ChemicalBook > CAS DataBase List > 4-CHLORO-1-NAPHTHOL

4-CHLORO-1-NAPHTHOL

Product Name
4-CHLORO-1-NAPHTHOL
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
Formula Weight
178.62
MOL File
604-44-4.mol
More
Less

4-CHLORO-1-NAPHTHOL Property

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)
EPA Substance Registry System
1-Naphthalenol, 4-chloro- (604-44-4)
More
Less

Safety

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 
3
F 
8-9-23
TSCA 
Yes
HS Code 
29081990
More
Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

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.

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

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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.

More
Less

N-Bromosuccinimide Price

Sigma-Aldrich
Product number
C6788
Product name
4-Chloro-1-naphthol
Purity
tablet
Packaging
5 tabs
Price
$52.48
Updated
2025/07/31
Sigma-Aldrich
Product number
C8302
Product name
4-Chloro-1-naphthol solution
Purity
For HRP detection on Western Blots
Packaging
100 mL
Price
$134.41
Updated
2025/07/31
Sigma-Aldrich
Product number
C6788
Product name
4-Chloro-1-naphthol
Purity
tablet
Packaging
50 tabs
Price
$275.35
Updated
2025/07/31
Sigma-Aldrich
Product number
C6788
Product name
4-Chloro-1-naphthol
Purity
tablet
Packaging
100 tabs
Price
$527
Updated
2025/07/31
Sigma-Aldrich
Product number
C6788
Product name
4-Chloro-1-naphthol
Purity
tablet
Packaging
5tablets
Price
$55.1
Updated
2024/03/01
More
Less

4-CHLORO-1-NAPHTHOL Chemical Properties,Usage,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

