PRODUCTS

BENZENE, 1,2,4,5-TETRAMETHYL

Benzene, 1,2,4,5-tetramethyl is used in the manufacture of some raw materials for engineering plastics (polyimides) and cross-linking agent for alkyd resins.
Benzene, 1,2,4,5-tetramethyl is also employed as a starting material in the synthesis of specialty aromatic chemicals, fine chemicals, and functional intermediates.
Benzene, 1,2,4,5-tetramethyl is also used in research laboratories as a model aromatic hydrocarbon for studying electrophilic substitution mechanisms, oxidation reactions, catalytic transformations, crystallography, and molecular symmetry.

CAS Number: 95-93-2
EC Number: 202-465-7
Molecular Formula: C₁₀H₁₄
Molecular Weight: 134.22 g/mol

SYNONYMS:
Durene, 1,2,4,5-Tetramethylbenzene, 1,2,4,5-Tetramethylbenzene, Durol, Durene, Durol, 1,2,4,5-Tetramethylbenzene, p-Xylene, 2,5-dimethyl-, 1,2,4,5-tetramethyl-benzen, 2,5-dimethyl-p-xylen, 1,2,4,5-Tetramethylbenzene, 97+%, 1,2,4,5-Tetramethylbenzene Zone Refined (number of passes:23), Durene,1,2,4,5-Tetramethylbenzene, Durene 5g [95-93-2], 1,2,4,5-Tetramethylbenzene,1,2,4,5-Tetramethylbenzene, Durene, 1,2,4,5-Tetramethylb, DURENE, DUROL, 1,2,4,5-TETRAMETHYLBENZENE (DURENE), 1,2,4,5-TetramethyL, 1,2,4,5-TERAMETHYLBENZENE, benzene,1,2,4,5-tetramethyl-, Durol[R], 1.2.4.5-TetraM, Thymol Impurity?40, 1,2,4,5-Tetramethylb, 1,2,3,5-TETRAMETHYLBENZENE, 527-53-7, Isodurene, Benzene, 1,2,3,5-tetramethyl-, 1,3,4,5-Tetramethylbenzene, DTXSID6026119, 0JBI5Y5A5Z, NSC-8091, DTXCID706119, RefChem:791853, 208-417-1, MFCD00008524, 1,2,3,5-tetramethyl-benzene, NSC 8091, EINECS 208-417-1, UNII-0JBI5Y5A5Z, CCRIS 8661, Tetramethylbenzene, 1,2,3,5-, ISODURENE [MI], 1,3,5-Tetramethylbenzene, SCHEMBL28951, SCHEMBL41001, SCHEMBL97139, Benzene,2,3,5-tetramethyl-, SCHEMBL395136, SCHEMBL395719, SCHEMBL432545, orb3023717, SCHEMBL1264076, SCHEMBL8688289, CHEMBL1797133, NSC8091, Tox21_302230, 1,2,3,5-TETRAMETHLYBENZENE, MSK001944, SBB061132, TN9290, AKOS009031098, MSK001944-1000M, NCGC00255396-01, 1,2,3,5-Tetramethylbenzene, AldrichCPR, BS-51250, CAS-527-53-7, SY051745, CS-0453350, NS00009847, ST51047189, F21292, F774412, Q24819115, 1,2,3,5-Tetramethylbenzene Solution in Methanol, 1000ug/mL, InChI=1/C10H14/c1-7-5-8(2)10(4)9(3)6-7/h5-6H,1-4H, 1,2,4,5-Tetramethylbenzene, DURENE, DUROL, sym-Tetramethylbenzene, 1,2,4,5-tetramethyl-benzen, 2,5-dimethyl-p-xylen, benzene,1,2,4,5-tetramethyl-, I,i,4,5-Tetramcthylben~oiaG, Durol[R], durene,1,2,4,5-tetramethylbenzene,durol, 1,2,4,5-TERAMETHYLBENZENE, 1,2,4,5-Tetramethylbenzol, 1,2,4,5-TETRAMETHYLBENZENE (DURENE), 1,2,4,5-Tetramethylbenzene Zone Refined (number of passes:23), 1,2,4,5-Tetramethylbenzoate, 2,5-Dimethyl-p-xylene, 1,2,4,5-tetramethyl-benzene, 1,2,4,5-Tetramethylbenzene1000µg, Benzene, 1,2,4,5-tetramethyl

