Molekula
Potassium Hydroxide 10% Aqueous Solution
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Potassium hydroxide 10% aqueous solution is a strong alkaline chemical widely used in industrial cleaning, pH regulation, and chemical synthesis. It dissolves grease, oils, and proteins effectively, making it essential for processes like soap production, food processing, and wastewater treatment. It also serves as an electrolyte in alkaline storage batteries, a wet etchant in semiconductor manufacturing, and a bath chemical in electroplating, as well as a titrant for alkalimetric analysis. This solution has a CAS number of 1310-58-3, with the molecular formula KOH and a molecular weight of 56.11. It is stored at ambient temperatures and classified with a signal word of Danger due to its corrosive properties. Molekula supplies Potassium Hydroxide 10% Aqueous Solution from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear colourless liquid |
| Assay | 9.0-11.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90032983 |
| CAS Number | 1310-58-3 |
| IUPAC Name | potassium hydroxide |
| EC Number | 215-181-3 |
| Molecular Formula | KOH |
| Molecular Weight | 56.11 |
| Exact Mass | 55.9664 |
| SMILES | [OH-].[K+] |
| InChIKey | KWYUFKZDYYNOTN-UHFFFAOYSA-M |
| InChI | InChI=1S/K.H2O/h;1H2/q+1;/p-1 |
| PubChem CID | 14797 |
| UN Number | UN1814 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2815.20.0090 |
| Tariff Code | 2815200000 |
Safety & GHS
-
Corrosive
GHS05
Hazard statements
- H290 May be corrosive to metals
- H314 (sub cat. 1A) Causes severe skin burns and eye damage
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Caswell No. 693
- Caustic potash
- Cyantek CC 723
- Hydroxyde de potassium
- Kali causticum
- Potash lye
- Potassa
- Potasse caustique
- Potassium hydrate
- Potassium hydroxide (K(OH))
Frequently asked questions
What is a 10% aqueous potassium hydroxide solution commonly used for?
This solution is widely used in pH adjustment, chemical synthesis, wastewater treatment, and as a strong base in laboratory and industrial processes.
What is the chemical formula and molecular weight of potassium hydroxide?
The chemical formula is **KOH**, and its molecular weight is **56.11 g/mol**.
How should this 10% KOH aqueous solution be stored?
Store at **ambient temperature** in a tightly sealed, corrosion-resistant container, away from moisture and incompatible substances.
What grade or purity is available for this potassium hydroxide solution?
This is a **technical/industrial-grade** aqueous solution (10% w/w), suitable for most industrial and laboratory applications requiring a strong base.
Can Molekula supply this potassium hydroxide solution in bulk quantities?
Yes, we offer **bulk packaging options** (e.g., drums, IBCs) for large-volume orders—please contact our sales team for pricing and logistics details.
What documentation is provided with an order of this product?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a packing list; additional documentation (e.g., batch-specific reports) is available upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.