Molekula
Potassium hydroxide pellets
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Potassium hydroxide pellets are a strong alkaline compound widely used in industrial processes, including pH regulation, soap and detergent manufacturing, and chemical synthesis. This versatile chemical serves as a key reagent in laboratories and a critical component in various industrial applications due to its high reactivity and solubility. Potassium hydroxide pellets have a CAS number of 1310-58-3, with the molecular formula KOH and a molecular weight of 56.11. They are typically stored at ambient temperatures and carry a Signal Word of "Danger" due to their corrosive properties. Molekula supplies potassium hydroxide pellets 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.
Often bought together
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — $53.60 per pack
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 | White deliquescent pellets |
| Heavy metals | ≤ 10ppm |
| Chloride (Cl-) | ≤ 50ppm |
| Assay | 85 - 100.5% (KOH) |
| Iron (Fe) | ≤ 10ppm |
| Sodium (Na) | ≤ 1% |
| Sulphates (SO4)(2-) | ≤ 50ppm |
| Phosphate (PO4)3- | ≤ 20ppm |
| Carbonate as potassium carbonate (K2CO3) | ≤ 2% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White rhombic crystals |
| Odour | Odorless |
| Melting Point | 380 °C |
| Boiling Point | 1327 °C |
| Density | 2.044 g/cm³ |
| Solubility (other solvents) | Soluble in ethanol, methanol |
| Vapour Pressure | 1 mmHg at 714 °C |
Source: PubChem CID 14797 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 32207231 |
| 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 | UN1813 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2815.20.0050 |
| Tariff Code | 2815200000 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- H290 May be corrosive to metals
- H302 Harmful if swallowed
- 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+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- 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, German, Italian, 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
Frequently asked questions
What is potassium hydroxide pellets primarily used for?
Potassium hydroxide pellets are commonly used in industrial processes like pH regulation, soap manufacturing, and as a strong base in chemical synthesis.
What is the chemical formula and molecular weight of potassium hydroxide pellets?
The chemical formula is **KOH**, and the molecular weight is **56.11 g/mol**.
What safety classification does potassium hydroxide pellets have?
The signal word for potassium hydroxide pellets is **Danger**, indicating severe hazards like corrosivity and skin/eye damage.
How should potassium hydroxide pellets be stored?
Store potassium hydroxide pellets in a **dry, well-ventilated area at ambient temperature**, away from moisture and incompatible substances.
Does Molekula supply potassium hydroxide pellets in bulk quantities?
Yes, Molekula can supply potassium hydroxide pellets in bulk, with customizable packaging options for large orders.
What documentation is provided with a potassium hydroxide pellets order?
Each order includes a **Certificate of Analysis (CoA), Safety Data Sheet (SDS), and a Material Safety Information (MSI) document** for compliance and safety.
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.