Benzene, 1,2,4,5-tetramethyl, or Durene, is an organic compound with the formula C6H2(CH3)4.
Benzene, 1,2,4,5-tetramethyl is a colourless solid with a sweet odor.
Benzene, 1,2,4,5-tetramethyl is classified as an alkylbenzene.

Benzene, 1,2,4,5-tetramethyl is one of three isomers of tetramethylbenzene, the other two being prehnitene (1,2,3,4-tetramethylbenzene) and isodurene (1,2,3,5-tetramethylbenzene).
Benzene, 1,2,4,5-tetramethyl has an unusually high melting point (79.2 °C), reflecting its high molecular symmetry.

Benzene, 1,2,4,5-tetramethyl is a versatile aromatic hydrocarbon extensively employed in various industrial applications.
This colorless, non-toxic, and faintly scented compound, Benzene, 1,2,4,5-tetramethyl, boasts a low vapor pressure and remarkable solubility in numerous organic solvents.
Benzene, 1,2,4,5-tetramethyl’s significance in industry lies in its use for producing lubricants, fuel additives, and as an additive for coatings in plastics and rubber manufacturing.

Moreover, Benzene, 1,2,4,5-tetramethyl serves as a solvent for various organic compounds, such as dyes and pigments.
Beyond industrial applications, Benzene, 1,2,4,5-tetramethyl finds utility in laboratory experiments, particularly in the synthesis of organic compounds and in studying biochemical effects.

The precise mechanism of action of Benzene, 1,2,4,5-tetramethyl remains partially understood, but it is believed to arise from its interactions with various organic compounds.
Notably, Benzene, 1,2,4,5-tetramethyl can form complexes with diverse organic molecules, including proteins and nucleic acids.
Benzene, 1,2,4,5-tetramethyl (C10H14) is an aromatic hydrocarbon.

At room temperature, Benzene, 1,2,4,5-tetramethyl exists as a colorless to pale yellow crystalline solid with a mild, sweet, chloroform-like odor.
Benzene, 1,2,4,5-tetramethyl's melting point is approximately 79 °C and boiling point around 197 °C.
Benzene, 1,2,4,5-tetramethyl is sparingly soluble in water but miscible with common organic solvents such as ethanol and ether.

First synthesized in 1875 by Adolf von Baeyer via exhaustive methylation of hydroquinone followed by dehydrogenation and aromatization, Benzene, 1,2,4,5-tetramethyl—also known as Benzene, 1,2,4,5-tetramethyl—is one of the three isomeric tetramethylbenzenes.
Benzene, 1,2,4,5-tetramethyl's industrial significance stems primarily from its role as a precursor to pyromellitic dianhydride (PMDA), a key monomer in high-performance polyimide polymers used in aerospace, microelectronics, and flexible printed circuits.

Benzene, 1,2,4,5-tetramethyl also serves as a solvent, catalyst ligand scaffold, and intermediate in specialty dye synthesis.
Benzene, 1,2,4,5-tetramethyl occurs naturally in coal tar and certain essential oils, notably in small quantities in cumin and turmeric, though commercial supplies are almost exclusively synthetic.

Industrially, Benzene, 1,2,4,5-tetramethyl is prepared by catalytic alkylation of p-xylene or pseudocumene with methanol over solid acid catalysts such as zeolites (e.g., ZSM-5) at 300–400 °C and moderate pressure, followed by fractional crystallization to isolate the highly symmetric Benzene, 1,2,4,5-tetramethyl isomer.
Benzene, 1,2,4,5-tetramethyl is a white to brown semi-transparent crystals
Benzene, 1,2,4,5-tetramethyl is a colorless crystals or scales with a camphor-like odor

Benzene, 1,2,4,5-tetramethyl is a tetramethylbenzene carrying methyl groups at positions 1, 2, 4 and 5.
Benzene, 1,2,4,5-tetramethyl is a colorless crystals with a camphor-like odor.
Benzene, 1,2,4,5-tetramethyl is insoluble in water.
Benzene, 1,2,4,5-tetramethyl, also known as pseudocumene, is a versatile aromatic hydrocarbon with a unique structure that makes it valuable in various industrial applications.

