257494

3-Cyano-PROXYL

for ESR-spectroscopy

• Synonym(s): 3-Cyano-2,2,5,5-tetramethyl-1-pyrrolidinyloxy, free radical
• Empirical Formula (Hill Notation): C₉H₁₅N₂O
• CAS Number: 2154-70-3
• Molecular Weight: 167.23
• MDL number: MFCD00010548
• UNSPSC Code: 12352000
• PubChem Substance ID: 24855418
• NACRES: NA.22

Properties

• Quality Level: 100
• form: solid
• mp: 31-33 °C (lit.)
• functional group: nitrile
• storage temp.: 2-8°C
• SMILES string: CC1(C)CC(C#N)C(C)(C)N1[O]
• InChI: 1S/C9H15N2O/c1-8(2)5-7(6-10)9(3,4)11(8)12/h7H,5H2,1-4H3
• InChI key: RQRRZZIMMXPAGX-UHFFFAOYSA-N

Description

General description

Spin label

Application

3-Cyano-PROXYL is a stable free radical that can be used in the ESR technique as a nitroxide standard:

• For the estimation of relative concentrations of the spin adducts of 5,5-dimethyl-1-pyrroline-N-oxide (DMPO) with ·OH and O₂^.- radicals.
• For the determination of free radicals present in an aqueous cigarette tar extract.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H302 + H312 + H332
• Precautionary Statements: P261 - P264 - P280 - P301 + P312 - P302 + P352 + P312 - P304 + P340 + P312
• Hazard Classifications: Acute Tox. 4 Oral
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): 235.4 °F - closed cup
• Flash Point(C): 113 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves