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Diphenyl-2-pyridylphosphine

Also known as: 2-(Diphenylphosphino)pyridine, 2-Pyridyldiphenylphosphine, Diphenyl(2-pyridinyl)phosphine, 2-diphenylphosphanyl-pyridine, 2-diphenylphosphinopyridine, MFCD00192108, Pyridine, 2-(diphenylphosphino)-, diphenyl(pyridin-2-yl)phosphane

Diphenyl-2-pyridylphosphine (CAS 37943-90-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C17H14NP and a molecular weight of 263.28 g/mol. Key properties include a melting point of 82-84 °C (dec.)(lit.), a boiling point of 377.5±15.0 °C at 760 mmHg and a flash point of 182.1±20.4 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
37943-90-1
Jingsj CID
J-5583-4
Molecular Formula
C17H14NP
Molecular Weight
263.28 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point82-84 °C (dec.)(lit.)
Boiling Point377.5±15.0 °C at 760 mmHg
Flash Point182.1±20.4 °C
Exact Mass263.086395
PSA26.48000
LogP4.20
Vapor Pressure0.0±0.8 mmHg at 25°C

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation
  • H413

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Diphenyl-2-pyridylphosphine?

The CAS number of Diphenyl-2-pyridylphosphine is 37943-90-1.

What are the molecular formula and molecular weight of Diphenyl-2-pyridylphosphine?

Diphenyl-2-pyridylphosphine has molecular formula C17H14NP and molecular weight 263.28 g/mol.

Is Diphenyl-2-pyridylphosphine hazardous?

Diphenyl-2-pyridylphosphine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of Diphenyl-2-pyridylphosphine?

For Diphenyl-2-pyridylphosphine, Upstream Products: 2-Bromopyridine, Chlorodiphenylphosphine, 2-Chloropyridine; Downstream Products: Methyl propionate, Methyl methacrylate, 2,6-bis(diphenylphosphanyl)pyridine.

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

Last updated:

How to cite: Jingsj. "Diphenyl-2-pyridylphosphine (CAS 37943-90-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5583-4 (accessed 2026-11-09).

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