USES and APPLICATIONS of BENZENE, 1,2,4,5-TETRAMETHYL:
Benzene, 1,2,4,5-tetramethyl is primarily used as an industrial intermediate in the production of pyromellitic dianhydride (PMDA) through catalytic oxidation.
PMDA is an essential raw material for manufacturing high-performance polyimides, heat-resistant engineering plastics, electrical insulation materials, flexible electronic circuits, aerospace composites, and advanced adhesives.
This represents the largest commercial application of Benzene, 1,2,4,5-tetramethyl worldwide.

Benzene, 1,2,4,5-tetramethyl is the precursor to pyromellitic dianhydride, which is used for manufacturing curing agents, adhesives, coating materials.
Benzene, 1,2,4,5-tetramethyl is used in the manufacture of some raw materials for engineering plastics (polyimides) and cross-linking agent for alkyd resins.
Benzene, 1,2,4,5-tetramethyl is also employed as a starting material in the synthesis of specialty aromatic chemicals, fine chemicals, and functional intermediates.

Organic chemists utilize Benzene, 1,2,4,5-tetramethyl because its symmetrical substitution pattern allows controlled oxidation and substitution reactions, facilitating the preparation of complex aromatic molecules with predictable reaction pathways.
In the polymer industry, derivatives of Benzene, 1,2,4,5-tetramethyl contribute to the manufacture of high-temperature resins, specialty coatings, epoxy curing systems, laminates, and high-performance composite materials.

The excellent thermal stability of Benzene, 1,2,4,5-tetramethyl‘s oxidation products makes them particularly valuable for electronic components operating under elevated temperatures.
Benzene, 1,2,4,5-tetramethyl is also used in research laboratories as a model aromatic hydrocarbon for studying electrophilic substitution mechanisms, oxidation reactions, catalytic transformations, crystallography, and molecular symmetry.

Because of its well-defined molecular geometry, Benzene, 1,2,4,5-tetramethyl serves as a useful reference compound in physical chemistry, spectroscopy, and materials science.
Uses of Benzene, 1,2,4,5-tetramethyl: Plasticizers; polymers; fibers; organic synthesis.
Benzene, 1,2,4,5-tetramethyl is used in method for reducing odor in room in remodeling work by removing causative substances.

In specialty chemical manufacturing, Benzene, 1,2,4,5-tetramethyl functions as a precursor for dyes, pigments, plastic additives, antioxidants, and custom organic synthesis intermediates.
Although its direct commercial applications are relatively specialized, Benzene, 1,2,4,5-tetramethyl‘s derivatives play significant roles in numerous advanced industrial sectors, including electronics, automotive materials, aerospace engineering, and high-performance polymer production.

Benzene, 1,2,4,5-tetramethyl is characterized by its high boiling point and excellent solvency properties, making it an ideal solvent for paints, coatings, and adhesives.
Benzene, 1,2,4,5-tetramethyl‘s ability to dissolve a wide range of organic materials enhances its utility in formulations requiring effective solvent action.
Additionally, Benzene, 1,2,4,5-tetramethyl is utilized in the production of specialty chemicals and as a precursor in the synthesis of various compounds, including fragrances and flavoring agents, due to its pleasant aromatic profile.

In the field of research, Benzene, 1,2,4,5-tetramethyl serves as a model compound for studying the behavior of polycyclic aromatic hydrocarbons and their interactions in environmental studies.
Benzene, 1,2,4,5-tetramethyl‘s unique properties allow researchers to explore its potential in advanced materials and nanotechnology applications.
With its combination of solvency, stability, and aromatic characteristics, Benzene, 1,2,4,5-tetramethyl stands out as a valuable compound for both industrial and research purposes.

