ChemicalSuppliers

Sodium Hydroxide suppliers and prices

Formula
HNaO
CAS number
1310-73-2
Molar mass
40.00 g/mol

Cheapest by weight

$1.72 per kilogram

Price per unit, converted to US dollars

At The Soap Kitchen, United Kingdom

Pack
25 kilograms for 32.20 GBP
Grade
Grade not stated · packs of 25 kilograms and up
View at The Soap Kitchen

Smallest amount to spend

5.00 GBP for 1 kilogram

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

At The Soap Kitchen, United Kingdom

Works out at
$6.66 per kilogram
Grade
Grade not stated · packs of 1 to 25 kilograms
View at The Soap Kitchen

57 offers from 5 stores · Prices checked October 28, 2026 · Prices run from $1.72 to $1,325 per kilogram, because a bigger pack costs less per kilogram.

Show prices per

Liquids switch to the matching volume: microlitre, millilitre, litre, fluid ounce or US gallon.

Every price we found

60 prices, cheapest first

StoreGrade and packPriceLink
The Soap KitchenUnited KingdomLowest price Grade not stated · packs of 25 kilograms and up25 kilograms for 32.20 GBP $1.72 per kilogram View at store
Lab AlleyUnited States Grade not stated · Solution 2% · packs of 25 litres and up208 litres for $690.12 $3.31 per litre View at store
Lab AlleyUnited States Grade not stated · Solution 3% · packs of 25 litres and up208 litres for $704.42 $3.38 per litre View at store
Lab AlleyUnited States Grade not stated · Solution 4% · packs of 25 litres and up208 litres for $718.72 $3.45 per litre View at store
Lab AlleyUnited States Grade not stated · Solution 5% · packs of 25 litres and up208 litres for $733.02 $3.52 per litre View at store
Lab AlleyUnited States Technical grade · Solution 50% · packs of 25 litres and up208 litres for $761.46 $3.66 per litre View at store
Lab AlleyUnited States Reagent grade · Solution · packs of 25 litres and up208 litres for $838.40 $4.03 per litre View at store
Lab AlleyUnited States Grade not stated · Solution 10% · packs of 25 litres and up208 litres for $970.58 $4.66 per litre View at store
The Soap KitchenUnited Kingdom Grade not stated · packs of 1 to 25 kilograms1 kilogram for 5.00 GBP $6.66 per kilogram View at store
Lab AlleyUnited States Grade not stated · Solution 20% · packs of 25 litres and up208 litres for $1,536.48 $7.38 per litre View at store
Lab AlleyUnited States Food grade · packs of 25 kilograms and up25 kilograms for $193.59 $7.74 per kilogram View at store
Lab AlleyUnited States Food grade · packs of 1 to 25 kilograms22.7 kilograms for $180.82 $7.97 per kilogram View at store
GFS ChemicalsUnited States Grade not stated · Solution · packs of 1 to 25 litres20 litres for $159.54 $7.98 per litre View at store
GFS ChemicalsUnited States Grade not stated · Solution 50% · packs of 1 to 25 litres20 litres for $162.98 $8.15 per litre View at store
Lab AlleyUnited States Laboratory grade · packs of 25 kilograms and up25 kilograms for $209.11 $8.36 per kilogram View at store
Lab AlleyUnited States Laboratory grade · packs of 1 to 25 kilograms22.7 kilograms for $194.12 $8.56 per kilogram View at store
Lab AlleyUnited States Grade not stated · Solution 25% · packs of 25 litres and up208 litres for $1,819.40 $8.74 per litre View at store
Lab AlleyUnited States Grade not stated · Solution · packs of 25 litres and up208 litres for $1,857.88 $8.92 per litre View at store
Lab AlleyUnited States Technical grade · Solution 50% · packs of 1 to 25 litres18.9 litres for $171.38 $9.05 per litre View at store
Lab AlleyUnited States ACS grade · Solution 50% · packs of 25 litres and up208 litres for $1,895.16 $9.10 per litre View at store
Lab AlleyUnited States Reagent grade · Solution · packs of 1 to 25 litres20 litres for $183.67 $9.18 per litre View at store
Lab AlleyUnited States Grade not stated · Solution 30% · packs of 25 litres and up208 litres for $2,102.31 $10.10 per litre View at store
Science CompanyUnited States Grade not stated · packs of 1 to 25 kilograms11.3 kilograms for $129.00 $11.38 per kilogram View at store
Lab AlleyUnited States Grade not stated · Solution 2% · packs of 1 to 25 litres20 litres for $232.89 $11.64 per litre View at store
Lab AlleyUnited States Grade not stated · Solution · packs of 1 to 25 litres20 litres for $234.09 $11.70 per litre View at store
Lab AlleyUnited States Grade not stated · Solution 3% · packs of 1 to 25 litres20 litres for $239.88 $11.99 per litre View at store
Lab AlleyUnited States Grade not stated · Solution 4% · packs of 1 to 25 litres20 litres for $246.87 $12.34 per litre View at store
Lab AlleyUnited States Grade not stated · Solution 5% · packs of 1 to 25 litres20 litres for $253.87 $12.69 per litre View at store
Lab AlleyUnited States Grade not stated · Solution 10% · packs of 1 to 25 litres20 litres for $277.36 $13.87 per litre View at store
