Phosphonium suppliers and prices

Formula: H₄P+
CAS number: 16749-13-6
Molar mass: 35.01 g/mol

Found at 1 store we track

$26.14 per gram

10 grams for 234.00 EUR, about $261

At CymitQuimica, Spain · Grade not stated

View at CymitQuimica

Lowest total price

68.00 EUR for 1 gram, about $76

Works out at $75.97 per gram

At CymitQuimica, Spain

View at CymitQuimica

Only one store we read sells Phosphonium so far. Sell it, or know a store that does? Tell us.

Every price we found

3 prices from 1 store, checked November 1, 2026. In stock from $26.14 to $75.97 per gram, depending on pack size and store. Each one is worked out per kilogram, so a small bottle and a big bag compare fairly.

SortShow prices per Currency

Pack	Store	Grade and form	Price per unit
10 grams234.00 EUR, about $261	CymitQuimicaSpain	Lowest priceGrade not stated	$26.14 per gram
5 grams144.00 EUR, about $161	CymitQuimicaSpain	Grade not stated	$32.18 per gram
1 gram68.00 EUR, about $76	CymitQuimicaSpain	Grade not stated	$75.97 per gram

Cite these pricesA ready sentence and reference for your report

For your report

As of November 1, 2026, the lowest store price for phosphonium was $26.14 per gram, converted to US dollars: 10 grams for 234.00 EUR at CymitQuimica.

Reference

APA, 7th edition

ChemicalSuppliers.com. (2026, November 1). Phosphonium suppliers and prices. Retrieved November 1, 2026, from https://www.chemicalsuppliers.com/phosphonium/

ACS

Phosphonium Suppliers and Prices. ChemicalSuppliers.com, November 1, 2026. https://www.chemicalsuppliers.com/phosphonium/ (accessed 2026-11-01).

BibTeX

@misc{chemicalsuppliers-phosphonium,
  author  = {{ChemicalSuppliers.com}},
  title   = {{Phosphonium} suppliers and prices},
  year    = {2026},
  date    = {2026-11-01},
  url     = {https://www.chemicalsuppliers.com/phosphonium/},
  urldate = {2026-11-01},
  note    = {Prices checked November 1, 2026}
}

Prices change every day, so each line carries the date they were checked.

Making a solution?

Pick the strength and how much you need. We work out the grams of Phosphonium and what they cost at the cheapest store we track.

Strength

Amount of solution

You need: 35 milligrams; of Phosphonium, molar mass 35.01 g/mol
That much costs: $0.92; $9.15 per litre of solution, at the lowest price per gram we found
Cheapest way to buy it: $75.97; 1 pack of 1 gram at CymitQuimica; View at CymitQuimica

Weigh it out, dissolve it in less water than you need, then top up to the full amount.

Sold by

CymitQuimica

Chemical identity

Formula, molar mass, CAS number, InChIKey and the official PubChem record

Formula: H₄P+
Molar mass: 35.01 g/mol
CAS number: 16749-13-6
InChIKey: XYFCBTPGUUZFHI-UHFFFAOYSA-O
Official record: PubChem 5460504

How we compare: each store's own price, turned into US dollars at European Central Bank rates of 2026-10-30, then divided by the pack size. Shipping and tax are not included.