Benzene-d5

Also known as: (1,2,3,4,5-2H5)Benzene, Pentadeuteriobenzene, Benzene-1,2,3,4,5-d5, 1,2,3,4,5-pentadeuteriobenzene, MFCD00084121

Benzene-d5 (CAS 13657-09-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6HD5 and a molecular weight of 83.143 g/mol. Key properties include a melting point of 5.5ºC(lit.), a boiling point of 78.8±7.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of -11.1±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H304 and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13657-09-5
Jingsj CID: J-17565-5
Molecular Formula: C₆HD₅
Molecular Weight: 83.143 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	5.5ºC(lit.)
Boiling Point	78.8±7.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	-11.1±0.0 °C
Exact Mass	83.078331
LogP	2.22
Vapor Pressure	100.9±0.1 mmHg at 25°C
Refractive Index	1.499

GHS Safety & Compliance

Flammable / Irritant / Health HazardSignal word: Danger

H225 — Highly flammable liquid and vapour
H304
H315 — Causes skin irritation
H319 — Causes serious eye irritation
H340
H350 — May cause cancer
H372 — Causes damage to organs through prolonged exposure

Frequently Asked Questions

What is the CAS number of Benzene-d5?

The CAS number of Benzene-d5 is 13657-09-5.

What are the molecular formula and molecular weight of Benzene-d5?

Benzene-d5 has molecular formula C6HD5 and molecular weight 83.143 g/mol.

Is Benzene-d5 hazardous?

Benzene-d5 has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H304; H315 — Causes skin irritation.

What are the upstream and downstream products of Benzene-d5?

For Benzene-d5, Upstream Products: Bromobenzene-d5, benzene, Benzene-d6.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Benzene-d5 (CAS 13657-09-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17565-5 (accessed 2026-11-09).

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