BENEFITS of BENZENE, 1,2,4,5-TETRAMETHYL:
The highly symmetrical molecular structure of Benzene, 1,2,4,5-tetramethyl provides exceptional thermal stability and a relatively high melting point among alkylbenzenes.
Benzene, 1,2,4,5-tetramethyl serves as one of the most important industrial precursors for pyromellitic dianhydride, enabling the production of advanced polyimide materials with outstanding heat resistance and mechanical strength.
Benzene, 1,2,4,5-tetramethyl exhibits excellent chemical stability during storage and processing, making it suitable for large-scale industrial synthesis.

Benzene, 1,2,4,5-tetramethyl’s low volatility minimizes evaporative losses, while its compatibility with many organic solvents facilitates processing and purification.
Benzene, 1,2,4,5-tetramethyl also offers predictable chemical reactivity, allowing efficient oxidation and functionalization of its methyl substituents to produce valuable aromatic intermediates.
These characteristics make Benzene, 1,2,4,5-tetramethyl an important building block in the manufacture of specialty polymers, engineering plastics, electronic materials, and fine chemicals.

PRODUCTION of BENZENE, 1,2,4,5-TETRAMETHYL:
Benzene, 1,2,4,5-tetramethyl is a component of coal tar and was first prepared from pseudocumene in 1870.
Benzene, 1,2,4,5-tetramethyl is produced by methylation of other methylated benzene compounds such as p-xylene and pseudocumene.
C6H4(CH3)2 + 2 CH3Cl → C6H2(CH3)4 + 2 HCl

In industry, a mixture of xylenes and trimethylbenzenes is alkylated with methanol.
Benzene, 1,2,4,5-tetramethyl can be separated from its isomers by selective crystallization, exploiting its high melting point.
The original synthesis of Benzene, 1,2,4,5-tetramethyl involved a similar reaction starting from toluene.
Benzene, 1,2,4,5-tetramethyl is a significant byproduct of the production of gasoline from methanol via the "MTG (Methanol to Gasoline) process".

REACTIONS AND USES of BENZENE, 1,2,4,5-TETRAMETHYL:
Benzene, 1,2,4,5-tetramethyl is a relatively easily oxidized benzene derivative, with E1/2 of 2.03 V vs NHE.
Benzene, 1,2,4,5-tetramethyl’s nucleophilicity is comparable to that of phenol.
Benzene, 1,2,4,5-tetramethyl is readily halogenated on the ring for example.

Nitration gives the dinitro derivative, a precursor to duroquinone.
In industry, Benzene, 1,2,4,5-tetramethyl is the precursor to pyromellitic dianhydride, which is used for manufacturing curing agents, adhesives, coating materials.

With a simple proton NMR spectrum comprising two signals due to the 2 aromatic hydrogens (2H) and four methyl groups (12H), Benzene, 1,2,4,5-tetramethyl is used as an internal standard.
Benzene, 1,2,4,5-tetramethyl is the precursor to pyromellitic dianhydride, which is used for manufacturing curing agents, adhesives, coating materials.
Benzene, 1,2,4,5-tetramethyl is used in the manufacture of some raw materials for engineering plastics (polyimides) and cross-linking agent for alkyd resins.

SOLUBILITY of BENZENE, 1,2,4,5-TETRAMETHYL:
Benzene, 1,2,4,5-tetramethyl is soluble in alcohol, ether, benzene, and acetone.
Benzene, 1,2,4,5-tetramethyl is insoluble in water.

NOTES of BENZENE, 1,2,4,5-TETRAMETHYL:
Keep Benzene, 1,2,4,5-tetramethyl container tightly sealed.
Store Benzene, 1,2,4,5-tetramethyl in cool, dry conditions in well sealed containers.
Benzene, 1,2,4,5-tetramethyl is incompatible with oxidizing agents.

