| p-Xylene | |
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| Other names | p-Xylol 1,4-Dimethylbenzene |
| Identifiers | |
| CAS number | [106-42-3] |
| RTECS number | ZE2625000 |
| SMILES | CC1=CC=C(C)C=C1 |
| Properties | |
| Molecular formula | C8H10 |
| Molar mass | 106. CAS registry numbers are unique numerical identifiers for Chemical compounds Polymers biological sequences mixtures and Alloys They are also referred to Registry of Toxic Effects of Chemical Substances ( RTECS) is a Database of Toxicity information compiled from the open scientific literature without reference A chemical formula is a way of expressing information about the Atoms that constitute a particular Chemical compound, and how the relationship between those atoms changes Molar mass, symbol M, is the Mass of one mole of a substance ( Chemical element or Chemical compound) 16 g/mol |
| Appearance | Colorless liquid colorless crystalline solid |
| Density | 0. The density of a material is defined as its Mass per unit Volume: \rho = \frac{m}{V} Different materials usually have different 861 g/mL |
| Melting point | 13. The melting point of a solid is the temperature range at which it changes state from solid to Liquid. 2 °C, 286 K, 56 °F |
| Boiling point | 138. The boiling point of a liquid is the temperature at which the Vapor pressure of the liquid equals the environmental pressure surrounding the liquid 35 °C, 412 K, 281 °F |
| Solubility in water | insoluble |
| Solubility in ethanol | very soluble |
| Solubility in diethyl ether | very soluble |
| Refractive index (nD) | 1. Solubility is the characteristic Physical property referring to the ability of a given substance the Solute, to dissolve in a Solvent. Water is a common Chemical substance that is essential for the survival of all known forms of Life. Solubility is the characteristic Physical property referring to the ability of a given substance the Solute, to dissolve in a Solvent. Solubility is the characteristic Physical property referring to the ability of a given substance the Solute, to dissolve in a Solvent. Diethyl ether, also known as ether and ethoxyethane, is a clear colorless and highly Flammable liquid with a low Boiling point and a The refractive index (or index of Refraction) of a medium is a measure for how much the speed of light (or other waves such as sound waves is reduced inside the medium 49582 |
| Viscosity | 0. Viscosity is a measure of the resistance of a Fluid which is being deformed by either Shear stress or Extensional stress. 7385 cP at 0 °C 0. The poise (symbol P pwɑːz is the unit of dynamic Viscosity in the Centimetre gram second system of units. 6475 cP at 20 °C |
| Dipole moment | 0. The poise (symbol P pwɑːz is the unit of dynamic Viscosity in the Centimetre gram second system of units. In physics there are two kinds of dipoles ( Hellènic: di(s- = two- and pòla = pivot hinge An electric dipole is a 07 D |
| Hazards | |
| MSDS | External MSDS |
| MSDS | External MSDS |
| Main hazards | Harmful or fatal if swallowed. The debye (symbol D) is a non- SI, CGS unit of electrical dipole moment. A material safety data sheet ( MSDS) is a form containing data regarding the properties of a particular substance This page provides supplementary chemical data on ''p''-xylene. A material safety data sheet ( MSDS) is a form containing data regarding the properties of a particular substance Occupational safety and health is a cross-disciplinary area concerned with protecting the Safety, Health and welfare of people engaged in Vapor harmful. Flammable liquid and vapor. |
| NFPA 704 |  3 1 0 |
| R-phrases | R10 R20 R21 R36 R38 |
| S-phrases | S25 |
| Flash point | 25 °C |
| Related compounds | |
| Related aromatic hydrocarbons | benzene toluene o-xylene m-xylene |
| Supplementary data page | |
