ChemicalSuppliers

Copper Sulfate Pentahydrate suppliers and prices

Formula
CuH10O9S
CAS number
7758-99-8
Molar mass
249.69 g/mol

Cheapest by weight

$14.32 per kilogram

Price per unit, converted to US dollars

At Science Company, United States

Pack
12.5 kilograms for $179.00
Grade
Grade not stated · packs of 1 to 25 kilograms
View at Science Company

Smallest amount to spend

$17.95 for 500 grams

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

At Science Company, United States

Works out at
$35.90 per kilogram
Grade
Grade not stated · packs of 50 grams to 1 kilogram
View at Science Company

5 offers from 2 stores · Prices checked October 28, 2026 · Prices run from $14.32 to $257 per kilogram, because a bigger pack costs less per kilogram.

Show prices per

Every price we found

5 prices, cheapest first

StoreGrade and packPriceLink
Science CompanyUnited StatesLowest price Grade not stated · packs of 1 to 25 kilograms12.5 kilograms for $179.00 $14.32 per kilogram View at store
Science CompanyUnited States Grade not stated · packs of 50 grams to 1 kilogram500 grams for $17.95 $35.90 per kilogram View at store
Lab AlleyUnited States ACS grade · packs of 25 kilograms and up25 kilograms for $2,309.60 $92.38 per kilogram View at store
Lab AlleyUnited States ACS grade · packs of 1 to 25 kilograms12.5 kilograms for $1,408.34 $113 per kilogram View at store
Lab AlleyUnited States ACS grade · packs of 50 grams to 1 kilogram500 grams for $128.58 $257 per kilogram View at store

Making a solution?

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

You need
250 grams
of Copper Sulfate Pentahydrate, molar mass 249.69 g/mol
That much costs
$3.58
$3.58 per litre of solution, at the lowest price per gram we found
Cheapest way to buy it
$17.95
1 pack of 500 grams at Science Company
View at Science Company

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

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Chemical identity

Formula
CuH10O9S
Molar mass
249.69 g/mol
CAS number
7758-99-8
InChIKey
JZCCFEFSEZPSOG-UHFFFAOYSA-L
Official record
PubChem 24463

How we compare: each store's own price, turned into US dollars at European Central Bank rates of 2026-10-29, then divided by the pack size. Shipping and tax are not included.