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1-azido-4-methylbenzene

Also known as: 4-azidotoluene, p-tolyl azide, 4-methylphenyl azide, p-azidotoluene, 1-methyl-4-azidobenzene, 4-methyl-1-azidobenzene, benzene, 1-azido-4-methyl-, para-methyl phenyl azide

1-azido-4-methylbenzene (CAS 2101-86-2) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C7H7N3 and a molecular weight of 133.15100 g/mol. Key properties include a melting point of -29°C, a boiling point of 235.67°C (rough estimate), a density of 1.0527 and a flash point of -33℃. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2101-86-2
Jingsj CID
J-1393351-2
Molecular Formula
C7H7N3
Molecular Weight
133.15100 g/mol
Category
Solvents
Last updated
8/21/2026
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Physicochemical Properties

Melting Point-29°C
Boiling Point235.67°C (rough estimate)
Density1.0527
Flash Point-33℃
Exact Mass133.06400
PSA49.75000
LogP2.38956
Refractive Index1.5341 (estimate)
Storage Conditions?20°C

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation

Frequently Asked Questions

What is the CAS number of 1-azido-4-methylbenzene?

The CAS number of 1-azido-4-methylbenzene is 2101-86-2.

What are the molecular formula and molecular weight of 1-azido-4-methylbenzene?

1-azido-4-methylbenzene has molecular formula C7H7N3 and molecular weight 133.15100 g/mol.

Is 1-azido-4-methylbenzene hazardous?

1-azido-4-methylbenzene has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 1-azido-4-methylbenzene?

For 1-azido-4-methylbenzene, Upstream Products: 4-Iodotoluene, p-Toluidine, 4-Bromotoluene; Downstream Products: N-(4-Methoxyphenyl)-4-methylbenzenamine, 4'-Methylformanilide, Methyl benzoate.

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

Last updated:

How to cite: Jingsj. "1-azido-4-methylbenzene (CAS 2101-86-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1393351-2 (accessed 2026-11-09).

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