Preparation Products

More
Less

4-CHLORO-1-NAPHTHOL Suppliers

Americas 1 Belgium 1 China 174 Europe 3 France 1 Germany 5 India 8 Japan 4 Switzerland 3 Ukraine 1 United Kingdom 12 United States 35 Global 248
J & K SCIENTIFIC LTD.
Tel
18210857532; 18210857532
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006356688 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40228
Advantage
62
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24529
Advantage
81
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44801
Advantage
61
JinYan Chemicals(ShangHai) Co.,Ltd.
Tel
13817811078
Fax
86-021-50426522,50426273
Email
sales@jingyan-chemical.com
Country
China
ProdList
9976
Advantage
60
Adamas Reagent, Ltd.
Tel
400-6009262 16621234537
Fax
021-64823266
Email
chenyj@titansci.com
Country
China
ProdList
14101
Advantage
59
Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202 13764082696
Email
info@hanhongsci.com
Country
China
ProdList
42934
Advantage
64
Shandong Xiya Chemical Co., Ltd
Tel
4009903999 13355009207
Fax
0539-6365991
Email
3007715519@qq.com
Country
China
ProdList
18729
Advantage
57
Syntechem Co.,Ltd
Tel
Fax
E-Mail Inquiry
Email
info@syntechem.com
Country
China
ProdList
12984
Advantage
57
Sichuan Kulinan Technology Co., Ltd
Tel
400-1166-196 18981987031
Fax
028-84555506 800101999
Email
cdhxsj@163.com
Country
China
ProdList
11705
Advantage
57
RYSS TECH LTD
Tel
400-188-0725 +86 21 34310725 13611771617
Fax
+86 21 34311076
Country
China
ProdList
2002
Advantage
57
Tianjin heowns Biochemical Technology Co., Ltd.
Tel
400 638 7771
Email
sales@heowns.com
Country
China
ProdList
14435
Advantage
57
Hunan Hui Bai Shi Biotechnology Co., Ltd.
Tel
0731-85526065 13308475853
Email
ivy@hnhbsj.com
Country
China
ProdList
7247
Advantage
62
Spectrum Chemical Manufacturing Corp.
Tel
021-021-021-67601398-809-809-809 15221380277
Fax
021-57711696
Email
marketing_china@spectrumchemical.com
Country
China
ProdList
9658
Advantage
60
Wuhan Fortuna Chemical Co., Ltd
Tel
027-59207852 13308628970
Fax
QQ3130921841
Email
buy@fortunachem.com
Country
China
ProdList
2744
Advantage
58
Shanghai civi chemical technology co.,Ltd
Tel
86-21-34053660
Fax
86-21-34053661
Email
sale@labgogo.com
Country
China
ProdList
9865
Advantage
52
Thermo Fisher Scientific
Tel
800-810-5118
Fax
+86-10-84193589
Email
cnchemical@thermofisher.com
Country
China
ProdList
17770
Advantage
75
Beijing innoChem Science & Technology Co.,Ltd.
Tel
400-810-7969 010-59572699
Fax
010-59572688
Email
ningzi.li@inno-chem.com.cn
Country
China
ProdList
6134
Advantage
55
9ding chemical ( Shanghai) Limited
Tel
4009209199
Fax
86-021-52271987
Email
sales@9dingchem.com
Country
China
ProdList
22514
Advantage
55
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Tel
400-6206333 13167063860
Fax
021-50323701
Email
anhua.mao@aladdin-e.com
Country
China
ProdList
25003
Advantage
65
Shanghai Ruji Biology Technology Co., Ltd.
Tel
+86-21-65211385-8001 36031160
Fax
+86-21-65211385-8004
Email
sales@shruji.com
Country
China
ProdList
3224
Advantage
55
Nanjing Dulai Biotechnology Co., Ltd.
Tel
025-846993838003-8003 18013301590
Fax
025-84699383-8003
Email
njduly@126.com
Country
China
ProdList
3249
Advantage
55
TargetMol Chemicals Inc.
Tel
021-021-33632979 15002134094
Fax
021-33632979
Email
marketing@targetmol.com
Country
China
ProdList
7783
Advantage
58
Shanghai BeiZhuo Biotech Co., Ltd.
Tel
021-61119791,13386096464
Fax
021-50190009
Email
bzswkf@foxmail.com
Country
China
ProdList
3921
Advantage
50
Shanghai JONLN Reagent Co., Ltd.
Tel
