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p-Xylene

Also known as: 1,4-dimethyl-benzene, 4-methyltoluene, EINECS 203-396-5, MFCD00008556, Paraxylene, p-Xylol, p-dimethylbenzene, p-methyl-toluene, para-xylene, 1,4-Dimethylbenzene

p-Xylene (CAS 106-42-3) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C8H10 and a molecular weight of 106.165 g/mol. Key properties include a melting point of 13ºC, a boiling point of 138 °C at 760 mmHg, a density of 0.861 and a flash point of 27.2±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
106-42-3
Jingsj CID
J-28477-8
Molecular Formula
C8H10
Molecular Weight
106.165 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point13ºC
Boiling Point138 °C at 760 mmHg
Density0.861
Flash Point27.2±0.0 °C
Exact Mass106.078247
LogP3.14
Additional Property3.7 (vs air)
Vapor Pressure7.9±0.1 mmHg at 25°C
Refractive Index1.500

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning
  • H226 — Flammable liquid and vapour
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled
  • H315 — Causes skin irritation

Customs & Trade Information

HS Code2902430000
Summary2902430000 p-xylene。Supervision conditions:None。VAT:17.0%。Tax rebate rate:13.0%。Lowest tariff:2.0%。General tariff:20.0%

Frequently Asked Questions

What is the CAS number of p-Xylene?

The CAS number of p-Xylene is 106-42-3.

What are the molecular formula and molecular weight of p-Xylene?

p-Xylene has molecular formula C8H10 and molecular weight 106.165 g/mol.

Is p-Xylene hazardous?

p-Xylene has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

What are the upstream and downstream products of p-Xylene?

For p-Xylene, Upstream Products: Methanol, o-xylene, m-Xylene; Downstream Products: 1,3-Dimethyluracil, 2,2',5,5'-Tetramethylbiphenyl, 2,5-Dimethylphenyl acetate.

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

Last updated:

How to cite: Jingsj. "p-Xylene (CAS 106-42-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28477-8 (accessed 2026-11-07).

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