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5-tert-Butyl-m-xylene

Also known as: 1,3-DIMETHYL-5-(T-BUTYL)BENZENE, 1,3-DIMETHYL-5-TERT-BUTYLBENZENE, 1,3-Dimethyl-5-(2-methyl-2-propanyl)benzene, 1-(1,1-Dimethylethyl)-3,5-dimethylbenzene, 1-(1,1-dimethylethyl)-3,5-dimethyl-Benzene, 1-(1,1-dimethylethyl)-3,5-dimethyl-benzen, 1-TERT-BUTYL-3,5-DIMETHYLBENZENE, 1-Tert-Butyl-3,5-Dimethylbenzene, 1-tert-Butyl-3,5-dimethylbenzene, 5-TERT-BUTYL-M-XYLENE, Benzene, 1-(1,1-dimethylethyl)-3,5-dimethyl-, EINECS 202-647-6, MFCD00008832, SYM-TERT-BUTYL-M-XYLENE, Xylometazoline EP Impurity D

5-tert-Butyl-m-xylene (CAS 98-19-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C12H18 and a molecular weight of 162.271 g/mol. Key properties include a melting point of -18 °C, a boiling point of 207.9±20.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 72.2±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
98-19-1
Jingsj CID
J-30222-7
Molecular Formula
C12H18
Molecular Weight
162.271 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-18 °C
Boiling Point207.9±20.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point72.2±0.0 °C
Exact Mass162.140854
LogP4.83
Vapor Pressure0.3±0.2 mmHg at 25°C
Refractive Index1.487

Customs & Trade Information

HS Code2902909090
Summary2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 5-tert-Butyl-m-xylene?

The CAS number of 5-tert-Butyl-m-xylene is 98-19-1.

What are the molecular formula and molecular weight of 5-tert-Butyl-m-xylene?

5-tert-Butyl-m-xylene has molecular formula C12H18 and molecular weight 162.271 g/mol.

What are the upstream and downstream products of 5-tert-Butyl-m-xylene?

For 5-tert-Butyl-m-xylene, Upstream Products: m-Xylene, tert-Butanol, 5-Bromo-m-xylene; Downstream Products: Trimesic acid, 5-tert-Butyl-2-iodo-1,3-dimethylbenzene, 3,5-Dimethylbenzoic acid.

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

Last updated:

How to cite: Jingsj. "5-tert-Butyl-m-xylene (CAS 98-19-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30222-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.