1,2,3,4-Tetramethylbenzene

Basic Information

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CAS Number

488-23-3

Molecular Formula

C10H14

Molecular Weight

134.22 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

76-80 °C

Boiling Point

203°C

Water Solubility

Immiscible with water.

Flash Point

165 °F

Refractive Index

1.5190

Vapor Pressure

160 mm Hg ( 140 °C)

SMILES

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CC1=C(C(=C(C=C1)C)C)C

InChI

InChI=1S/C10H14/c1-7-5-6-8(2)10(4)9(7)3/h5-6H,1-4H3

InChIKey

UOHMMEJUHBCKEE-UHFFFAOYSA-N

LogP

2.920280000000001

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

92.6

Safety Information

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Hazard Class

Class 3 Class 3

Synonyms & References

English

Prehnitol
5L4Y5PFP1R
Prehenitene
InChI=1/C10H14/c1-7-5-6-8(2)10(4)9(7)3/h5-6H,1-4H
CHEBI:38997
488-23-3
Tetramethylbenzene (all isomers)
1,2,3,4-tetramethyl-benzene
UNII-96WT7D2WXJ
NSC93932
NS00021173
1,2,3,4-Tetramethylbenzene 100 microg/mL in Methanol
BCP07046
CCRIS 8659
25619-60-7
Prehnitene
DS-7452
FT-0606203
1,2,3,4-TETRAMETHLYBENZENE
1,3,4-Tetramethylbenzene
CS-W006416
1,2,3,4-TETRAMETHYLBENZENE
A871875
UNII-5L4Y5PFP1R
SY261146
EINECS 207-673-1
s10933
HY-W006416
AKOS009031131
Benzene, tetramethyl-
96WT7D2WXJ

MDL Number

MFCD00008521

FAQ

What are the physical and chemical properties of 1,2,3,4-Tetramethylbenzene (CAS: 488-23-3)?

1,2,3,4-Tetramethylbenzene (CAS: 488-23-3) is a colorless liquid with a relatively high boiling point of 173-174°C and a low melting point of -31°C. It has a molecular weight of 138.22 g/mol. This compound is insoluble in water but moderately soluble in common organic solvents. It shows low reactivity under normal conditions but can undergo substitution reactions at the methyl groups.

How is 1,2,3,4-Tetramethylbenzene (CAS: 488-23-3) typically synthesized?

1,2,3,4-Tetramethylbenzene (CAS: 488-23-3) is typically synthesized via amination of 1,2,3,4-tetramethylbenzene, a process that involves the reaction of toluene with methyl chloride in the presence of a strong base like sodium hydroxide. The reaction is carried out under mild conditions, and the product is isolated and purified using standard techniques.

What industries use 1,2,3,4-Tetramethylbenzene (CAS: 488-23-3)?

1,2,3,4-Tetramethylbenzene (CAS: 488-23-3) is used in various industries. It is employed in the synthesis of pharmaceuticals, as a precursor in polymer production, in the development of sensors, and in semiconductor applications due to its unique physical and chemical properties.

What precautions should be taken when handling 1,2,3,4-Tetramethylbenzene (CAS: 488-23-3)?

When handling 1,2,3,4-Tetramethylbenzene (CAS: 488-23-3), it is important to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and protective clothing. Ensure the use of a fume hood during handling to minimize inhalation risks. Spills should be cleaned up using absorbent materials and the area should be thoroughly ventilated. Always refer to the Safety Data Sheet (SDS) for detailed safety instructions.