Potassium tert-pentoxide, 0.9M (14 wt.%) solution in cyclohexane, AcroSeal™, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
11904611	Thermo Scientific Acros 164721000	100 mL	AcroSeal™ Glass bottle
11924611	Thermo Scientific Acros 164728000	800 mL	AcroSeal™ Glass Bottle

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

• Chemical Name or Material: Potassium tert-pentoxide
• Molecular Formula: C5H11KO
• MDL Number: MFCD00064808
• Flash Point: −18°C
• Solubility Information: Solubility in water: hydrolyzes
• SMILES: [K+].CCC(C)(C)[O-]
• Molecular Weight (g/mol): 126.24
• Formula Weight: 126.24
• Specific Gravity: 0.82

• CAS: 41233-93-6, 110-82-7
• Linear Formula: C₂H₅C(CH₃)₂OK
• Fieser: 01,939
• Synonym: potassium 2-methylbutan-2-olate, potassium tert-amylate, potassium tert-pentoxide, potassium tert-pentylate, potassium tert-pentoxide solution, potassium 2-methyl-2-butoxide, 2-butanol, 2-methyl-, potassium salt, potassium tert-amyloxide, 2-butanol, 2-methyl-, potassium salt 1:1
• InChI Key: ZRLVQFQTCMUIRM-UHFFFAOYSA-N
• IUPAC Name: potassium 2-methylbutan-2-olate
• PubChem CID: 23683543
• Refractive Index: 1.4211
• Density: 0.8200g/mL

Safety and Handling

GHS H Statement
Causes severe skin burns and eye damage.
May cause drowsiness or dizziness.
Highly flammable liquid and vapor.
Very toxic to aquatic life with long lasting effects.

GHS P Statement
Do not breathe dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes.
Remove contact lenses,if present a

GHS Signal Word: Danger

missing translation for 'einecsNumber' : 255-272-5

Product Identifier

• Potassium tert-pentoxide, 1M (15 wt.%) solution in cyclohexane

Signal Word

• Danger

Hazard Category

• LONG-TERM AQUATIC HAZARD Chronic 1
• ACUTE AQUATIC Acute 1
• Serious eye damage/eye irritation Category 1
• Flammable liquid Category 2
• Skin corrosion/irritation Category 1 B
• Specific target organ toxicity Category 3

Hazard Statement

• H318-Causes serious eye damage.
• H400-Very toxic to aquatic life.
• H410-Very toxic to aquatic life with long lasting effects.
• H314-Causes severe skin burns and eye damage.
• H336-May cause drowsiness or dizziness.
• H225-Highly flammable liquid and vapour.
• EUH014-Reacts violently with water.

Precautionary Statement

• P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
• P260-Do not breathe dust/fume/gas/mist/vapours/spray.
• P273-Avoid release to the environment.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P308+P313-IF exposed or concerned: Get medical advice/attention.

RUO – Research Use Only