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Di-tert-butylphenylphosphine

Also known as: Di-tert-butylphenylphosphine, Di-t-butylphenylphosphine, Phosphine, bis(1,1-dimethylethyl)phenyl-, Phenyldi-tert-butylphosphine, Bis(1,1-dimethylethyl)phenylphosphine, Bis(2-methyl-2-propanyl)(phenyl)phosphine, (Di-tert-butylphosphino)benzene, NSC 244300

Di-tert-butylphenylphosphine (CAS 32673-25-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H23P and a molecular weight of 222.306 g/mol. Key properties include a boiling point of 286.4±9.0 °C at 760 mmHg, a density of 0.933 g/mL at 25 °C and a flash point of 132.0±25.0 °C. It is classified under GHS with signal word Danger and hazard statements H250, 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.
32673-25-9
Jingsj CID
J-14165-1
Molecular Formula
C14H23P
Molecular Weight
222.306 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point286.4±9.0 °C at 760 mmHg
Density0.933 g/mL at 25 °C
Flash Point132.0±25.0 °C
Exact Mass222.153732
PSA13.59000
LogP5.03
Appearanceliquid | colorless
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Indexn20/D 1.5382

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger
  • H250
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation
  • H413

Frequently Asked Questions

What is the CAS number of Di-tert-butylphenylphosphine?

The CAS number of Di-tert-butylphenylphosphine is 32673-25-9.

What are the molecular formula and molecular weight of Di-tert-butylphenylphosphine?

Di-tert-butylphenylphosphine has molecular formula C14H23P and molecular weight 222.306 g/mol.

Is Di-tert-butylphenylphosphine hazardous?

Di-tert-butylphenylphosphine has GHS signal word Danger and hazard statements H250; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

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

Last updated:

How to cite: Jingsj. "Di-tert-butylphenylphosphine (CAS 32673-25-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14165-1 (accessed 2026-11-09).

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