10135-38-3

Basic information

• Product Name: 3,3,5,5-TETRAMETHYL-1-PYRROLINE N-OXIDE
• Synonyms: TMPO;3,3,5,5-TETRAMETHYL-1-PYRROLINE N-OXIDE;3,3,5,5-TETRAMETHYL-PYRROLINE-N-OXIDE;M4PO;3,3,5,5-Tetramethyl-1-pyrolline-N-oxide;1-Oxylato-3,3,5,5-tetramethyl-4,5-dihydro-3H-pyrrole-1-ium;3,3,5,5-Tetramethyl-1-pyrroline 1-oxide;3,3,5,5-Tetramethyl-4,5-dihydro-3H-pyrrole 1-oxide
• CAS NO: 10135-38-3
• Molecular Formula: C₈H₁₅NO
• Molecular Weight: 141.21
• Product Categories: Analytical Chemistry;ESR Spectrometry;Spin Trapping Reagents;Building Blocks;Heterocyclic Building Blocks;Pyrrolines
• Mol File: 10135-38-3.mol
• Article Data: 1

Chemical Properties

• Melting Point: 58-61 °C(lit.)
• Boiling Point: 73 °C1 mm Hg(lit.)
• Flash Point: 113.3 °C
• Appearance: white to light yellow adhering crystalline chunks
• Density: 0.9938 (rough estimate)
• Vapor Pressure: 0.0332mmHg at 25°C
• Refractive Index: 1.4610 (estimate)
• Storage Temp.: 0-6°C
• PKA: 2.50±0.60(Predicted)
• CAS DataBase Reference: 3,3,5,5-TETRAMETHYL-1-PYRROLINE N-OXIDE(CAS DataBase Reference)
• NIST Chemistry Reference: 3,3,5,5-TETRAMETHYL-1-PYRROLINE N-OXIDE(10135-38-3)
• EPA Substance Registry System: 3,3,5,5-TETRAMETHYL-1-PYRROLINE N-OXIDE(10135-38-3)

Safety Data

• Safety Statements: 24/25
• WGK Germany: 3
• Hazardous Substances Data: 10135-38-3(Hazardous Substances Data)

Usage

Chemical Properties

white to light yellow adhering crystalline chunks

Uses

TMPO is a pyrroline-based N-oxyl spin trap. TMPO is described for use as a cell-permeable spin trap probe for ESR studies of biological systems.

General Description

The ESR spectrum of 3,3,5,5-tetramethyl-1-pyrroline N-oxide was studied.

InChI:InChI=1/C8H15NO/c1-7(2)5-8(3,4)9(10)6-7/h6H,5H2,1-4H3

Upstream product

• 10135-40-7 1-Hydroxy-2,2,4,4-tetramethylpyrrolidine 
• 6931-11-9 2,4,4-trimethyl-1-pyrroline N-oxide 
• 35223-73-5 4,4-dimethyl-5-nitropentan-2-one 

Downstream Products

• 39931-32-3 4-(5,5,7,7-tetramethyl-2-oxo-tetrahydro-pyrrolo[1,2-b][1,2,4]oxadiazol-1-yl)-benzoic acid ethyl ester 
• 50455-65-7 5,5,7,7-tetramethyl-1-phenyl-tetrahydro-pyrrolo[1,2-b][1,2,4]oxadiazole-2-thione 
• 39931-33-4 1-(4-chloro-phenyl)-5,5,7,7-tetramethyl-tetrahydro-pyrrolo[1,2-b][1,2,4]oxadiazol-2-one 
• 39931-31-2 5,5,7,7-tetramethyl-1-(4-nitro-phenyl)-tetrahydro-pyrrolo[1,2-b][1,2,4]oxadiazol-2-one 

Relevant articles and documents

SPIN TRAPPING OF RADICALS CENTRED AT ELEMENTS OF GROUPS III TO VII WITH 3,3,5,5-TETRAMETHYLPYRROLIDINE N-OXIDE

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