400-0066400 13621662912
Fax
021-55660885
Email
422131432@qq.com
Country
China
ProdList
9979
Advantage
55
Bide Pharmatech Ltd.
Tel
400-164-7117 13681763483
Fax
+86-21-61629029
Email
product02@bidepharm.com
Country
China
ProdList
39966
Advantage
60
Shanghai CanSpecsci Instrument Co., Ltd.
Tel
400-6087598 15021221957
Fax
4006087598-8012
Email
order@canspecsci.com
Country
China
ProdList
2001
Advantage
56
Suzhou yacoo science co.,Ltd
Tel
0512-87182056 18013166090
Fax
0512-87182056
Email
lingling.qi@yacoo.com.cn
Country
China
ProdList
6295
Advantage
60
Shanghai Xingui Biotechnology Co., Ltd.
Tel
15121041756
Email
xingui2022@126.com
Country
China
ProdList
9979
Advantage
58
Hangzhou J&H Chemical Co., Ltd.
Tel
0571-87396432
Fax
0571-87396431
Email
sales@jhechem.com
Country
China
ProdList
14912
Advantage
59
Sigma-Aldrich
Tel
021-61415566 800-8193336
Email
orderCN@merckgroup.com
Country
China
ProdList
51395
Advantage
80
Watson Biotechnology Co.,Ltd
Tel
027-59207879 1972026995 18140587686
Fax
QQ：1972026995
Email
sales@3600chem.com
Country
China
ProdList
4447
Advantage
55
Shanghai Synchem Pharma Co., ltd
Tel
21-619849051-1 18521059765
Email
synchempharma@aliyun.com
Country
China
ProdList
6468
Advantage
55
Beijing NuoqiYa Biotechnology Co., Ltd.
Tel
4000-819-385 010-62329685 13718666987
Fax
010-62340519
Country
China
ProdList
1971
Advantage
55
Zhengzhou Alfachem Co., Ltd.
Tel
0371-53765687 18937137882
Fax
QQ:2885373884
Email
2853979813@qq.com
Country
China
ProdList
7991
Advantage
55
Chengdu RunZeBenTu Chemical Co., Ltd
Tel
028-88469284 18000562381
Email
rzbtsj@163.com
Country
China
ProdList
9951
Advantage
56
Codow Chemical Co.,Ltd.
Tel
18620099427
Fax
+86-20-62619665
Email
amy@howeipharm.com
Country
China
ProdList
6687
Advantage
55
Shanghai Haozhixiang Biotechnology Co., Ltd
Tel
526763801 13301653310
Fax
+86-21-51619052
Email
526763801@qq.com
Country
China
ProdList
9274
Advantage
55
Henan CoreyChem Co., Ltd
Tel
0371-86658258
Fax
0371-60996044
Email
info@coreychem.com
Country
China
ProdList
10453
Advantage
58
Chongqing AoShe Biological Chemical Co., Ltd.
Tel
023-63225655 13320248848
Fax
023-63225655QQ2366581735
Email
2366581735@qq.com
Country
China
ProdList
511
Advantage
55
VWR(Shanghai) Co., Ltd
Tel
400-821-8006
Fax
+86-21-58558801
Email
info_china@vwr.com
Country
China
ProdList
3040
Advantage
75
Shanghai Xilong Biochemical Technology Co., Ltd.
Tel
021-52907766-8042
Fax
021-52906523
Country
China
ProdList
9941
Advantage
58
Shanghai YuanYe Biotechnology Co., Ltd.
Tel
021-61312847; 18021002903
Fax
QQ:3008007432
Email
3008007409@qq.com
Country
China
ProdList
71826
Advantage
60
Raw material medicin reagent co.,Ltd
Tel
Email
sales@njromanme.com
Country
China
ProdList
4529
Advantage
58
Grader reagent
Tel
18221735425
Email
sales@xinpingchem.com
Country
China
ProdList
9942
Advantage
58
Beijing Solarbio Science & Tecnology Co., Ltd.
Tel
010-50973130 18101056239
Email
3193328036@qq.com
Country
China
ProdList
29760
Advantage
68
Anhui kuer Bioengineering Co., Ltd
Tel
0551-65171243 13856024262
Email
kuer@kuerhuaxue.com
Country
China
ProdList
2992
Advantage
55
Hunan Waybel Advanced Materials Co.,Ltd
Tel
0731-85529965 13319523173
Email
3002708854@qq.com
Country
China
ProdList
481
Advantage
60
9ding chemical ( Shanghai) Limited
Tel
021-021-52271985 17721149837
Fax
+86 (21) 52271987
Email
sales@9dingchem.com
Country
China
ProdList
19800
Advantage
60
Guangzhou LES biological Technology Co.,Ltd.
Tel
13672434928
Fax
-
Email
3307355104@qq.com
Country
China
ProdList
3650
Advantage
58
More
Less