| Structure and properties | n, εr, etc. Symbolism The four divisions are typically color-coded with blue indicating level of Health Hazard, red indicating R-phrases (short for Risk Phrases) are defined in Annex III of European Union Directive 67/548/EEC: Nature of special risks attributed to dangerous R-phrases (short for Risk Phrases) are defined in Annex III of European Union Directive 67/548/EEC: Nature of special risks attributed to dangerous R-phrases (short for Risk Phrases) are defined in Annex III of European Union Directive 67/548/EEC: Nature of special risks attributed to dangerous R-phrases (short for Risk Phrases) are defined in Annex III of European Union Directive 67/548/EEC: Nature of special risks attributed to dangerous R-phrases (short for Risk Phrases) are defined in Annex III of European Union Directive 67/548/EEC: Nature of special risks attributed to dangerous R-phrases (short for Risk Phrases) are defined in Annex III of European Union Directive 67/548/EEC: Nature of special risks attributed to dangerous S-phrases are defined in Annex IV of European Union Directive 67/548/EEC: Safety advice concerning dangerous substances and preparations. S-phrases are defined in Annex IV of European Union Directive 67/548/EEC: Safety advice concerning dangerous substances and preparations. The flash point of a flammable liquid is the lowest Temperature at which it can form an ignitable mixture in air Benzene, or benzol, is an organic Chemical compound and a known Carcinogen with the molecular formula C 6 H 6 Toluene, also known as methylbenzene or phenylmethane, is a clear water -insoluble liquid with the typical smell of Paint thinners redolent of o -Xylene is an Aromatic Hydrocarbon, based on Benzene with two Methyl Substituents bonded to adjacent carbon atoms m -Xylene is an Aromatic Hydrocarbon, based on Benzene with two Methyl Substituents It is an isomer of ''o''-xylene This page provides supplementary chemical data on ''p''-xylene. This page provides supplementary chemical data on ''p''-xylene. The refractive index (or index of Refraction) of a medium is a measure for how much the speed of light (or other waves such as sound waves is reduced inside the medium Measurement The relative static permittivity εr can be measured for static Electric fields as follows first the Capacitance of a test |
| Thermodynamic data | Phase behaviour Solid, liquid, gas |
| Spectral data | UV, IR, NMR, MS |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references | |
p-Xylene is an aromatic hydrocarbon, based on benzene with two methyl substituents. This page provides supplementary chemical data on ''p''-xylene. This page provides supplementary chemical data on ''p''-xylene. Ultraviolet-visible spectroscopy or ultraviolet-visible spectrophotometry ( UV/ VIS) involves the Spectroscopy of Photons in the UV-visible Infrared spectroscopy (IR spectroscopy is the subset of Spectroscopy that deals with the Infrared region of the Electromagnetic spectrum. Nuclear magnetic resonance spectroscopy, most commonly known as NMR spectroscopy, is the name given to a technique which exploits the magnetic properties of certain nuclei Mass spectrometry is an analytical technique that identifies the chemical composition of a compound or sample based on the Mass-to-charge ratio of charged particles In Chemistry, the standard state of a material is its state at 1 bar (100 Kilopascals exactly Benzene, or benzol, is an organic Chemical compound and a known Carcinogen with the molecular formula C 6 H 6 In Chemistry, a methyl group is a Hydrophobic Alkyl Functional group named after Methane (4 In Organic chemistry, a substituent is an atom or group of atoms substituted in place of a Hydrogen atom on the Parent chain of a Hydrocarbon The “p” stands for para, identifying the location of the methyl groups as across from one another.
It is an isomer of xylene. o-Xylene|m-Xylene|p-XyleneThe term xylene or xylol refers to a mixture of three Benzene derivatives which is used as a Solvent in the Printing Other isomers include o-xylene and m-xylene. o -Xylene is an Aromatic Hydrocarbon, based on Benzene with two Methyl Substituents bonded to adjacent carbon atoms m -Xylene is an Aromatic Hydrocarbon, based on Benzene with two Methyl Substituents It is an isomer of ''o''-xylene p-Xylene is used on a large scale for the manufacture of terephthalic acid for polyester. Terephthalic acid is one Isomer of the three Phthalic acids. It finds important use as a Commodity chemical, principally as a starting compound Polyester is a category of Polymers which contain the Ester Functional group in their main chain Its polymer is known as parylene. A polymer is a large Molecule ( Macromolecule) composed of repeating Structural units typically connected by Covalent Chemical bonds Parylene is the tradename for a variety of Polyxylylene Polymers marketed by several providers including Kisco Conformal Coating LLC Para Tech Coating Inc
References
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