1,4-Dichlorobenzene - Materials / Alfa Chemistry

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1,4-Dichlorobenzene

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Catalog Number

ACMA00016763

Product Name

1,4-Dichlorobenzene

Category

Polymers

Description

P-dichlorobenzene appears as a white colored liquid with the odor of moth balls. Denser than water and insoluble in water. Flash point below 200°F. Used as a moth repellent, to make other chemicals, as a fumigant, and for many other uses.;OtherSolid; PelletsLargeCrystals;Solid;COLOURLESS-TO-WHITE CRYSTALS WITH CHARACTERISTIC ODOUR.;Colorless or white crystalline solid with a mothball-like odor.;Colorless or white crystalline solid with a mothball-like odor. [insecticide]

IUPAC Name

1,4-dichlorobenzene

Molecular Weight

147g/mol

Molecular Formula

C6H4Cl2;C6H4Cl2

Canonical SMILES

C1=CC(=CC=C1Cl)Cl

InChI

InChI=1S/C6H4Cl2/c7-5-1-2-6(8)4-3-5/h1-4H

InChI Key

OCJBOOLMMGQPQU-UHFFFAOYSA-N

Boiling Point

345 °F at 760 mm Hg (NTP, 1992);174.0 °C;173.9 °C;174 °C;345°F;345°F

Melting Point

127 °F (NTP, 1992);52.09 °C;53.1 °C;52.7°C;53 °C;128°F;128°F

Flash Point

150 °F (NTP, 1992);66.0 °C (150.8 °F) - closed cup;150 °F (66 °C) (closed cup);66 °C c.c.;150°F;150°F

Density

1.458 at 68 °F (USCG, 1999);1.2475 g/cu cm at 25 °C;1.2 g/cm³;Relative density of the vapour/air-mixture at 20 °C (air = 1): 1.01;1.458;1.25

Solubility

less than 1 mg/mL at 73° F (NTP, 1992);5.53e-04 M;In water, 81.3 mg/L at 25 °C;Practically insoluble in water;Soluble in chloroform, carbon disulfide, benzene, ether, alcohol;Miscible with ethanol, acetone, benzene; soluble in ethyl ether, chloroform;0.0813 mg/mL at 25 °C;Solubility in water, mg/l at 20 °C: 49 (practically insoluble);0.008%

Application

1,4-Dichlorobenzene, a chlorinated aromatic compound, serves multiple purposes primarily focused on odor control and pest management. It is the main component in mothballs and deodorant blocks used in places like garbage cans, restrooms, and animal holding facilities to manage odors effectively. Additionally, this compound is employed as an insecticide on fruits and for controlling mold and mildew on tobacco seeds, leather, and certain fabrics. In the realm of apiculture, it effectively controls wax moths in stored beehives. Beyond these applications, 1,4-Dichlorobenzene finds use in domestic environments for managing lice and mites in birdcages. Furthermore, it serves as a fumigant and intermediate in the production of plastics used in electronic components. Despite its practical usefulness, it is noteworthy that 1,4-Dichlorobenzene may release small amounts into the air, soil, and water, especially in areas where products containing it are utilized.

Color/Form

White crystals;Volatile crystals;White crystals or leaflets;Colorless or white crystalline solid

Complexity

54.9

Corrosivity

Non-corrosive

Covalently-Bonded Unit Count

EC Number

203-400-5

Exact Mass

145.969006g/mol

Formal Charge

Heat of Vaporization

49.0 kJ/mol at 25 °C

Heavy Atom Count

ICSC Number

0037

Log P

3.44 (LogP);log Kow = 3.44;3.44;3.37

MeSH Entry Terms

1,4-dichlorobenzene;4-dichlorobenzene;p-dichlorobenzene;para-dichlorobenzene;paradichlorobenzene

Monoisotopic Mass

145.969006g/mol

NSC Number

36935

Odor

Distinctive aromatic odor ... becomes very strong at concentrations between 30 and 60 ppm;Strong penetrating odor;Mothball-like odor

Other Experimental

Non-staining;Conversion factors: 1 mg/L = 166.3 ppm, 1 ppm = 6.01 mg/cu m at 25 °C, 760 mm Hg;Percent in saturated air: 0.2 (25 °C);Density: 1.4581 at 20.5 °C/4 °C;Heat of fusion = 18.19 kJ/mol at 53.09 °C;Liquid thermal conductivity = 0.122 W/mK at 50 °C;Dielectric constant = 2.3943 at 328.2 K;Dipole moment: 0;Heat Capacity of Liquid = 1.188 J/g;Heat of Formation of Liquid= -38.0 kJ/mol;Heat of Fusion = 123.8 J/g;Crystals sublime at ordinary temperatures;Henry's Law constant = 2.41X10-3 atm-cu m/mol at 20 °C;Hydroxyl radical reaction rate constant = 3.2X10-13 cu cm/molc-sec at 25 °C

Rotatable Bond Count

RTECS Number

CZ4550000

Stability

Stable under recommended storage conditions.

UNII

D149TYB5MK

UN Number

3077;3077;3077

Vapor Density

5.08 (NTP, 1992) (Relative to Air);5.08 (Air = 1);Relative vapor density (air = 1): 5.08;5.08

Vapor Pressure

0.6 mm Hg at 68 °F ; 1.8 mm Hg at 86° F (NTP, 1992);1.74 mmHg;1.74 mm Hg at 25 °C;Vapor pressure, Pa at 20 °C: 170;1.3 mmHg;1.3 mmHg

Viscosity

0.839 mPa.s at 55 °C; 0.668 mPa.s at 79 °C;0.73 mPa*s at 70 °C

XLogP3

3.4

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