ChemicalSuppliers.com

Calcium Hydroxide suppliers and prices

Formula
CaH2O2
CAS number
1305-62-0
Molar mass
74.09 g/mol

Cheapest by weight

$3.49 per kilogram

25 kilograms for 8,290.00 INR, about $87

At AlphaChemika, India · Grade not stated

View at AlphaChemika

Lowest total price

120.00 INR for 500 millilitres, about $1.26

Works out at $2.53 per litre

At AlphaChemika, India

View at AlphaChemika

Every price we found

33 prices from 12 stores, checked October 30 to November 1, 2026. In stock from $2.09 to $2.53 per litre, depending on pack size and store. Each one is worked out per kilogram or litre, so a small bottle and a big bag compare fairly.

Showing all 33 prices

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

PackStoreGrade and formPrice per unitLink
5 litres990.00 INR, about $10 AlphaChemikaIndia Grade not statedSolution $2.09 per litre
500 millilitres120.00 INR, about $1.26 AlphaChemikaIndia Grade not statedSolution $2.53 per litre
25 kilograms8,290.00 INR, about $87 AlphaChemikaIndia Lowest priceGrade not stated $3.49 per kilogram
5 kilograms1,840.00 INR, about $19 AlphaChemikaIndia Grade not stated $3.88 per kilogram
500 grams220.00 INR, about $2.32 AlphaChemikaIndia Grade not stated $4.64 per kilogram
5 kilograms30.00 EUR, about $34 Carbolution ChemicalsGermany Grade not stated $6.73 per kilogram
25 kilograms$247.57 Lab AlleyUnited States Laboratory grade $9.90 per kilogram
22.7 kilograms$231.64 Lab AlleyUnited States Laboratory grade $10.21 per kilogram
25 kilograms$315.42 Lab AlleyUnited States USP gradeFood grade $12.62 per kilogram
22.7 kilograms$292.12 Lab AlleyUnited States USP gradeFood grade $12.88 per kilogram
5 kilograms$75.00 HiMediaIndia Grade not stated $15.00 per kilogram
500 grams$10.95 Science CompanyUnited States Grade not stated $21.90 per kilogram
1 kilogram$44.00 Antec Inc.United States Grade not statedPowder $44.00 per kilogram
500 grams$25.00 Antec Inc.United States Grade not statedPowder $50.00 per kilogram
500 grams36.69 CAD, about $26 Bio BasicCanada Grade not stated $52.51 per kilogram
1 kilogram$58.70 MolekulaUnited Kingdom Grade not stated $58.70 per kilogram
2.5 kilograms$150.83 GFS ChemicalsUnited States ACS grade $60.33 per kilogram
2 kilograms$142.69 GFS ChemicalsUnited States Grade not stated $71.34 per kilogram
12 kilograms$1,120.95 Lab DepotUnited States Food gradePowder $93.41 per kilogram
12 kilograms$1,236.43 Lab DepotUnited States ACS gradePowder $103 per kilogram
500 grams$53.40 GFS ChemicalsUnited States Grade not stated $107 per kilogram
2.5 kilograms$272.78 Lab AlleyUnited States ACS gradePowder $109 per kilogram
500 grams$59.75 GFS ChemicalsUnited States ACS grade $120 per kilogram
500 grams$72.27 Lab AlleyUnited States USP gradeFood grade $145 per kilogram
500 grams$72.27 Lab AlleyUnited States Laboratory grade $145 per kilogram
500 grams$78.11 Lab AlleyUnited States ACS gradePowder $156 per kilogram
25 grams$5.00 Antec Inc.United States Grade not statedPowder $0.20 per gram
12 kilograms$2,754.60 Lab DepotUnited States USP gradeEP gradeBP gradeJP gradePowder $230 per kilogram
500 grams$171.33 Lab DepotUnited States ACS gradePowder $343 per kilogram
500 grams$171.90 Lab DepotUnited States Food gradePowder $344 per kilogram
500 grams$405.89 Lab DepotUnited States USP gradeEP gradeBP gradeJP gradePowder $812 per kilogram
22.7 kilograms295.00 CAD, about $211 Xenex LaboratoriesCanada Out of stockUSP gradeFood gradePowder $9.30 per kilogram
500 grams400.00 CAD, about $286 Steveston Chemical Solutions Ltd.Canada Out of stockGrade not stated $573 per kilogram
Cite these pricesA ready sentence and reference for your report

For your report

As of November 1, 2026, the lowest store price for calcium hydroxide was $3.49 per kilogram, converted to US dollars: 25 kilograms for 8,290.00 INR at AlphaChemika.

Reference

APA, 7th edition

ChemicalSuppliers.com. (2026, November 1). Calcium hydroxide suppliers and prices. Retrieved November 3, 2026, from https://www.chemicalsuppliers.com/calcium-hydroxide/

ACS

Calcium Hydroxide Suppliers and Prices. ChemicalSuppliers.com, November 1, 2026. https://www.chemicalsuppliers.com/calcium-hydroxide/ (accessed 2026-11-03).

BibTeX

@misc{chemicalsuppliers-calcium-hydroxide,
  author  = {{ChemicalSuppliers.com}},
  title   = {{Calcium hydroxide} suppliers and prices},
  year    = {2026},
  date    = {2026-11-01},
  url     = {https://www.chemicalsuppliers.com/calcium-hydroxide/},
  urldate = {2026-11-03},
  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 Calcium Hydroxide and what they cost at the cheapest store we track.
You need
74.1 grams
of Calcium Hydroxide, molar mass 74.09 g/mol
That much costs
$0.26
$0.26 per litre of solution, at the lowest price per gram we found
Cheapest way to buy it
$2.32
1 pack of 500 grams at AlphaChemika
View at AlphaChemika

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

Bulk suppliers

52 companies supply it. 21 reported making or distributing it in the US to the Environmental Protection Agency in 2020 and 2024. The other 31 list it on PubChem or their own site. Ask any of them for a quote.

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

Sold by

Chemical identity

Formula, molar mass, CAS number, InChIKey and the official PubChem record
Formula
CaH2O2
Molar mass
74.09 g/mol
CAS number
1305-62-0
InChIKey
AXCZMVOFGPJBDE-UHFFFAOYSA-L
Official record
PubChem 6093208

How we compare: each store's own price, turned into US dollars at European Central Bank rates of 2026-11-02, then divided by the pack size. Shipping and tax are not included.