Molekula
Potassium hydroxide flakes
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 flakes are a strong alkaline chemical widely used in industrial processes, including pH regulation, soap manufacturing, and alkaline battery production. It is also applied in food processing, water treatment, and as a laboratory reagent. This chemical has a CAS number of 1310-58-3, a molecular formula of KOH, and a molecular weight of 56.11 g/mol. It is typically stored at ambient conditions but requires careful handling due to its corrosive nature, indicated by its "Danger" signal word. Molekula supplies Potassium hydroxide flakes 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 | White flakes |
| Chloride (Cl-) | ≤0.005% |
| Assay | ≥90.0% |
| Heavy Metals (Pb) | ≤0.001% |
| Iron (Fe) | ≤0.0002% |
| Sodium (Na) | ≤0.50% |
| Potassium carbonate (K₂CO₃) | ≤0.5% |
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 | 90031589 |
| 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
-
Corrosive
GHS05
-
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, Portuguese, 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 flakes primarily used for?
Potassium hydroxide flakes are commonly used in industrial processes such as saponification (soap-making), pH regulation, alkaline batteries, and as a strong base in chemical synthesis.
What is the molecular formula and molecular weight of potassium hydroxide flakes?
The molecular formula is **KOH**, and the molecular weight is **56.11 g/mol**.
How should potassium hydroxide flakes be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture, carbon dioxide, and incompatible materials like acids or aluminum.
What grades of potassium hydroxide flakes does Molekula supply?
Molekula supplies **industrial-grade potassium hydroxide flakes** (typically ≥85% purity) suitable for manufacturing and laboratory applications.
Can Molekula supply potassium hydroxide flakes in bulk quantities?
Yes, Molekula can provide potassium hydroxide flakes in **bulk quantities** (e.g., drums or totes) for large-scale industrial use—please inquire for specific packaging options.
What documentation is provided with a potassium hydroxide flakes order?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and a **packing list** 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.