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

Shaanxi Dideu Medichem Co. Ltd
Product
4-CHLORO-1-NAPHTHOL 604-44-4
Price
US $1000.00/kg
Min. Order
1kg
Purity
98%HPLC
Supply Ability
200kg
Release date
2025-08-13
Handan Tongyi New Material Technology Co., Ltd
Product
4cn
Price
US $1.00/KG
Min. Order
1KG
Purity
99.9%
Supply Ability
50 Kilogram/Day
Release date
2021-03-02
Career Henan Chemical Co
Product
4-CHLORO-1-NAPHTHOL 604-44-4
Price
US $6.68/KG
Min. Order
1KG
Purity
99%
Supply Ability
1kg-1000kg
Release date
2020-01-08

604-44-4, 4-CHLORO-1-NAPHTHOLRelated Search:

4-EPIANHYDROCHLORTETRACYCLINE HYDROCHLORIDE, CAN BE USED AS SECONDARY STANDARD Phenyl 4-chloro-1-hydroxy-2-naphthoate 4-((4'-CHLORO-1-NAPHTHYLOXY)METHYL)PHEN& 4-CHLORO-1-HYDROXY-2-NAPHTHOIC ACID 4-CHLORO-1-NAPHTHOL 2,4-DICHLORO-1-NAPHTHOL 1-Naphthol ANHYDROCHLORTETRACYCLINE HYDROCHLORIDE 1-(4-CHLORO-1-HYDROXY-NAPHTHALEN-2-YL)-ETHANONE 3-CHLORO-4-[(4-CHLORO-1-NAPHTHYL)OXY]ANILINE CHEMBRDG-BB 7017702 6-Bromo-1-chloro-2-naphthol 6-chloro-2-naphthol 8-chloro-1-naphthol-3,6-disulfonic acid 6-amino-5-chloro-1-naphthol-3-sulfonic acid 2-[(4-CHLORO-1-NAPHTHYL)OXY]-1-(4-METHYL-2-PHENYL-1,3-THIAZOL-5-YL)-1-ETHANONE RARECHEM AN KA 1951 4-CHLORO-1-NAPHTHYL 2-[(PHENYLSULFONYL)ANILINO]ACETATE

  • 4-chloro-1-nahphthol
  • 4-chloro-1-naphthaleno
  • 4-chloro-1-Naphthalenol
  • 4-CHLORO-1-NAPHTHOL FOR DETECTION OF PEROXIDASE FOR MICROSCOPY
  • 4-Chloro-1-naphthol [for Biochemical Research]
  • 1-Chloro-4-naphthol
  • 1-Hydroxy-4-chloronaphthalene
  • NSC 44345
  • 4-CHLORO-1-NAPHTHOL, SUBSTRATE GRADE extrapure
  • 4-Chloro-1-hydroxynaphthalene
  • 4-Chloro-1-naphthol, 97% 5GR
  • 4C1N/4-CN
  • DANSYL CHLORIDE ULTRA PURE GRADE
  • FAST RED TR SALT HIGH PURITY GRADE
  • 4-Chloro-1-naphthol, 97.5%
  • 4ClN, 4-chloronaphthalen-1-ol
  • 4-CHLORO-1-NAPHTHOL 99%
  • 4-CN(4-Chloro-1-naphthol )
  • Chloro-1-naphthol
  • 1-Naphthalenol, 4-chloro-
  • 4-Chloro-1-naphthol (4-CN)
  • 4-CHLORO-ALPHA-NAPHTHOL
  • CHLORONAPHTHOL
  • CHLORONAPTHOL
  • 1-CHLORO-4-HYDROXYNAPHTHALENE
  • 4-CN
  • 4CN PLUS
  • 4-CHLORO-1-NAPHTHOL
  • 4C1N
  • 4-chloronaphthalen-1-ol
  • 4-CHLORO-1-NAPHTHOL TABLET 30 MG,TRU-MEA SURE CHEMI
  • 4-CHLORO-1-NAPHTHOL, PACKAGE WITH 50 TAB LETS
  • 4-CHLORO-1-NAPHTHOL, FOR ANALYTICAL PURP OSES
  • 4-Chloro-1-Naphthol,>98%
  • 4-Chloro-1-naphthol,99%
  • 4-Chlor-1-naphthol
  • 4-Chloro-1-naphthol, 98%, reagent grade
  • 4-Chloro-1-naphthol &gt
  • 4-Chloro-1-naphthol [for Biochemical Research]&gt
  • Naphthol Impurity
  • 4-Chloro-1-naphthol, Chromogenic peroxidase substrate
  • 4-Chlorophthalen-1-ol
  • 604-44-4
  • C10H7OCL
  • ClC10H6OH
  • C10H6ClOH
  • C10H7ClO
  • Building Blocks
  • Biochemicals and Reagents
  • BioChemical
  • Organic Building Blocks
  • Fluorescent Enzyme Substrates for Electrophoresis
  • Fluorescent Enzyme Substrates
  • Fluorescent Probes, Labels, Particles and Stains
  • Enzyme Substrates
  • Enzymes, Inhibitors, and Substrates
  • Substrates by Enzyme
  • Phenols