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58-90-2

Basic Information
CAS No.: 58-90-2
Name: 2,3,4,6-Tetrachlorophenol
Article Data: 30
Molecular Structure:
Molecular Structure of 58-90-2 (2,3,4,6-Tetrachlorophenol)
Formula: C6H2Cl4O
Molecular Weight: 231.893
Synonyms: Phenol, 2,3,4,6-tetrachloro-;2,3,4,6-TETRACHLOROPHENOL;
Density: 1.709g/cm3
Melting Point: 63-66°C
Boiling Point: 267.7°Cat760mmHg
Flash Point: 115.7°C
Appearance: beige solid
Hazard Symbols: Toxic by ingestion and inhalation, strong irritant.
Risk Codes: R25; R36/38; R50/53
Safety: Suspected carcinogen with experimental carcinogenic and teratogenic data. Poison by ingestion, skin contact, intraperitoneal, and subcutaneous routes. Mutation data reported. When heated to decomposition it emits toxic fumes of Cl. Used as a disinfectant and a preservative for wood, latex, and leather. See also CHLOROPHENOLS.

Analytical Methods:

   

For occupational chemical analysis use OSHA: #45.

PSA: 20.23000
LogP: 4.00580
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Chemistry

Empirical Formula: C6H2Cl4O
Molecular Weight: 231.8915 g/mol
EINECS: 200-402-8 
Index of Refraction: 1.62
Density: 1.709 g/cm3
Flash Point: 115.7 °C
Enthalpy of Vaporization: 52.61 kJ/mol
Boiling Point: 267.7 °C at 760 mmHg
Vapour Pressure: 0.00487 mmHg at 25 °C 
Melting point: 63-66 °C
Storage tempreture: Approx 4 °C
Solubility: Insoluble in water
Appearance: Brown flakes or beige solid
Structure of 2,4,5,6-Tetrachlorophenol (CAS NO.58-90-2):
             
IUPAC Name: 2,3,4,6-Tetrachlorophenol
Product Categories of 2,4,5,6-Tetrachlorophenol (CAS NO.58-90-2): Pharmaceutical Raw Materials;Organics;Phenols Method Specific;Alpha Sort;Chemical Class;Halogenated;Phenols Volatiles/ Semivolatiles;Pesticides & Metabolites
 

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
gerbil LD50 oral 698mg/kg (698mg/kg)   Archives of Toxicology. Vol. 40, Pg. 63, 1978.
guinea pig LD50 oral 250mg/kg (250mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C299, 1991.
mouse LD50 intraperitoneal 82mg/kg (82mg/kg)   Archives of Toxicology. Vol. 40, Pg. 63, 1978.
mouse LD50 oral 131mg/kg (131mg/kg)   Archives of Toxicology. Vol. 40, Pg. 63, 1978.
rabbit LD50 skin 250mg/kg (250mg/kg)   "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 5, Pg. 129, 1959.
rat LD50 intraperitoneal 130mg/kg (130mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
LUNGS, THORAX, OR RESPIRATION: DYSPNEA
British Journal of Pharmacology and Chemotherapy. Vol. 13, Pg. 20, 1958.
rat LD50 oral 140mg/kg (140mg/kg)   "Industrial and Environmental Xenobiotics: Metabolism and Pharmacokinetics of Organic Chemicals and Metals, Proceedings of an International Conference, Prague, 1980," Gut, I., et al., Berlin, Fed. Rep, Ger., Springer-Verlag, 1981Vol. -, Pg. 389, 1981.
rat LD50 skin 485mg/kg (485mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
BEHAVIORAL: MUSCLE WEAKNESS
Bulletin of Environmental Contamination and Toxicology. Vol. 31, Pg. 680, 1983.
rat LDLo subcutaneous 210mg/kg (210mg/kg)   "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 5, Pg. 129, 1959.

Consensus Reports

IARC Cancer Review: Human Limited Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 41 ,1986,p. 319.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Chlorophenol compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.

Safety Profile

Suspected carcinogen with experimental carcinogenic and teratogenic data. Poison by ingestion, skin contact, intraperitoneal, and subcutaneous routes. Mutation data reported. When heated to decomposition it emits toxic fumes of Cl. Used as a disinfectant and a preservative for wood, latex, and leather. See also CHLOROPHENOLS.
Hazard Codes of 2,4,5,6-Tetrachlorophenol (CAS NO.58-90-2): ToxicT,DangerousN,FlammableF
Risk Statements: 25-36/38-50/53-52/53-39/23/24/25-23/24/25-11 
R11:Highly flammable. 
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed. 
R25 :Toxic if swallowed. 
R36/38:Irritating to eyes and skin. 
R39:Danger of very serious irreversible effects. 
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 26-28-37-45-60-61-36/37-16-7 
S7:Keep container tightly closed. 
S16:Keep away from sources of ignition. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S28:After contact with skin, wash immediately with plenty of soap-suds. 
S37:Wear suitable gloves. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S60:This material and its container must be disposed of as hazardous waste. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.

Analytical Methods

For occupational chemical analysis use OSHA: #45.

Specification

 2,4,5,6-Tetrachlorophenol ,its cas register number is 58-90-2. It also can be called 1-Hydroxy-2,3,4,6-tetrachlorobenzene ; Phenol, 2,3,4,6-tetrachloro- ; and 2,3,4,6-Tetrachlorophenol . It reacts as a weak organic acid and is incompatible with strong reducing substances such as hydrides, nitrides, alkali metals, and sulfides.