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3-Carboxy-2,2,5,5-tetramethylpyrrolidine 1-oxyl, free radical [spin label]

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Formula: C9H16 N O3
CAS: 2154-68-9
search Element: tetramethylpyrrolidine carboxy radical label free oxyl spin
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Identification

Structural Formula
3-Carboxy-2,2,5,5-tetramethylpyrrolidine 1-oxyl, free radical [spin label]
CAS:
2154-68-9
EINECS:
Molecular Formula:
C9H16 N O3
MDL:
MFCD00003167
Synonym:
3-carboxy-2,2,5,5-tetramethylpyrrolidine-1-oxyl ; 2,2,5,5-tetramethyl-3-carboxypyrrolidinooxy ; nsc 158842 ; carboxyproxyl ; 3-carboxy-proxyl,freeradical,98% ; carboxy-proxyl ; 3-carboxy-2,2,5,5-tetramethylpyrrolidin-1-oxy ; t517 ; 2,2,5,5-tetramethylpyrrolidine-1-oxyl-3-carboxylic acid ; rarechem al bo 1259 ; 3-carboxy-proxyl, free radical ; dl-3-carboxy-2,2,5,5-tetramethyl-1-pyrrolidinyloxyl ; 2,2,5,5-tetramethylpiperidine-1-oxyl-3-carboxylicacid ; 3-carboxy-2,2,5,5-tetramethylpyrrolidinyloxyl ; pca(radical) ; 3-carboxy-1-oxyl-2,2,5,5-tetramethylpyrrolidine ; t 517 ; 3-carboxy-proxyl ; 1-pyrrolidinyloxy,3-carboxy-2,2,5,5-tetramethyl- ; 3-carboxy-2,2,5,5-tetramethylpyrrolidinyloxy ; pca ; 3-carboxy-proxyl 98% ; 2,2,5,5-tetramethyl-3-carboxypyrrolidine-n-oxyl ; 3-carboxy-2,2,5,5-tetramethyl-1-pyrrolidinyloxy




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Properties for 3-Carboxy-2,2,5,5-tetramethylpyrrolidine 1-oxyl, free radical [spin label]

Molecular Weight:
186.26 g·mol−1
Density:
1.129 g/cm3
Melting point:
200°C (dec.)
Boiling point:
307.2°C at 760 mmHg
Flash point:
139.6°C
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Hazard Statements

GHS07

GHS03
Harmful
  • Acute toxicity (oral, dermal, inhalation), category 4
  • Skin irritation, categories 2, 3
  • Eye irritation, category 2A
  • Skin sensitization, category 1
  • Specific target organ toxicity following single exposure, category 3
    - Respiratory tract irritation
    - Narcotic effects
    • Not used
  • with the "skull and crossbones" pictogram
  • for skin or eye irritation if:
  • the "corrosion" pictogram also appears
  • the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Moderately toxic by intravenous route. When heated to decomposition it emits toxic vapors of NOx.
Risk Codes:
R36/37/38 - Irritating to eyes, respiratory system and skin
Safety Codes:
S24/25 - Avoid contact with skin and eyes
Storage temperature :
0-6°C
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Alternative Distributors of [3-Carboxy-2,2,5,5-tetramethylpyrrolidine 1-oxyl, free radical [spin label]]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Pfaltz & Bauer, Inc. | Salsbury Chemicals, Inc., | Jinan Haohua Industry Co., Ltd.

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