Tetraethylammonium hydroxide, 25% w/w in methanol

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: 250 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

Hazard Category	H225-H290-H300-H311+H331-H314-H335-H370-H372
Hazard Statement	GHS H Statement H224-H300-H310-H330-H370-H314-H318 Extremely flammable liquid and vapor. Fatal if swallowed. Fatal in contact with skin. Fatal if inhaled. Causes damage to organs. Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statement	P210-P233-P234-P235-P240-P241-P242-P243-P260-P264b-P270-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P370+P378q-P390-P501c
DOTInformation	Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: FLAMMABLE LIQUIDS, CORROSIVE, N.O.S.
EINECSNumber	201-073-3
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only