Lab AlleyUnited States Grade not stated · Solution 20% · packs of 1 to 25 litres20 litres for $323.70 $16.18 per litre View at store
Lab AlleyUnited States Grade not stated · Solution 25% · packs of 1 to 25 litres20 litres for $346.87 $17.34 per litre View at store
Lab AlleyUnited States Grade not stated · Solution 30% · packs of 1 to 25 litres20 litres for $370.03 $18.50 per litre View at store
GFS ChemicalsUnited States Reagent grade · Solution 50% · packs of 1 to 25 litres20 litres for $403.69 $20.18 per litre View at store
Lab AlleyUnited States ACS grade · packs of 25 kilograms and up40 kilograms for $899.73 $22.49 per kilogram View at store
Lab AlleyUnited States USP grade · packs of 25 kilograms and up40 kilograms for $899.73 $22.49 per kilogram View at store
Lab AlleyUnited States ACS grade · Solution 50% · packs of 1 to 25 litres18.9 litres for $456.50 $24.12 per litre View at store
Lab AlleyUnited States ACS grade · packs of 1 to 25 kilograms22.7 kilograms for $548.19 $24.17 per kilogram View at store
Lab AlleyUnited States USP grade · packs of 1 to 25 kilograms22.7 kilograms for $548.19 $24.17 per kilogram View at store
Science CompanyUnited States Grade not stated · packs of 50 grams to 1 kilogram500 grams for $16.95 $33.90 per kilogram View at store
GFS ChemicalsUnited States Grade not stated · Solution 40% · packs of 1 to 25 litres4 litres for $145.28 $36.32 per litre View at store
Lab DepotUnited States Technical grade · packs of 1 to 25 kilograms12 kilograms for $443.22 $36.94 per kilogram View at store
Lab DepotUnited States Grade not stated · packs of 1 to 25 kilograms12 kilograms for $533.85 $44.49 per kilogram View at store
Lab DepotUnited States USP grade · packs of 1 to 25 kilograms12 kilograms for $781.75 $65.15 per kilogram View at store
Lab DepotUnited States ACS grade · packs of 1 to 25 kilograms12 kilograms for $871.63 $72.64 per kilogram View at store
Lab DepotUnited States Food grade · packs of 1 to 25 kilograms12 kilograms for $996.15 $83.01 per kilogram View at store
Lab DepotUnited States Molecular biology grade · packs of 1 to 25 kilograms12 kilograms for $1,020.11 $85.01 per kilogram View at store
Lab AlleyUnited States Grade not stated · Solution · packs of 50 millilitres to 1 litre500 millilitres for $50.00 $100 per litre View at store
Lab AlleyUnited States Reagent grade · Solution · packs of 50 millilitres to 1 litre500 millilitres for $55.00 $110 per litre View at store
Lab AlleyUnited States Technical grade · Solution 50% · packs of 50 millilitres to 1 litre500 millilitres for $55.73 $111 per litre View at store
Lab AlleyUnited States Food grade · packs of 50 grams to 1 kilogram454 grams for $55.00 $121 per kilogram View at store
Lab AlleyUnited States ACS grade · Solution 50% · packs of 50 millilitres to 1 litre500 millilitres for $69.34 $139 per litre View at store
Lab AlleyUnited States Laboratory grade · packs of 50 grams to 1 kilogram500 grams for $70.43 $141 per kilogram View at store
Lab DepotUnited States Technical grade · packs of 50 grams to 1 kilogram500 grams for $86.59 $173 per kilogram View at store
Lab AlleyUnited States ACS grade · packs of 50 grams to 1 kilogram500 grams for $90.63 $181 per kilogram View at store
Lab AlleyUnited States USP grade · packs of 50 grams to 1 kilogram500 grams for $90.63 $181 per kilogram View at store
Lab DepotUnited States ACS grade · packs of 50 grams to 1 kilogram500 grams for $130.15 $260 per kilogram View at store
Lab DepotUnited States USP grade · packs of 50 grams to 1 kilogram500 grams for $141.31 $283 per kilogram View at store
Lab DepotUnited States Food grade · packs of 50 grams to 1 kilogram500 grams for $143.69 $287 per kilogram View at store
Lab DepotUnited States Molecular biology grade · packs of 50 grams to 1 kilogram500 grams for $179.65 $359 per kilogram View at store
GFS ChemicalsUnited States Grade not stated · packs of 50 grams to 1 kilogram500 grams for $662.73 $1,325 per kilogram View at store

Making a solution?

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

You need
40 grams
of Sodium Hydroxide, molar mass 40.00 g/mol
That much costs
$0.07
$0.07 per litre of solution, at the lowest price per gram we found
Cheapest way to buy it
$6.66
1 pack of 1 kilogram at The Soap Kitchen
View at The Soap Kitchen

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

Bulk suppliers in the US

78 companies make or distribute it, as reported to the US Environmental Protection Agency in 2020 and 2024.

Your company? List it free and get bulk buyer requests.

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Used for

Chemical identity

Formula
HNaO
Molar mass
40.00 g/mol
CAS number
1310-73-2
InChIKey
HEMHJVSKTPXQMS-UHFFFAOYSA-M
Official record
PubChem 14798

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.