4-Chlorocatechol
Names
[ CAS No. ]:
2138-22-9
[ Name ]:
4-Chlorocatechol
[Synonym ]:
4-Chloro-1,2-benzenediol
1,2-Benzenediol, 4-chloro-
4-chloropyrocatechol
1,2-dihydroxy 4-chlorobenzene
4-Chlorobenzene-1,2-diol
Pyrocatechol,4-chloro
EINECS 218-381-9
MFCD00059614
4-Chloro-1,2-dihydroxybenzene
1,2-Benzenediol,4-chloro
p-Cl-catechol
3,4-dihydroxychlorobenzene
4-Chlorbenzol-1,2-diol
4-Chlorocatechol
Biological Activity
[Description]:
[Related Catalog]:
[References]
Chemical & Physical Properties
[ Density]:
1.5±0.1 g/cm3
[ Boiling Point ]:
267.1±20.0 °C at 760 mmHg
[ Melting Point ]:
90-94 °C(lit.)
[ Molecular Formula ]:
C6H5ClO2
[ Molecular Weight ]:
144.556
[ Flash Point ]:
115.3±21.8 °C
[ Exact Mass ]:
143.997803
[ PSA ]:
40.46000
[ LogP ]:
2.15
[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C
[ Index of Refraction ]:
1.629
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- UX1490000
- CHEMICAL NAME :
- Pyrocatechol, 4-chloro-
- CAS REGISTRY NUMBER :
- 2138-22-9
- BEILSTEIN REFERENCE NO. :
- 1907691
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C6-H5-Cl-O2
- MOLECULAR WEIGHT :
- 144.56
- WISWESSER LINE NOTATION :
- QR BQ DG
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 75 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#07880
Safety Information
[ Symbol ]:
GHS05
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H314
[ Precautionary Statements ]:
P280-P305 + P351 + P338-P310
[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
[ Hazard Codes ]:
C: Corrosive;
[ Risk Phrases ]:
R34
[ Safety Phrases ]:
S26-S36/37/39-S45
[ RIDADR ]:
UN 1759 8/PG 2
[ WGK Germany ]:
3
[ RTECS ]:
UX1490000
[ Packaging Group ]:
II
[ HS Code ]:
2908199090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2908199090
[ Summary ]:
HS: 2908199090. derivatives of polyphenols or phenol-alcohols containing only halogen substituents and their salts. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tariff:5.5%. general tariff:30.0%
Articles
Sci. Total Environ. 505 , 39-46, (2014)
Aerobic degradation experiments of Triclosan were performed in activated sludge to identify possible transformation products for this compound. During 7 days, the formation of biotransformation produc...
Characterization of catechol 2,3-dioxygenase from Planococcus sp. strain S5 induced by high phenol concentration.Acta Biochim. Pol. 59(3) , 345-51, (2012)
This study aimed at characterization of a new catechol 2,3-dioxygenase isolated from a Gram-positive bacterium able to utilize phenol as the sole carbon and energy source. Planococcus sp. strain S5 gr...
Multistep conversion of para-substituted phenols by phenol hydroxylase and 2,3-dihydroxybiphenyl 1,2-dioxygenase.Appl. Biochem. Biotechnol. 169(7) , 2064-75, (2013)
A multistep conversion system of para-substituted phenols by recombinant phenol hydroxylase (PH(IND)) and 2,3-dihydroxybiphenyl 1,2-dioxygenase (BphC(LA-4)) was constructed in this study. Docking stud...