Found at 1 store we track
$700 per gram
500 milligrams for $350.00, about $350
At Frontier Specialty Chemicals, United States · Grade not stated
View at Frontier Specialty ChemicalsFound at 1 store we track
$700 per gram
500 milligrams for $350.00, about $350
At Frontier Specialty Chemicals, United States · Grade not stated
View at Frontier Specialty ChemicalsLowest total price
$280.00 for 250 milligrams, about $280
Works out at $1,120 per gram
At Frontier Specialty Chemicals, United States
View at Frontier Specialty ChemicalsOnly one store we read sells 4,4',4'',4'''-(2,3,7,8,12,13,17,18-Octabromo-21H,23H-porphine-5,10,15,20-tetrayl)tetrakis[benzenesulfonic acid] so far. Sell it, or know a store that does? Tell us.
2 prices from 1 store, checked November 1, 2026. In stock from $700 to $1,120 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.
Converted to at the exchange rate of 2026-10-30. Each store charges in its own currency.
| Pack | Store | Grade and form | Price per unit | Link |
|---|---|---|---|---|
| 500 milligrams$350.00, about $350 | Frontier Specialty ChemicalsUnited States | Lowest priceGrade not stated | $700 per gram | |
| 250 milligrams$280.00, about $280 | Frontier Specialty ChemicalsUnited States | Grade not stated | $1,120 per gram |
No prices match these filters.
As of November 1, 2026, the lowest store price for 4,4',4'',4'''-(2,3,7,8,12,13,17,18-Octabromo-21H,23H-porphine-5,10,15,20-tetrayl)tetrakis[benzenesulfonic acid] was $700 per gram: 500 milligrams for $350.00 at Frontier Specialty Chemicals.
APA, 7th edition
ChemicalSuppliers.com. (2026, November 1). 4,4',4'',4'''-(2,3,7,8,12,13,17,18-Octabromo-21H,23H-porphine-5,10,15,20-tetrayl)tetrakis[benzenesulfonic acid] suppliers and prices. Retrieved November 1, 2026, from https://www.chemicalsuppliers.com/4-4-4-4-2-3-7-8-12-13-17-18-octabromo-21h-23h-porphine-5-10-15-20-tetrayl-tetrak/
ACS
4,4',4'',4'''-(2,3,7,8,12,13,17,18-Octabromo-21H,23H-porphine-5,10,15,20-tetrayl)tetrakis[benzenesulfonic acid] Suppliers and Prices. ChemicalSuppliers.com, November 1, 2026. https://www.chemicalsuppliers.com/4-4-4-4-2-3-7-8-12-13-17-18-octabromo-21h-23h-porphine-5-10-15-20-tetrayl-tetrak/ (accessed 2026-11-01).
BibTeX
@misc{chemicalsuppliers-4-4-4-4-2-3-7-8-12-13-17-18-octabromo-21h-23h-porphine-5-10-15-20-tetrayl-tetrak,
author = {{ChemicalSuppliers.com}},
title = {{4,4',4'',4'''-(2,3,7,8,12,13,17,18-Octabromo-21H,23H-porphine-5,10,15,20-tetrayl)tetrakis[benzenesulfonic acid]} suppliers and prices},
year = {2026},
date = {2026-11-01},
url = {https://www.chemicalsuppliers.com/4-4-4-4-2-3-7-8-12-13-17-18-octabromo-21h-23h-porphine-5-10-15-20-tetrayl-tetrak/},
urldate = {2026-11-01},
note = {Prices checked November 1, 2026}
}Prices change every day, so each line carries the date they were checked.
Weigh it out, dissolve it in less water than you need, then top up to the full amount.
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.