REACTIVITY PROFILE of BENZENE, 1,2,4,5-TETRAMETHYL:
Vigorous reactions, sometimes amounting to explosions, can result from the contact between aromatic hydrocarbons, such as Benzene, 1,2,4,5-tetramethyl, and strong oxidizing agents.
They can react exothermically with bases and with diazo compounds.
Substitution at the benzene nucleus occurs by halogenation (acid catalyst), nitration, sulfonation, and the Friedel-Crafts reaction.

SYNTHESIS of BENZENE, 1,2,4,5-TETRAMETHYL:
Even Benzene, 1,2,4,5-tetramethyl is one of the components of coal tar, originally prepared from metatrimethylbenzene in 1870.
Benzene, 1,2,4,5-tetramethyl is obtained by the methylation reaction of other toluene, such as p-xylene or meta-trimethylbenzene.
C6H4(CH3)2 + 2CH3Cl → C6H2(CH3)4 + 2 HCl

Industrially produced using the alkylation reaction of xylene with trimethylbenzene and methanol.
Homotetramethylene can be selectively crystallized from its isomers based on its high melting point.
Primitive syntheses include similar reactions with toluene as a feedstock.

PURIFICATION METHODS of BENZENE, 1,2,4,5-TETRAMETHYL:
Chromatograph Benzene, 1,2,4,5-tetramethyl on alumina, and recrystallise it from aqueous EtOH or *benzene.
Zone-refining removes duroaldehydes.
Dry Benzene, 1,2,4,5-tetramethyl under vacuum.
Benzene, 1,2,4,5-tetramethyl has also been sublimed in vacuo.

PROPERTIES and CHARACTERISTICS of BENZENE, 1,2,4,5-TETRAMETHYL:
Benzene, 1,2,4,5-tetramethyl possesses a highly symmetrical molecular arrangement that contributes to its unusually high melting point compared with other tetramethylbenzene isomers.
The symmetrical substitution pattern allows efficient crystal packing, making Benzene, 1,2,4,5-tetramethyl a valuable compound in applications requiring thermal stability and well-defined crystallization behavior.

Benzene, 1,2,4,5-tetramethyl is chemically stable under ordinary industrial conditions and demonstrates excellent resistance to mild acids, alkalis, and moisture.
Like most alkylbenzenes, Benzene, 1,2,4,5-tetramethyl readily undergoes electrophilic aromatic substitution reactions such as nitration, sulfonation, halogenation, and Friedel–Crafts reactions.

Controlled oxidation of Benzene, 1,2,4,5-tetramethyl‘s methyl groups produces aromatic polycarboxylic acids and anhydrides, particularly pyromellitic dianhydride, one of its most important industrial derivatives.
Benzene, 1,2,4,5-tetramethyl exhibits low polarity, very limited water solubility, and excellent compatibility with non-polar organic solvents.

Benzene, 1,2,4,5-tetramethyl‘s relatively high boiling point and low vapor pressure reduce evaporative losses during industrial processing.
Because of its aromatic ring and multiple methyl substituents, Benzene, 1,2,4,5-tetramethyl demonstrates good thermal and oxidative stability, making it suitable for demanding chemical synthesis processes.

Benzene, 1,2,4,5-tetramethyl is valued in industrial chemistry because its four methyl groups can be selectively oxidized or functionalized, allowing the preparation of numerous high-value aromatic intermediates.
Its consistent molecular structure also makes Benzene, 1,2,4,5-tetramethyl useful as a reference material in analytical chemistry and research laboratories.

