ChemicalBook > CAS DataBase List > 4-Chlorobenzene-1,2-diol

4-Chlorobenzene-1,2-diol

Product Name
4-Chlorobenzene-1,2-diol
CAS No.
2138-22-9
Chemical Name
4-Chlorobenzene-1,2-diol
Synonyms
AIDS-017780;Chlorocatechol;4-CHLOROCATECHOL;4-CHLOROCATHECOL;4-chloro-pyrocatecho;4-MONOCHLOROCATECHOL;4-Chlorocatechol 97%;4-Chlorocatechol >Glycerol Impurity 76;4-CHLOROCATECHOL 98+%
CBNumber
CB2668875
Molecular Formula
C6H5ClO2
Formula Weight
144.56
MOL File
2138-22-9.mol
More
Less

4-Chlorobenzene-1,2-diol Property

Melting point:
90-94 °C (lit.)
Boiling point:
140°C 10,5mm
Density 
1.2558 (rough estimate)
refractive index 
1.4620 (estimate)
storage temp. 
Inert atmosphere,Room Temperature
solubility 
Chloroform (Slightly), Methanol (Slightly)
form 
powder to crystal
pka
8.84±0.10(Predicted)
color 
White to Light yellow to Light orange
InChIKey
WWOBYPKUYODHDG-UHFFFAOYSA-N
CAS DataBase Reference
2138-22-9(CAS DataBase Reference)
More
Less

Safety

Hazard Codes 
C
Risk Statements 
34
Safety Statements 
26-36/37/39-45
RIDADR 
UN 1759 8/PG 2
WGK Germany 
3
RTECS 
UX1490000
HazardClass 
8
PackingGroup 
II
HS Code 
29081990
More
Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

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

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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

P363Wash contaminated clothing before reuse.

More
Less

N-Bromosuccinimide Price

Sigma-Aldrich
Product number
148520
Product name
4-Chlorocatechol
Purity
97%
Packaging
1g
Price
$124
Updated
2024/03/01
TCI Chemical
Product number
C0568
Product name
4-Chlorocatechol
Purity
>98.0%(GC)
Packaging
5g
Price
$192
Updated
2024/03/01
TCI Chemical
Product number
C0568
Product name
4-Chlorocatechol
Purity
>98.0%(GC)
Packaging
25g
Price
$574
Updated
2024/03/01
TRC
Product number
C381100
Product name
4-Chloropyrocatechol
Packaging
10g
Price
$800
Updated
2021/12/16
ApexBio Technology
Product number
C6907
Product name
4-Chlorocatechol
Packaging
500mg
Price
$50
Updated
2021/12/16
More
Less

4-Chlorobenzene-1,2-diol Chemical Properties,Usage,Production

Uses

4-chlorocatechol was a major degradation product of 4-chloro-2-aminophenol (4C2AP)1. The degradation of 4-chlorocatechol was catalyzed by cphA-I enzyme2.

Definition

ChEBI: A chlorocatechol that is catechol substituted by a chloro group at position 4.

Synthesis Reference(s)

Tetrahedron Letters, 33, p. 865, 1992 DOI: 10.1016/S0040-4039(00)91561-2

General Description

4-chlorocatechol was a major degradation product of 4-chloro-2-aminophenol (4C2AP). The degradation of 4-chlorocatechol was catalyzed by cphA-I enzyme.

4-Chlorobenzene-1,2-diol Preparation Products And Raw materials

Raw materials

Preparation Products

More
Less

4-Chlorobenzene-1,2-diol Suppliers

J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
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
44689
Advantage
61
Capot Chemical Co., Ltd
Tel
+86 (0) 571 85 58 67 18
Fax
0086-571-85864795
Email
sales@capotchem.com
Country
China
ProdList
18207
Advantage
66
Adamas Reagent, Ltd.
Tel
400-6009262 16621234537
Fax
021-64823266
Email
chenyj@titansci.com
Country
China
ProdList
14103
Advantage
59
Nanjing Chemlin Chemical Co., Ltd
Tel
025-83697070
Fax
+86-25-83453306
Email
info@chemlin.com.cn
Country
China
ProdList
19172
Advantage
64
Shandong Xiya Chemical Co., Ltd
Tel
4009903999 13355009207
Fax
0539-6365991
Email
3007715519@qq.com
Country
China
ProdList
18738
Advantage
57
Nanjing Vital Chemical Co., Ltd.
Tel
Please Send Email 18652950785
Fax
025-87193546
Email
chemweiao@163.com
Country
China
ProdList
4378
Advantage
65
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Tel
025-66099280 17798518460
Fax
(1)02557626880
Email
cfzhang@aikonchem.com
Country
China
ProdList
19915
Advantage
55
TOKYO CHEMICAL INDUSTRY CO., LTD.
Tel
03-36680489
Fax
03-3668-0520
Email
Sales-JP@TCIchemicals.com
Country
Japan
ProdList
28387
Advantage
80
More
Less

View Lastest Price from 4-Chlorobenzene-1,2-diol manufacturers

Career Henan Chemical Co
Product
4-Chlorobenzene-1,2-diol 2138-22-9
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
100kg
Release date
2019-07-11

2138-22-9, 4-Chlorobenzene-1,2-diolRelated Search:


  • 4-CHLORO-1,2-DIHYDROXYBENZENE
  • 4-CHLOROCATHECOL
  • 4-CHLOROCATECHOL
  • 4-chloro-2-benzenediol
  • 4-chloro-pyrocatecho
  • Chlorocatechol
  • AIDS-017780
  • 4-MONOCHLOROCATECHOL
  • 4-CHLOROCATECHOL 98+%
  • 4-Chlorobenzene-1,2-diol
  • 2-Hydroxy-4-chlorophenol
  • 4-Chloro-2-hydroxyphenol
  • 4-Chlorocatechol 97%
  • 4-Chlorocatechol &gt
  • 1,2-Benzenediol, 4-chloro-
  • Glycerol Impurity 76
  • 4-Chlorocatechol in isopropanol
  • C11395300 4-Chlorocatechol
  • 2138-22-9
  • C6H5ClO2
  • Organic Building Blocks
  • Polyols
  • Oxygen Compounds
  • Building Blocks
  • Benzenes
  • Organic Building Blocks
  • Oxygen Compounds
  • Polyols
  • Phenol&Thiophenol&Mercaptan
  • Heterocyclic Compounds