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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
Molecular Weight:
144.56
MDL Number:
MFCD00059614
MOL File:
2138-22-9.mol
MSDS File:
SDS
Last updated:2023-06-08 17:06:36

4-Chlorobenzene-1,2-diol Properties

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)
FDA UNII I01EXU3P3J

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS05
Signal word  Danger
Hazard statements  H314
Precautionary statements  P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363
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
NFPA 704
0
3 0

4-Chlorobenzene-1,2-diol price More Price(17)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 148520 4-Chlorocatechol 97% 2138-22-9 1g $124 2024-03-01 Buy
TCI Chemical C0568 4-Chlorocatechol >98.0%(GC) 2138-22-9 5g $192 2024-03-01 Buy
TCI Chemical C0568 4-Chlorocatechol >98.0%(GC) 2138-22-9 25g $574 2024-03-01 Buy
TRC C381100 4-Chloropyrocatechol 2138-22-9 10g $800 2021-12-16 Buy
American Custom Chemicals Corporation HCH0013158 4-CHLOROCATECHOL 95.00% 2138-22-9 1G $698.91 2021-12-16 Buy
Product number Packaging Price Buy
148520 1g $124 Buy
C0568 5g $192 Buy
C0568 25g $574 Buy
C381100 10g $800 Buy
HCH0013158 1G $698.91 Buy

4-Chlorobenzene-1,2-diol Chemical Properties,Uses,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

Global( 127)Suppliers
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View Lastest Price from 4-Chlorobenzene-1,2-diol manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-Chlorobenzene-1,2-diol pictures 2019-07-12 4-Chlorobenzene-1,2-diol
2138-22-9
US $1.00 / KG 1KG 99% 100kg Career Henan Chemical Co
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 > 1,2-Benzenediol, 4-chloro- Glycerol Impurity 76 2138-22-9 C6H5ClO2 Organic Building Blocks Polyols Oxygen Compounds Building Blocks Benzenes Organic Building Blocks Oxygen Compounds Polyols Phenol&Thiophenol&Mercaptan Heterocyclic Compounds