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2,2,5,5-Tetramethyl-4-phenyl-3-imidazoline-3-oxide-1-oxyl

2,2,5,5-Tetramethyl-4-phenyl-3-imidazoline-3-oxide-1-oxyl structure

CAS No.: 18796-03-7

Chemical Name:: 2,2,5,5-Tetramethyl-4-phenyl-3-imidazoline-3-oxide-1-oxyl

Synonyms: TPIO;2,2,5,5-Tetramethyl-4-phenyl-3-imidazoline-3-oxide-1-oxyl;4-phenyl-2,2,5,5-tetramethyl-3-imidazolin-1-yloxy-3-oxide;[(4-Phenyl-2,2,5,5-tetramethyl-3-imidazoline 3-oxide)-1-yloxy]radical;[(2,2,5,5-Tetramethyl-4-phenyl-3-imidazoline-3-oxide)-1-yloxy]radical;[(2,2,5,5-Tetramethyl-4-phenyl-3-imidazoline 3-oxide)-1-yloxy]radical;4-PHENYL-2,2,5,5-TETRAMETHYL-3-IMIDAZOLIN-1-YLOXY-3-OXIDE FREE RADICAL;2,2,5,5-TETRAMETHYL-4-PHENYL-3-IMIDAZOLINE-3-OXIDE-1-OXYL, FREE RADICAL;4-PHENYL-2,2,5,5-TETRAMETHYL-3-IMIDAZOLIN-1-YLOXY-3-OXIDE FREE RADICAL 98%

CBNumber:: CB6720177

Molecular Formula:: C13H17N2O2*

Molecular Weight:: 233.29

MDL Number:: MFCD00074928

MOL File:: 18796-03-7.mol

Last updated:2026-09-12 18:54:22

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2,2,5,5-Tetramethyl-4-phenyl-3-imidazoline-3-oxide-1-oxyl Properties

Melting point	103-105 °C(lit.)
Boiling point	375.53°C (rough estimate)
Density	1.0970 (rough estimate)
refractive index	1.6450 (estimate)
storage temp.	0-6°C

SAFETY

Risk and Safety Statements

Safety Statements

24/25

WGK Germany

HS Code

29332990

NFPA 704

	0
1		0

2,2,5,5-Tetramethyl-4-phenyl-3-imidazoline-3-oxide-1-oxyl price More Price(1)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
American Custom Chemicals Corporation	CHM0007463	2,2,5,5-TETRAMETHYL-4-PHENYL-3-IMIDAZOLINE-3-OXIDE-1-OXYL 95.00%	18796-03-7	100MG	$571.21	2021-12-16	Buy

Product number	Packaging	Price	Buy
CHM0007463	100MG	$571.21	Buy

2,2,5,5-Tetramethyl-4-phenyl-3-imidazoline-3-oxide-1-oxyl Chemical Properties,Uses,Production

Chemical Properties

ORANGE TO PINK-ORANGE CRYSTALLINE SOLID

2,2,5,5-Tetramethyl-4-phenyl-3-imidazoline-3-oxide-1-oxyl Preparation Products And Raw materials

Raw materials

Preparation Products

2,2,5,5-Tetramethyl-4-phenyl-3-imidazoline-3-oxide-1-oxyl Suppliers

Global( 11)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
Thermo Fisher Scientific	800-810-5118	cnchemical@thermofisher.com	China	17752	75
Shandong Ono Chemical Co., Ltd.	0539-6362799 20）		China	9998	58
DAYANG CHEM (HANGZHOU) CO.,LTD	+86-88938639 +86-17705817739	info@dycnchem.com	China	53799	58

Supplier	Advantage
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Thermo Fisher Scientific	75
Shandong Ono Chemical Co., Ltd.	58
DAYANG CHEM (HANGZHOU) CO.,LTD	58

18796-03-7(2,2,5,5-Tetramethyl-4-phenyl-3-imidazoline-3-oxide-1-oxyl)Related Search:

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4-PHENYL-2,2,5,5-TETRAMETHYL-3-IMIDAZOLIN-1-YLOXY-3-OXIDE FREE RADICAL 2,2,5,5-TETRAMETHYL-4-PHENYL-3-IMIDAZOLINE-3-OXIDE-1-OXYL, FREE RADICAL 4-PHENYL-2,2,5,5-TETRAMETHYL-3-IMIDAZOLIN-1-YLOXY-3-OXIDE FREE RADICAL 98% 4-phenyl-2,2,5,5-tetramethyl-3-imidazolin-1-yloxy-3-oxide [(2,2,5,5-Tetramethyl-4-phenyl-3-imidazoline 3-oxide)-1-yloxy]radical [(2,2,5,5-Tetramethyl-4-phenyl-3-imidazoline-3-oxide)-1-yloxy]radical [(4-Phenyl-2,2,5,5-tetramethyl-3-imidazoline 3-oxide)-1-yloxy]radical TPIO 2,2,5,5-Tetramethyl-4-phenyl-3-imidazoline-3-oxide-1-oxyl 18796-03-7