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| CAS No.: | 95-57-8 |
|---|---|
| Name: | o-Chlorophenol |
| Article Data: | 338 |
| Molecular Structure: | |
|
|
|
| Formula: | C6H5ClO |
| Molecular Weight: | 128.558 |
| Synonyms: | Phenol,o-chloro- (8CI);1-Chloro-2-hydroxybenzene;Phenol,2-chloro-;2-Hydroxychlorobenzene;NSC 2870;NSC 5725;o-Chlorophenic acid;o-Chlorophenol; |
| EINECS: | 202-433-2 |
| Density: | 1.287 g/cm3 |
| Melting Point: | 8 °C(lit.) |
| Boiling Point: | 175 °C at 760 mmHg |
| Flash Point: | 63.9 °C |
| Solubility: | 28.5 g/L (20 °C) in water |
| Appearance: | colourless to light brown liquid |
| Hazard Symbols: |
 Xn, N, T, F
|
| Risk Codes: | 20/21/22-51/53-39/23/24/25-23/24/25-11 |
| Safety: | 28-61-28A-45-36/37-16-7 |
| Transport Information: | UN 2021 6.1/PG 3 |
| PSA: | 20.23000 |
| LogP: | 2.04560 |
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Chemistry
Structure of 2-Chlorophenol (CAS NO.95-57-8):
IUPAC Name: 2-chlorophenol
Empirical Formula: C6H5ClO
Molecular Weight: 128.5563
EINECS: 202-433-2
Index of Refraction: 1.575
Molar Refractivity: 33.02 cm3
Molar Volume: 99.8 cm3
Polarizability: 13.09×10-24cm3
Surface Tension: 44.7 dyne/cm
Density: 1.287 g/cm3
Flash Point: 63.9 °C
Enthalpy of Vaporization: 42.82 kJ/mol
Melting Point: 8 °C(lit.)
Boiling Point: 175 °C at 760 mmHg
Vapour Pressure: 0.875 mmHg at 25°C
Water Solubility: 28.5 g/L (20 ºC)
Stability: Stable. Hygroscopic. Combustible. Incompatible with oxidizing agents, acid anhydrides, acid chlorides.
Physical Appearance: colourless to light brown liquid
Product Categories: Organics;Chloride chemicals;Organic Building Blocks;Oxygen Compounds;Phenols;Alpha sort;C;CAlphabetic;CH;Pesticides&Metabolites;Volatiles/ Semivolatiles
Uses
2-Chlorophenol (CAS NO.95-57-8) is used in medicine, pesticide and dyes and other organic synthetic materials.
Toxicity Data With Reference
| 1. | sln-ham:lng 800 µmol/L | MUREAV Mutation Research. 182 (1987),135. | ||
| 2. | orl-rat TDLo:4550 mg/kg (70 pre/1-21D preg):REP | EVHPAZ EHP, Environmental Health Perspectives. Subseries of DHEW Publications. 46 (1982),137. | ||
| 3. | skn-mus TDLo:4800 mg/kg/12 W-I:ETA | CNREA8 Cancer Research. 19 (1959),413. | ||
| 4. | orl-rat LD50:670 mg/kg | FEPRA7 Federation Proceedings, Federation of American Societies for Experimental Biology. 2 (1943),76. | ||
| 5. | ipr-rat LD50:230 mg/kg | BJPCAL British Journal of Pharmacology and Chemotherapy. 13 (1958),20. | ||
| 6. | scu-rat LD50:950 mg/kg | FEPRA7 Federation Proceedings, Federation of American Societies for Experimental Biology. 2 (1943),76. | ||
| 7. | orl-mus LD50:345 mg/kg | TOLED5 Toxicology Letters. 29 (1939,85. | ||
| 8. | ipr-mus LD50:235 mg/kg | JMCMAR Journal of Medicinal Chemistry. 18 (1975),868. | ||
| 9. | scu-rbt LDLo:950 mg/kg | HBAMAK “Abdernalden’s Handbuch der Biologischen Arbeitsmethoden.“ 4 (1935),1361. | ||
| 10. | ivn-rbt LDLo:120 mg/kg | HBTXAC |
Consensus Reports
Reported in EPA TSCA Inventory. Chlorophenol compounds are on the Community Right-To-Know List.
Safety Profile
Poison by ingestion, intraperitoneal, and intravenous routes. Experimental reproductive effects. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. Flammable liquid when exposed to heat, flame, or oxidizers. To fight fire, use alcohol foam. When heated to decomposition it emits toxic fumes of Cl−. See also CHLOROPHENOLS and CHLORIDES.
The Hazard Codes of 2-CHLOROPHENOL(95-57-8):
Xn, 
N, 
T,
F
HazardClass: 6.1
The Risk Statements information of 2-Chlorophenol (CAS NO.95-57-8):
11: Highly Flammable
20/21/22: Harmful by inhalation, in contact with skin and if swallowed
23/24/25: Toxic by inhalation, in contact with skin and if swallowed
39/23/24/25: Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed
51/53: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
The Safety Statements information of 2-Chlorophenol (CAS NO.95-57-8):
7: Keep container tightly closed
16: Keep away from sources of ignition - No smoking
28:After contact with skin, wash immediately with plenty of soap-suds.
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
61: Avoid release to the environment. Refer to special instructions safety data sheet
36/37: Wear suitable protective clothing and gloves
RIDADR: UN 2021 6.1/PG 3
WGK Germany: 2
RTECS: SK2625000
F: 9
Specification
2-Chlorophenol , its cas register number is 64058-30-6. It also can be called 2-Chloro-1-hydroxybenzene ; 2-Hydroxychlorobenzene ; EPA Pesticide Chemical Code 062204 ; Pine-O Disinfectant ; RCRA waste number U048 ; Septi-Kleen ; o-Chlorophenic acid ; o-Chlorphenol ; p-Chlorfenol .