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Triphenylarsine

Also known as: Arsine, triphenyl-, TRIPHENYLARSANE, Triphenylarsane, Triphenylarsenic, Triphenyl-arsane, NSC 478, triphenyl-arsin, ARSENIC TRIPHENYL, ARSINETRIPHENYL

Triphenylarsine (CAS 603-32-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H15As and a molecular weight of 306.233 g/mol. Key properties include a melting point of 57-62ºC, a boiling point of 373.0±15.0 °C at 760 mmHg, a density of 1.22 and a flash point of 174.6±14.5 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H331 — Toxic if inhaled and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
603-32-7
Jingsj CID
J-1506036-3
Molecular Formula
C18H15As
Molecular Weight
306.233 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Melting Point57-62ºC
Boiling Point373.0±15.0 °C at 760 mmHg
Density1.22
Flash Point174.6±14.5 °C
Exact Mass306.038971
LogP2.20280
Vapor Pressure0.0±0.8 mmHg at 25°C

GHS Safety & Compliance

Acute Toxicity / Environmental HazardSignal word: Danger
  • H301 — Toxic if swallowed
  • H331 — Toxic if inhaled
  • H410 — Very toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of Triphenylarsine?

The CAS number of Triphenylarsine is 603-32-7.

What are the molecular formula and molecular weight of Triphenylarsine?

Triphenylarsine has molecular formula C18H15As and molecular weight 306.233 g/mol.

Is Triphenylarsine hazardous?

Triphenylarsine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H331 — Toxic if inhaled; H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of Triphenylarsine?

For Triphenylarsine, Upstream Products: Triphenylarsine oxide, Phenylmagnesium chloride, Chlorobenzene; Downstream Products: 1,2-Bis(diphenylarsino)ethane, Tetraphenylarsonium chloride, Tetraphenylarsonium bromide.

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

Last updated:

How to cite: Jingsj. "Triphenylarsine (CAS 603-32-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506036-3 (accessed 2026-11-09).

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