Molekula
Potassium tert-butoxide
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 tert-butoxide is a strong organic base used in deprotonation reactions and as a catalyst in organic synthesis. It is available in powder or solid form, typically stored at ambient temperature. CAS: 865-47-4, Molecular formula: KOC(CH3)3, Molecular weight: 112.21 g/mol. Signal word: Danger. Molekula supplies Potassium tert-butoxide 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
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.
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500 g — £103.30 per pack ex VAT · £123.96 inc. VAT
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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.
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Specifications
| Property | Value |
|---|---|
| Appearance | White to almost white powder |
| Content | ≥98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 4.2 (8) |
| Packing Group | II |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 12739396 |
| CAS Number | 865-47-4 |
| IUPAC Name | potassium 2-methylpropan-2-olate |
| EC Number | 212-740-3 |
| Molecular Formula | KOC(CH3)3 |
| Molecular Weight | 112.21 |
| Exact Mass | 112.029 |
| SMILES | CC(C)(C)[O-].[K+] |
| InChIKey | LPNYRYFBWFDTMA-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H9O.K/c1-4(2,3)5;/h1-3H3;/q-1;+1 |
| PubChem CID | 23665647 |
| UN Number | UN3206 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| Tariff Code | 29051900 |
Safety & GHS
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Flammable
GHS02
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- EUH014 Reacts violently with water
- H228 Flammable solid
- H252 Self-heating in large quantities; may catch fire
- H260 In contact with water releases flammable gases which may ignite spontaneously
- H302 Harmful if swallowed
- H314 Causes severe skin burns and eye damage
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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
- P310 Immediately call a POISON CENTER or doctor/physician
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
- 2-Methyl-2-propanol, potassium salt
- 2-Propanol, 2-methyl-, potassium salt
- 2-Propanol, 2-methyl-, potassium salt (1:1)
- potassium 1,1-dimethylethoxide
- potassium 2-methylpropan-2-olate
- potassium t-butanolate
- Potassium T-butoxide
- Potassium tert-butanolate
- Potassium tert-butylate
- tert-butoxypotassium
Frequently asked questions
What is potassium tert-butoxide used for?
It is commonly used as a strong base in organic synthesis, particularly in elimination reactions and the formation of enolates.
What is the chemical formula and molecular weight of potassium tert-butoxide?
The formula is KOC(CH3)3 and the molecular weight is 112.21 g/mol.
How should potassium tert-butoxide be stored?
It should be stored at ambient temperature, protected from moisture and air.
What grade of potassium tert-butoxide does Molekula supply?
Molekula supplies potassium tert-butoxide in reagent grade.
Can Molekula supply potassium tert-butoxide in bulk?
Yes, Molekula can supply potassium tert-butoxide in bulk quantities upon request.
What documentation comes with a purchase of potassium tert-butoxide?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
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.