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2,2,5,5-TETRAMETHYL-3-PYRROLIN-1-OXYL-3-CARBOXYLIC ACID

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Origin: China

Cas No: 2154-67-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Property

CAS No.: 2154-67-8 Formula: C9H14NO3 Molecular Weight: 184.21200

Description

A highly reactive spin-label.

Basic Info

Chemical Name	2,2,5,5-TETRAMETHYL-3-PYRROLIN-1-OXYL-3-CARBOXYLIC ACID
Synonyms	2,2,5,5-Tetramethyl-3-pyrrolin-1-oxyl-3-carboxylic acid; 2,2,5,5-tetramethyl-1-oxylopyrroline-3-carboxylic acid; 2,2,5,5-tetramethylpyrrolin-1-oxyl-3-carboxylic acid; 3-CARBOXYL-2,2,5,5-TETRAMETHYL-3-PYRROLIN-1-YLOXY; PCAOL; 3-carboxy-dehydro-PROXYL; 1-OXY-2,2,5,5-TETRAMETHYL-3-PYRROLINE-3-CARBOXYLIC ACID; 2,2,5,5,-tetramethyl-3-pyrrolinyl-1-oxyl-3-carboxylic acid; 3-carboxy-DPRO; 1-oxyl-3-carboxyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrole; 3-CARBOXYL-1-OXY-2,2,5,5-TETRAMETHYLPYRROLINE; 3-CARBOXY-2,2,5,5-TETRAMETHYL-3-PYRROLIN-1-YLOXY; CTPC; 3-carboxy-2,5-dihydro-2,2,5,5-tetramethyl-1h-pyrrol-1-ylox; 2,2,5,5-tetramethyl-1-oxy-3-pyrroline-3-carboxylic acid;
CAS No.	2154-67-8
Molecular Formula	C9H14NO3
Molecular Weight	184.21200
PSA	40.54000
LogP	1.15360

Properties

Boiling Point	311.6ºC at 760 mmHg
Melting Point	202ºC
Flash Point	142.2ºC
Storage Condition	-20ºC Freezer
Vapor Pressure	0.000123mmHg at 25°C

Safety Info

Safety Statements	S24/25

Synthesis Route

2,2,5,5-Tetramethyl-2,5-dihydro-1H-pyrrole-3-carboxylic acid→2,2,5,5-TETRAMETHYL-3-PYRROLIN-1-OXYL-3-CARBOXYLIC ACID
2,2,5,5-tetramethyl-1-oxopyrrol-1-ium-3-carboxamide→2,2,5,5-TETRAMETHYL-3-PYRROLIN-1-OXYL-3-CARBOXYLIC ACID
3-[(Ethoxycarbonyl)oxycarbonyl]-2,5-dihydro-2,2,5,5-tetramethyl-1H-pyrrol-1-yloxy, free radical→3-(hydroxycarbamoyl)-2,2,5,5-tetramethyl-2,5-dihydropyrrol-1-oxyl+3-(aminooxycarbonyl)-2,2,5,5-tetramethylpyrrolin-1-oxyl

Precursor

2,2,5,5-tetramethyl-1-oxopyrrol-1-ium-3-carboxamide
3-[(Ethoxycarbonyl)oxycarbonyl]-2,5-dihydro-2,2,5,5-tetramethyl-1H-pyrrol-1-yloxy, free radical
2,2,5,5-Tetramethyl-2,5-dihydro-1H-pyrrole-3-carboxylic acid

Downstream Product

ethyl (E)-3-(1-λ<sup>1</sup>-oxidanyl-2,2,5,5-tetramethylpyrrol-3-yl)prop-2-enoate
3-[(Ethoxycarbonyl)oxycarbonyl]-2,5-dihydro-2,2,5,5-tetramethyl-1H-pyrrol-1-yloxy, free radical
3-Hydroxymethyl-(1-oxy-2,2,5,5-tetramethylpyrroline)
methyl 1-λ<sup>1</sup>-oxidanyl-2,2,5,5-tetramethylpyrrole-3-carboxylate

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