PHYSICAL and CHEMICAL PROPERTIES of BENZENE, 1,2,4,5-TETRAMETHYL:
Appearance: White crystalline solid
Odor: Mild aromatic hydrocarbon odor
Molecular Formula: C₁₀H₁₄
Molecular Weight: 134.22 g/mol
CAS Number: 95-93-2
EC Number: 202-465-7
Melting Point: 79–80°C
Boiling Point: 196–198°C
Density: Approximately 0.98 g/cm³ (20°C)
Flash Point: Approximately 71°C (Closed Cup)

Autoignition Temperature: Approximately 480°C
Vapor Pressure: Low (approximately 0.2–0.3 mmHg at 25°C)
Water Solubility: Practically insoluble in water
Solubility: Soluble in benzene, toluene, xylene, diethyl ether, acetone, chloroform,
carbon disulfide, and many other organic solvents
Physical State: Crystalline solid
Color: White to colorless crystals
Crystal Structure: Highly symmetrical aromatic crystal
Refractive Index: Approximately 1.525
Log Kow: Approximately 4.3–4.5

Partition Coefficient: Indicates significant lipophilicity
Volatility: Low at ambient temperature
Vapor Density: Heavier than air
Combustibility: Combustible organic compound
Stability: Stable under normal storage and handling conditions
Light Stability: Good; prolonged UV exposure may slowly promote oxidation
Air Stability: Stable but may slowly oxidize under prolonged exposure
Chemical Family: Alkyl-substituted aromatic hydrocarbon (alkylbenzene)

Chemical Name: Benzene, 1,2,4,5-tetramethyl
Common Name: Durene
IUPAC Name: 1,2,4,5-Tetramethylbenzene
CAS Number: 95-93-2
EC Number: 202-465-7
Molecular Formula: C₁₀H₁₄
Molecular Weight: 134.22 g/mol
CAS: 95-93-2
IUPAC Name: 1,2,4,5-tetramethylbenzene
Molecular Formula: C10H14
InChI Key: SQNZJJAZBFDUTD-UHFFFAOYSA-N

SMILES: CC1=CC(C)=C(C)C=C1C
Molecular Weight (g/mol): 134.22
Appearance (Color): White
Identification (FTIR): Conforms
Melting Point (clear melt): 76-82°C
Form: Chunks or powder
Assay (GC): ≥97.0%
Molecular Formula / Molecular Weight: C10H14 = 134.22
Physical State (20 deg.C): Solid
Storage Temperature: Room Temperature (Recommended in a cool and dark place, <15°C)

CAS RN: 95-93-2
Reaxys Registry Number: 1903393
PubChem Substance ID: 87576578
SDBS (AIST Spectral DB): 2364
Merck Index (14): 3468
MDL Number: MFCD00008528
Linear Formula: C6H2(CH3)4
CAS Number: 95-93-2
Molecular Weight: 134.22
NACRES: NA.22
PubChem Substance ID: 24900002
eCl@ss: 39011404

UNSPSC Code: 12352100
EC Number: 202-465-7
MDL number: MFCD00008528
Beilstein/REAXYS Number: 1903393
Assay: 95%
Physical state: crystals
Color: No data available
Odor: No data available
Melting point/freezing point: Melting point/range: 76 - 80 °C - lit.
Initial boiling point and boiling range: 191 - 193 °C
Flammability (solid, gas): The substance or mixture is a flammable solid with the category 1.
Upper/lower flammability or explosive limits: No data available

Flash point: 74 °C - c.c.
Autoignition temperature: No data available
Decomposition temperature: No data available
pH: No data available
Viscosity: Viscosity, kinematic: No data available, Viscosity, dynamic: No data available
Water solubility: No data available
Partition coefficient: n-octanol/water: No data available
Vapor pressure: No data available
Density: 0,838 g/mL at 25 °C - lit.
Relative density: No data available
Relative vapor density: No data available

Particle characteristics: No data available
Explosive properties: No data available
Oxidizing properties: none
Other safety information: No data available
Chemical formula: C10H14
Molar mass: 134.21816
Density: 0.868 g/cm3
Melting point: 79.2 °C (174.6 °F; 352.3 K)
Boiling point: 192 °C (378 °F; 465 K) at 760mmHg
Magnetic susceptibility (χ): −101.2·10−6 cm3/mol

Melting point: 78 °C
Boiling point: 196-197 °C
Density: 0.838 g/mL at 25 °C(lit.)
vapor density: 4.6 (vs air)
vapor pressure: 160 mm Hg ( 140 °C)
refractive index: 1.5093
Flash point: 165 °F
storage temp.: Flammables area
solubility: 0.00348g/l
form: crystals
color: White to Almost white

