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Tetrabutylammonium hydroxide 12.5% in methanol

CAS 2052-49-5 (CH3CH2CH2CH2)4N(OH) MW 259.47 In stock

Tetrabutylammonium hydroxide 12.5% in methanol is a strong organic base used in organic synthesis, particularly in phase-transfer catalysis and deprotonation reactions. It is a clear, colorless to pale yellow liquid with a characteristic ammoniacal odor. Available in 12.5% concentration in methanol, it has a molecular weight of 259.47 g/mol, CAS number 2052-49-5, and should be stored at ambient temperature. It is classified as Danger due to its corrosive nature. Molekula supplies Tetrabutylammonium hydroxide 12.5% in methanol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Tetrabutylammonium hydroxide 12.5% in methanol is a strong organic base used in organic synthesis, particularly in phase-transfer catalysis and deprotonation reactions. It is a clear, colorless to pale yellow liquid with a characteristic ammoniacal odor. Available in 12.5% concentration in methanol, it has a molecular weight of 259.47 g/mol, CAS number 2052-49-5, and should be stored at ambient temperature. It is classified as Danger due to its corrosive nature. Molekula supplies Tetrabutylammonium hydroxide 12.5% in methanol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Colourless transparent liquid
Conclusion Conforms to standard
Identification Conforms to reference
Assay ≥12.0%

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 10 C
Transport Class 3 (6.1, 8)
Packing Group II
Shelf Life 24 months
Acidity Base

Identification

Property Value
CAS Number 2052-49-5
Molecular Formula (CH3CH2CH2CH2)4N(OH)
Molecular Weight 259.47
SMILES CCCC[N+](CCCC)(CCCC)CCCC.[OH-]
EC / UN Number 3286
REACH Code Y110
TSCA Listed Yes
HTS Code 38159050
Tariff Code 3815909090

Safety & GHS

Danger
  • GHS pictogram — Flammable Flammable GHS02
  • GHS pictogram — Oxidizing Oxidizing GHS03
  • GHS pictogram — Compressed Gas Compressed Gas GHS04
  • GHS pictogram — Corrosive Corrosive GHS05

Hazard statements

  • H225 Highly flammable liquid and vapour
  • H301 + H311 + H331 Toxic if swallowed, in contact with skin or if inhaled
  • H314 (sub cat. 1B) Causes severe skin burns and eye damage
  • H370 Causes damage to organs

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
  • 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
  • P308+313 IF exposed or concerned: Get medical advice/attention

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

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.

Pricing & pack sizes

Pack sizes & pricing

  • 500 mL

    £128.90 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is tetrabutylammonium hydroxide 12.5% in methanol used for?

It is commonly used as a phase-transfer catalyst and base in organic synthesis, particularly in reactions requiring strong basic conditions in non-aqueous environments.

What is the chemical formula and molecular weight?

The formula is (CH3CH2CH2CH2)4N(OH) with a molecular weight of 259.47 g/mol.

How should it be stored?

Store at ambient temperature, away from moisture and incompatible materials, and keep the container tightly closed.

What grade is available?

This product is available as a technical grade solution in methanol, suitable for laboratory and industrial use.

Can Molekula supply it in bulk?

Yes, Molekula can supply tetrabutylammonium hydroxide 12.5% in methanol in bulk quantities—please contact sales for details.

What documentation comes with the order?

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

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