2-Methyl-1,4-bis(trimethylsiloxy)benzene

2-甲基-1,4-双(三甲基硅氧基)苯

Also known as: ((2-Methyl-1,4-phenylene)bis(oxy))bis(trimethylsilane), 1,4-Bis(trimethylsiloxy)-2-methylbenzene, 2,5-bis(trimethylsiloxy)toluene, 2-METHYL-1,4-BIS(TRIMETHYLSILYLOXY)BENZENE, Benzene, 2-methyl-1,4-bis[(trimethylsilyl)oxy]-, Benzene,2-methyl-1,4-bis[(trimethylsilyl)oxy], MFCD02683083, Silane,[(2-methyl-1,4-phenylene)bis(oxy)]bis[trimethyl-(9CI), trimethyl-(2-methyl-4-trimethylsilyloxyphenoxy)silane

2-Methyl-1,4-bis(trimethylsiloxy)benzene (CAS 78018-53-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H24O2Si2 and a molecular weight of 268.49900 g/mol. It is also known as ((2-Methyl-1,4-phenylene)bis(oxy))bis(trimethylsilane), 1,4-Bis(trimethylsiloxy)-2-methylbenzene and 2,5-bis(trimethylsiloxy)toluene. Key properties include a boiling point of 272.8ºC at 760 mmHg, a density of 0.922g/cm3 and a flash point of 99.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
78018-53-8
Jingsj CID
J-43812-8
Molecular Formula
C13H24O2Si2
Chinese Name
2-甲基-1,4-双(三甲基硅氧基)苯
Molecular Weight
268.49900 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point272.8ºC at 760 mmHg
Density0.922g/cm3
Flash Point99.1ºC
Exact Mass268.13100
PSA18.46000
LogP4.42240
Refractive Index1.464

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Methyl-1,4-bis(trimethylsiloxy)benzene?

The CAS number of 2-Methyl-1,4-bis(trimethylsiloxy)benzene is 78018-53-8.

What are the molecular formula and molecular weight of 2-Methyl-1,4-bis(trimethylsiloxy)benzene?

2-Methyl-1,4-bis(trimethylsiloxy)benzene has molecular formula C13H24O2Si2 and molecular weight 268.49900 g/mol.

What are the upstream and downstream products of 2-Methyl-1,4-bis(trimethylsiloxy)benzene?

For 2-Methyl-1,4-bis(trimethylsiloxy)benzene, Upstream Products: Chlorotrimethylsilane, Methylhydroquinone, 1,1,1,3,3,3-Hexamethyldisilazane; Downstream Products: p-Toluquinone.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2-Methyl-1,4-bis(trimethylsiloxy)benzene (CAS 78018-53-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43812-8 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.