Tetraethylammonium hydroxide, 25% w/w in methanol

Product Code.	Quantity	unitSize
11347178	50 g	50g
11357178	10 g	10g
11367178	250 g	250g

Product Code. 11347178 Supplier Thermo Scientific Alfa Aesar Supplier No. 016328.18

Description

CAS: 77-98-5 | C8H21NO | 147.26 g/mol

It is used as a phase transfer catalyst, the template agent synthesized by molecular sieve and cleaning agents, as a surfactant, used to anisotropically etch silicon, in thermochemolysis, as a basic solvent in the development of acidic photo resist in the photolithography process.

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

Specifications

Chemical Identifiers

• CAS: 77-98-5
• Molecular Formula: C8H21NO
• Molecular Weight (g/mol): 147.26
• MDL Number: MFCD00009024
• InChI Key: LRGJRHZIDJQFCL-UHFFFAOYSA-M
• Synonym: tetraethylammonium hydroxide, tetraethyl ammonium hydroxide, unii-ra8vu41b1f, ammonium, tetraethyl-, hydroxide, tetraethylazanium hydroxide, ethanaminium, n,n,n-triethyl-, hydroxide, ra8vu41b1f, ethanaminium, n,n,n-triethyl-, hydroxide 1:1, tetraethylammonium hydroxide solution in water, n,n,n-triethylethanaminium
• PubChem CID: 6509
• IUPAC Name: tetraethylazanium;hydroxide
• SMILES: [OH-].CC[N+](CC)(CC)CC

• Density: 0.88 g/mL
• Boiling Point: (decomposition)
• Flash Point: 16°C (60°F)
• Odor: Like alcohol
• Refractive Index: 1.38
• Quantity: 50 g
• UN Number: UN2924
• Beilstein: 3912961
• Sensitivity: Air Sensitive
• Merck Index: 14,9201
• Solubility Information: Soluble in water.
• Formula Weight: 147.26
• Concentration or Composition (by Analyte or Components): 25% w/w in methanol
• Physical Form: Liquid
• Chemical Name or Material: Tetraethylammonium hydroxide

Safety and Handling

Product Identifier

• Tetraethylammonium hydroxide, 25% w/w in methanol

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 2
• Acute toxicity Category 3
• Serious eye damage/eye irritation Category 1
• Flammable liquid Category 2
• Substances and mixtures corrosive to metals Category 1
• Skin corrosion/irritation Category 1 B
• Specific target organ toxicity Category 1
• Specific target organ toxicity after single exposure Category 1

Hazard Statement

• H225-Highly flammable liquid and vapour.
• H290-May be corrosive to metals.
• H300-Fatal if swallowed.
• H311-Toxic in contact with skin.
• H314-Causes severe skin burns and eye damage.
• H318-Causes serious eye damage.
• H331-Toxic if inhaled.
• H370-Causes damage to organs.
• H372-Causes damage to organs.

Precautionary Statement

• P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
• P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
• 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.
• P310-Immediately call a POISON CENTER/doctor/.
• P330-Rinse mouth.

Supplemental information

• MIXTURE LIST-Contains : Methanol, Tetraethylammonium hydroxide

SDS

RUO – Research Use Only