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Phosphonium

Also known as: Phosphine conjugate acid, phosphanium, phosphorus cation

Phosphonium (CAS 16749-13-6) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H4P and a molecular weight of 35.00600 g/mol. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
16749-13-6
Jingsj CID
J-1336239-7
Molecular Formula
H4P
Molecular Weight
35.00600 g/mol
Category
Inorganic Chemicals
Last updated
11/2/2026

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Physicochemical Properties

Exact Mass33.99720
PSA13.59000
LogP0.05810

Frequently Asked Questions

What is the CAS number of Phosphonium?

The CAS number of Phosphonium is 16749-13-6.

What are the molecular formula and molecular weight of Phosphonium?

Phosphonium has molecular formula H4P and molecular weight 35.00600 g/mol.

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

Last updated:

How to cite: Jingsj. "Phosphonium (CAS 16749-13-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1336239-7 (accessed 2026-11-06).

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