Specific Gravity: 0.838
Odor: rancid sweet
Water Solubility: insoluble
Specific Heat Capacity: Cp(crystal): 1.6 J/(g·K), at 25℃
Merck: 14,3468
BRN: 1903393
Henry's Law Constant: 2.49 at 25 °C (approximate - calculated from water solubility and vapor pressure)
InChI: 1S/C10H14/c1-7-5-9(3)10(4)6-8(7)2/h5-6H,1-4H3
InChIKey: SQNZJJAZBFDUTD-UHFFFAOYSA-N
SMILES: Cc1cc(C)c(C)cc1C

LogP: 4.000
CAS DataBase Reference: 95-93-2(CAS DataBase Reference)
NIST Chemistry Reference: Benzene, 1,2,4,5-tetramethyl-(95-93-2)
EPA Substance Registry System: 1,2,4,5-Tetramethylbenzene (95-93-2)
Density: 0.838 g/mL at 25 °C(lit.)
Boiling Point: 196-197 °C
Melting Point: 78 °C
Molecular Formula: C10H14
Molecular Weight: 134.21800
Flash Point: 165 °F
Exact Mass: 134.11000
LogP: 2.92020

Vapour density: 4.6 (vs air)
Vapour Pressure: 160 mm Hg ( 140 °C)
Index of Refraction: 1.4790 (81ºC)
InChIKey: SQNZJJAZBFDUTD-UHFFFAOYSA-N
SMILES: Cc1cc(C)c(C)cc1C
Water Solubility: insoluble
Molecular Formula: C10H14
Molecular Weight: 134.22
MDL Number: MFCD00008528
MOL File: 95-93-2.mol
Melting point: 78 °C
Boiling point: 196-197 °C
Density: 0.838 g/mL at 25 °C(lit.)
vapor density: 4.6 (vs air)
vapor pressure: 160 mm Hg ( 140 °C)

refractive index: 1.5093
Flash point: 165 °F
storage temp.: Flammables area
solubility: 0.00348g/l
form: crystals
color: White to Almost white
Specific Gravity: 0.838
Odor: rancid sweet
Water Solubility: insoluble
Specific Heat Capacity: Cp(crystal): 1.6 J/(g·K), at 25℃
Merck: 14,3468
BRN: 1903393

Henry's Law Constant: 2.49 at 25 °C (approximate - calculated from water solubility and vapor pressure)
InChI: 1S/C10H14/c1-7-5-9(3)10(4)6-8(7)2/h5-6H,1-4H3
InChIKey: SQNZJJAZBFDUTD-UHFFFAOYSA-N
SMILES: Cc1cc(C)c(C)cc1C
LogP: 4.000
CAS DataBase Reference: 95-93-2(CAS DataBase Reference)
FDA UNII: 181426CFYB
NIST Chemistry Reference: Benzene, 1,2,4,5-tetramethyl-(95-93-2)
EPA Substance Registry System: 1,2,4,5-Tetramethylbenzene (95-93-2)

UNSPSC Code: 41116107
NACRES: NA.24
Molecular Weight: 134.22 g/mol
XLogP3: 4
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 0
Rotatable Bond Count: 0
Exact Mass: 134.109550447 Da
Monoisotopic Mass: 134.109550447 Da

Topological Polar Surface Area: 0 Å²
Heavy Atom Count: 10
Formal Charge: 0
Complexity: 94.6
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 1
Compound Is Canonicalized: Yes

FIRST AID MEASURES of BENZENE, 1,2,4,5-TETRAMETHYL:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of BENZENE, 1,2,4,5-TETRAMETHYL:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.

FIRE FIGHTING MEASURES of BENZENE, 1,2,4,5-TETRAMETHYL:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of BENZENE, 1,2,4,5-TETRAMETHYL:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of BENZENE, 1,2,4,5-TETRAMETHYL:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of BENZENE, 1,2,4,5-TETRAMETHYL:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available