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Styrene-2,3,4,5,6-d5

Also known as: STYRENE-D5, Styrene-d5, Styrene-ring-d5, Styrene-ar-d5, Styrol-d5, Styrole-d5, Styrolene-d5, Cinnamene-d5, Phenethylene-d5, Phenylethene-d5, Phenylethylene-d5, Styropol SO-d5, TTB 7302-d5, Vinylbenzene-d5, Vinylbenzol-d5, 1,2,3,4,5-pentadeuterio-6-ethenylbenzene

Styrene-2,3,4,5,6-d5 (CAS 5161-29-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H3D5 and a molecular weight of 109.18000 g/mol. Key properties include a boiling point of 50-51ºC 25 mm Hg(lit.), a density of 0.952 g/mL at 25ºC(lit.) and a flash point of 31.1 °C. It is classified under GHS with signal word Danger and hazard statements H226 — 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 Nov 2, 2026.

CAS No.
5161-29-5
Jingsj CID
J-1356169-8
Molecular Formula
C8H3D5
Molecular Weight
109.18000 g/mol
Category
Aromatic Hydrocarbons
Last updated
11/2/2026
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Physicochemical Properties

Boiling Point50-51ºC 25 mm Hg(lit.)
Density0.952 g/mL at 25ºC(lit.)
Flash Point31.1 °C
Exact Mass109.09400
LogP2.32960

GHS Safety & Compliance

Flammable / Irritant / Health HazardSignal word: Danger
  • H226 — Flammable liquid and vapour
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H332 — Harmful if inhaled
  • H372 — Causes damage to organs through prolonged exposure

Frequently Asked Questions

What is the CAS number of Styrene-2,3,4,5,6-d5?

The CAS number of Styrene-2,3,4,5,6-d5 is 5161-29-5.

What are the molecular formula and molecular weight of Styrene-2,3,4,5,6-d5?

Styrene-2,3,4,5,6-d5 has molecular formula C8H3D5 and molecular weight 109.18000 g/mol.

Is Styrene-2,3,4,5,6-d5 hazardous?

Styrene-2,3,4,5,6-d5 has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of Styrene-2,3,4,5,6-d5?

For Styrene-2,3,4,5,6-d5, Upstream Products: 1-Phenyl-d5-ethanol, Bromobenzene-d5, Benzene-d6; Downstream Products: Phenyl-d5-acetylene, Benzene-d5, Acetylene.

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

Last updated:

How to cite: Jingsj. "Styrene-2,3,4,5,6-d5 (CAS 5161-29-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356169-8 (accessed 2026-11-09).

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