About this product
Caustic Potash is the trade name for potassium hydroxide (KOH), and we supply it as white flakes at 90% min total alkalinity, CAS 1310-58-3. Buyers use it for soft and liquid soap manufacture, potassium salt production, alkaline cleaning formulations and pH control. We stock it in 25 kg bags, sourced from a domestic chlor-alkali manufacturer and from imported Korean-origin material, dispatched from our Redhills warehouse across Chennai and South India.
Applications & Uses
Safety & Technical Documents
MSDS / SDS
TDS / COA
Certificate of Analysis · with every supply, on request
Need another sheet? Browse the full SDS & TDS library — safety and technical data sheets for every product we stock.
Product DataTechnical Specifications
Physical Properties
- Appearance
- White flakes
- Purity
- 90% min (total alkalinity as KOH)
- Assay
- Total alkalinity as KOH 90.0% mass min; carbonates as K2CO3 1.0% mass max
Supply & Packaging
- Packaging
- 25 kg bags
- Grades Available
- Potassium Hydroxide Flakes, 90% min
- Origin
- Both
Compliance & Storage
- HS Code
- 2815 20 00
- UN Number
- 1813
- Hazard Class
- Class 8 — Corrosive solid
- Storage
- Store dry and sealed, away from acids and volatile organics.
These specs are indicative. Request a Certificate of Analysis (COA) for batch-specific values.
Source Manufacturers
Sourced directly from verified manufacturers for consistent quality and traceability.
Supplied across South IndiaCoimbatoreMaduraiHosurBangaloreHyderabadVisakhapatnamKochi
Frequently Asked Questions
What is the CAS number and HSN code for caustic potash?
Caustic Potash carries CAS number 1310-58-3 and HSN code 2815 20 00. Both are printed on our SPC technical data sheet, document SPC-TDS-ALK-002.
Is caustic potash the same as potassium hydroxide, and how is it different from caustic soda?
Yes — caustic potash is the trade name for potassium hydroxide, chemical formula KOH, also sold as potassium hydroxide flakes or KOH flakes. Caustic soda is a different alkali, sodium hydroxide, and we stock that separately.
What is caustic potash used for?
It is used for soft and liquid soap manufacture, potassium salt production, alkaline cleaning and degreasing formulations, pH control and neutralisation, alkaline battery electrolyte and biodiesel transesterification.
What grade and purity of caustic potash flakes do you stock?
We supply Potassium Hydroxide Flakes, 90% min — total alkalinity as KOH 90.0% mass min, carbonates as K2CO3 1.0% mass max, appearance white flakes. Chlorides as KCl, iron as Fe and sodium as Na are reported on the batch analysis. Our published values come from the manufacturer's Analytical Report.
Do you supply caustic potash in Chennai, and what packaging is available?
Yes. We stock caustic potash in 25 kg bags at our Redhills warehouse in Chennai and dispatch across South India. Order sizes depend on packaging and current stock — call or WhatsApp +91 86087 80096 for a quote.
How should caustic potash be stored and handled?
Caustic potash is a strongly corrosive solid, UN 1813, Class 8, and causes severe skin and eye burns. Store it dry and sealed, away from acids and volatile organics, and use chemical goggles, gloves and an apron when handling. A full SPC-branded MSDS is available for download on the product page.
Packaging Options
Product Details
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