Potassium Hydroxide (KOH) 90%
CAS 1310-58-3
Liquid Soap and Detergent · Potassium Salts · Fertilizer
- Potassium hydroxide (KOH), %
- min 90
- Potassium carbonate (K2CO3), %
- max 0,5
- Chloride (Cl), %
- max 0,005
- Sulphate (SO4), %
- max 0,002
Technical Specifications
| Parameter | Value | Method / unit |
|---|---|---|
| Appearance | White flakes / pellets | — |
| Potassium hydroxide (KOH), % | min 90 | % |
| Potassium carbonate (K2CO3), % | max 0,5 | % |
| Chloride (Cl), % | max 0,005 | % |
| Sulphate (SO4), % | max 0,002 | % |
| Nitrate / Nitrite (N), % | max 0,0005 | % |
| Phosphate (PO4), % | max 0,002 | % |
| Silica (SiO3), % | max 0,01 | % |
| Iron (Fe), % | max 0,0002 | % |
| Sodium (Na), % | max 1,0 | % |
| Calcium (Ca), % | max 0,002 | % |
| Aluminium (Al), % | max 0,001 | % |
| Nickel (Ni), % | max 0,0005 | % |
| Lead (Pb), % | max 0,001 | % |
Detailed application areas
Liquid soap and detergent production. Potassium salts. Fertilizer. Biodiesel transesterification. Water treatment. pH adjustment and neutralization.
Use Cases
- Liquid Soap and Detergent
- Potassium Salts
- Fertilizer
- Biodiesel
- Water Treatment
- pH Adjustment
Packaging & storage
Packaging
25 kg PE bag · 1000 kg big-bag.
Storage
Stored in a cool, dry, well-ventilated area; protected from moisture and CO2.
Transport
Can be transported by road and sea (UN 1813).
Shelf Life
24 months
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Product Information
Potassium Hydroxide (KOH) 90% (KOH) is an industrial product in the inorganic chemicals category, used in Liquid Soap and Detergent, Potassium Salts. Typical specifications: Appearance: White flakes / pellets; Potassium hydroxide (KOH), % 90; Potassium carbonate (K2CO3), % 0,5. KORKİMYA supplies Potassium Hydroxide (KOH) 90% in 25 kg PE bag · 1000 kg big-bag.. Shelf life: 24 months.
High-purity 90% potassium hydroxide (solid flakes/pellets); a strong inorganic base used in the production of liquid soap, potassium salts, fertilizers and specialty chemicals.
- Formula
- KOH
- CAS
- 1310-58-3
- UN No
- 1813
- Packing Group
- II
- Category
- Inorganic Chemicals
Frequently asked questions
What is potassium hydroxide (KOH) 90% and where is it used?
KOH 90% is a high-purity potassium hydroxide in white flake/pellet form (CAS 1310-58-3). As a strong inorganic base it is used in liquid soap and detergents, potassium salts, fertilizer, biodiesel transesterification and water treatment, and for pH adjustment and neutralization.
What is the difference between 90% KOH flake and 48% KOH solution?
Both are the same substance (CAS 1310-58-3); the difference is the form. KOH 90% is a solid white flake/pellet at higher concentration, which is more efficient to ship and store (UN 1813). KOH 48% is a liquid solution that is easy to dose (UN 1814).
How is 90% KOH stored?
KOH 90% is stored in a cool, dry, well-ventilated area, protected from moisture and atmospheric CO2. Its shelf life is 24 months, and it can be transported by road and sea under UN 1813. It is supplied in 25 kg PE bags and 1000 kg big-bags.
What are the typical purity and impurity values for 90% KOH?
The product contains a minimum of 90% KOH. Typical impurity limits are potassium carbonate (K2CO3) max 0.5%, chloride (Cl) max 0.005%, sodium (Na) max 1.0% and iron (Fe) max 0.0002%. The full specification and a certificate of analysis (CoA) are provided by KORKİMYA on request.
How is 90% KOH flake supplied wholesale and how do I request a price quote?
KOH 90% flake (CAS 1310-58-3) is supplied in 25 kg PE bags or 1000 kg big bags. Shelf life is 24 months. To request a price quote, contact KORKİMYA and state the quantity you need. Prices are shared only in the quote.
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Last updated: 04/10/2026
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