Skip to content
Molekula

Molekula

Potassium tert-butoxide, 1M in Tetrahydrofuran

SKU 90026569 CAS 865-47-4 (CH3)3COK MW 112.21 Made to order Bulk quantities on request

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 tert-butoxide, 1M in tetrahydrofuran is a strong base used in organic synthesis for deprotonation and elimination reactions. It is supplied in a stable, ready-to-use solution. CAS: 865-47-4, Molecular formula: (CH3)3COK, Molecular weight: 112.21 g/mol, Storage: Ambient, Signal word: Danger.

Molekula supplies Potassium tert-butoxide, 1M in Tetrahydrofuran in 5 L packs, from £655.20 inc. VAT. It is made or sourced to order. Every batch ships with a certificate of analysis, and safety data sheets are available in 6 languages. Larger quantities, up to multi-tonne, are quoted on request.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

On backorder — expected to ship by 5 December 2026

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.

Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.

  • 5 L — £546.00 per pack ex VAT · £655.20 inc. VAT

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.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

Prices exclude VAT/sales tax and shipping.

Specifications

Property Value
Appearance Colourless to yellow to light orange solution, may develop some turbidity
Assay 0.95-1.10M

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point -19 °C
Transport Class 4.3 (8)
Packing Group I
Acidity Base

Identification

Property Value
SKU 90026569
CAS Number 865-47-4
Molecular Formula (CH3)3COK
Molecular Weight 112.21
SMILES [K].OC(C)(C)C
UN Number UN3129
REACH Code Y110
TSCA Listed Yes
HTS Code 2905.19.9090
Tariff Code 2905190098

Safety & GHS

Danger
  • GHS pictogram — Flammable Flammable GHS02
  • GHS pictogram — Corrosive Corrosive GHS05
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08

Hazard statements

  • EUH014 Reacts violently with water
  • EUH019 May form explosive peroxides
  • H225 Highly flammable liquid and vapour
  • H302 Harmful if swallowed
  • H314 (sub cat. 1A) Causes severe skin burns and eye damage
  • H336 May cause drowsiness or dizziness
  • H351 Suspected of causing cancer

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P223 Keep away from any possible contact with water, because of violent reaction and possible flash fire
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • 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

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.

Quality certificates

Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is potassium tert-butoxide, 1M in tetrahydrofuran used for?

It is commonly used as a strong base in organic synthesis, particularly in elimination reactions and deprotonation of weak acids.

What is the chemical formula and molecular weight of potassium tert-butoxide?

The formula is (CH3)3COK with a molecular weight of 112.21 g/mol.

How should potassium tert-butoxide, 1M in THF be stored?

It should be stored at ambient temperature, protected from moisture and air.

What grade is available for this product?

No specific grade is stated. The product is specified as a colourless to yellow to light orange solution, which may develop some turbidity, with an assay of 0.95-1.10M.

Can Molekula supply potassium tert-butoxide, 1M in THF in bulk?

Yes, Molekula can supply this product in bulk quantities—please contact our sales team for pricing and availability.

What documentation comes with an order of this product?

Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.

Where can I buy Potassium tert-butoxide, 1M in Tetrahydrofuran?

Directly from Molekula, which lists Potassium tert-butoxide, 1M in Tetrahydrofuran in 5 L packs from £655.20 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.

Is Potassium tert-butoxide, 1M in Tetrahydrofuran dangerous goods for shipping?

Yes. Potassium tert-butoxide, 1M in Tetrahydrofuran ships as dangerous goods: UN3129, class 4.3 (8), packing group I.

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.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket