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634-66-2

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Basic Information
CAS No.: 634-66-2
Name: 1,2,3,4-Tetrachlorobenzene
Article Data: 55
Molecular Structure:
Molecular Structure of 634-66-2 (1,2,3,4-Tetrachlorobenzene)
Formula: C6H2 Cl4
Molecular Weight: 215.894
Synonyms: 1,2,3,4-Tetrachlorobenzene;NSC 50729
EINECS: 211-214-0
Density: 1.573 g/cm3
Melting Point: 44 °C
Boiling Point: 252 °C at 760 mmHg
Flash Point: 111.9 °C
Solubility: 5.92mg/L(25 oC)
Appearance: WHITE CRYSTALLINE SOLID
Hazard Symbols: HarmfulXn
Risk Codes: 22
Safety: Moderately toxic by ingestion. An experimental teratogen. Experimental reproductive effects. Irritant. Combustible liquid. When heated to decomposition it emits toxic fumes of Cl−. See also CHLORINATED HYDROCARBONS, AROMATIC.
Transport Information: 3077
PSA: 0.00000
LogP: 4.30020
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Chemistry

IUPAC Name: 1,2,3,4-Tetrachlorobenzene
The MF of 1,2,3,4-Tetrachlorobenzene (CAS NO.634-66-2) is C6H2Cl4.

                                 
The MW of 1,2,3,4-Tetrachlorobenzene (CAS NO.634-66-2) is 215.89.
Synonyms of 1,2,3,4-Tetrachlorobenzene (CAS NO.634-66-2): Benzene, 1,2,3,4-tetrachloro- ; 1,2,3,4-Tetrachlorobenzene solution ; 1,2,3,4-Tetrachlorbenzol 
Product Categories: Organics;Pesticides&Metabolites;Q-ZAlphabetic;Alpha Sort;TA - TE;T-ZAlphabetic;Volatiles/ Semivolatiles;Aryl;C6;Halogenated Hydrocarbons;Canada
Apperance: White to off-white crystals
Index of Refraction: 1.582
EINECS: 211-214-0
Density: 1.573 g/ml 
Flash Point: 111.9 °C
Boiling Point: 252 °C
Melting Point: 44 °C
Storage temp: 4 °C

Uses

  1,2,3,4-Tetrachlorobenzene (CAS NO.634-66-2) is used in organic synthesis, used as insulating fluids and transformer oil solidified inhibitors.

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD intraperitoneal > 500mg/kg (500mg/kg)   "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 4, Pg. 106, 1952.
rat LD50 oral 1167mg/kg (1167mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"		 Journal of Toxicology and Environmental Health. Vol. 11, Pg. 663, 1983.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Moderately toxic by ingestion. An experimental teratogen. Experimental reproductive effects. Irritant. Combustible liquid. When heated to decomposition it emits toxic fumes of Cl−. See also CHLORINATED HYDROCARBONS, AROMATIC.Safety information of 1,2,3,4-Tetrachlorobenzene (CAS NO.634-66-2):
Hazard Codes  HarmfulXn,ToxicT,FlammableF
Risk Statements 
22 Harmful if swallowed
39/23/24/25 Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed
11 Highly Flammable
Safety Statements 
22 Do not breathe dust
24/25 Avoid contact with skin and eyes
45 In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
16 Keep away from sources of ignition - No smoking
7 Keep container tightly closed
36/37
RIDADR  3077
WGK Germany  3
RTECS  DB9440000

Specification

Simple aromatic halogenated organic compounds, such as 1,2,3,4-Tetrachlorobenzene, are very unreactive. Reactivity generally decreases with increased degree of substitution of halogen for hydrogen atoms. Materials in this group may be incompatible with strong oxidizing and reducing agents. Also, they may be incompatible with many amines, nitrides, azo/diazo compounds, alkali metals, and epoxides.