Phosphonic acid, P-octadecyl- suppliers and prices

Formula: C₁₈H₃₉O₃P
CAS number: 4724-47-4
Molar mass: 334.50 g/mol

Found at 1 store we track

$45.80 per gram

Price per unit, converted to US dollars

At Strem Chemicals, United States

Pack: 25 grams for $1,145.00
Grade: Grade not stated · packs of 10 to 50 grams

View at Strem Chemicals

Smallest amount to spend

$73.00 for 1 gram

Total for one pack, in the store's own currency

At Strem Chemicals, United States

Works out at: $73.00 per gram
Grade: Grade not stated · packs of 0.5 to 2 grams

View at Strem Chemicals

3 offers from 1 store · Prices checked October 29, 2026 · Prices run from $45.80 to $73.00 per gram, because a bigger pack costs less per gram.

Only one store we read sells Phosphonic acid, P-octadecyl- so far. Sell it, or know a store that does? Tell us.

Show prices per

Every price we found

3 prices, cheapest first

Store	Grade and pack	Price	Link
Strem ChemicalsUnited StatesLowest price	Grade not stated · packs of 10 to 50 grams25 grams for $1,145.00	$45.80 per gram	View at store
Strem ChemicalsUnited States	Grade not stated · packs of 2 to 10 grams5 grams for $302.00	$60.40 per gram	View at store
Strem ChemicalsUnited States	Grade not stated · packs of 0.5 to 2 grams1 gram for $73.00	$73.00 per gram	View at store

Cite these pricesA ready sentence and reference for your report

For your report

As of October 29, 2026, the lowest store price for phosphonic acid, P-octadecyl- was $45.80 per gram: 25 grams for $1,145.00 at Strem Chemicals.

Reference

APA, 7th edition

ChemicalSuppliers.com. (2026, October 29). Phosphonic acid, P-octadecyl- suppliers and prices. Retrieved October 30, 2026, from https://www.chemicalsuppliers.com/phosphonic-acid-p-octadecyl/

ACS

Phosphonic acid, P-octadecyl- Suppliers and Prices. ChemicalSuppliers.com, October 29, 2026. https://www.chemicalsuppliers.com/phosphonic-acid-p-octadecyl/ (accessed 2026-10-30).

BibTeX

@misc{chemicalsuppliers-phosphonic-acid-p-octadecyl,
  author  = {{ChemicalSuppliers.com}},
  title   = {{Phosphonic acid, P-octadecyl-} suppliers and prices},
  year    = {2026},
  date    = {2026-10-29},
  url     = {https://www.chemicalsuppliers.com/phosphonic-acid-p-octadecyl/},
  urldate = {2026-10-30},
  note    = {Prices checked October 29, 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 Phosphonic acid, P-octadecyl- and what they cost at the cheapest store we track.

Strength

Amount of solution

You need: 334 milligrams; of Phosphonic acid, P-octadecyl-, molar mass 334.50 g/mol
That much costs: $15.32; $153.20 per litre of solution, at the lowest price per gram we found
Cheapest way to buy it: $73.00; 1 pack of 1 gram at Strem Chemicals; View at Strem Chemicals

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

Similar chemicals

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Strem Chemicals

Chemical identity

Formula: C₁₈H₃₉O₃P
Molar mass: 334.50 g/mol
CAS number: 4724-47-4
InChIKey: FTMKAMVLFVRZQX-UHFFFAOYSA-N
Official record: PubChem 78451

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.