Molekula
Potassium hydroxide 1M 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 1M aqueous solution is a highly concentrated alkaline solution used for pH adjustment, chemical synthesis, and analytical applications in laboratories. It provides precise molarity for titrations, buffer preparation, and reagent-grade reactions. This product has a CAS number of 1310-58-3, molecular formula KOH, and a molecular weight of 56.11 g/mol. It should be stored at ambient conditions and handled with caution, as indicated by its Danger signal word. Molekula supplies Potassium hydroxide 1M 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.
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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 solution |
| Assay | 0.90-1.10M |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90030284 |
| 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
- 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+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
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- 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
No alternate names recorded for this product.
Frequently asked questions
What is a 1M aqueous solution of potassium hydroxide commonly used for?
This solution is widely used in laboratories for pH adjustment, saponification (soap-making), buffer preparation, and as a titrant in acid-base titrations.
What is the chemical formula and molecular weight of potassium hydroxide?
The formula is **KOH**, and its molecular weight is **56.11 g/mol** (anhydrous).
How should this 1M KOH solution be stored?
Store at **ambient temperature** in a tightly sealed, airtight container, away from moisture and carbon dioxide (as it reacts with both).
What grade of potassium hydroxide solution does Molekula supply?
Molekula supplies this product as a **laboratory reagent grade** (1M aqueous solution), suitable for analytical and research applications.
Can Molekula supply this product in bulk quantities?
Yes, Molekula can provide this 1M KOH solution in **bulk quantities** upon request, subject to availability and order specifications.
What documentation comes with an order of this product?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and a **product label** with hazard information (Signal Word: Danger).
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.