	50 Kilogram/Day	Handan Tongyi New Material Technology Co., Ltd

1-Chloro-4-naphthol
604-44-4
US $0.00-0.00 / g
97%min
WUHAN FORTUNA CHEMICAL CO., LTD

4-CHLORO-1-NAPHTHOL
604-44-4
US $1000.00 / kg
98%HPLC
Shaanxi Dideu Medichem Co. Ltd

4cn
US $1.00 / KG
99.9%
Handan Tongyi New Material Technology Co., Ltd

4-CHLORO-1-NAPHTHOL Spectrum

4-CHLORO-1-NAPHTHOL(604-44-4)MS 4-CHLORO-1-NAPHTHOL(604-44-4)¹HNMR 4-CHLORO-1-NAPHTHOL(604-44-4)¹³CNMR 4-CHLORO-1-NAPHTHOL(604-44-4)IR1 4-CHLORO-1-NAPHTHOL(604-44-4)Raman

604-44-4(4-CHLORO-1-NAPHTHOL)Related Search:

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