382000

4-Carboxy-TEMPO, free radical

97%

• Synonym(s): 4-Carboxy-2,2,6,6-tetramethylpiperidine 1-oxyl, 4-Carboxy-2,2,6,6-tetramethylpiperidinyloxy, free radical, 4-Carboxy-TEMPO
• Empirical Formula (Hill Notation): C₁₀H₁₈NO₃
• CAS Number: 37149-18-1
• Molecular Weight: 200.25
• UNSPSC Code: 12352000
• NACRES: NA.22
• PubChem Substance ID: 24863856
• MDL number: MFCD00134569
• Beilstein/REAXYS Number: 3949026
• Assay: 97%

Properties

• Quality Segment: 200
• assay: 97%
• mp: 185-189 °C (lit.)
• functional group: carboxylic acid
• storage temp.: 2-8°C
• SMILES string: CC1(C)CC(CC(C)(C)N1[O])C(O)=O
• InChI: 1S/C10H18NO3/c1-9(2)5-7(8(12)13)6-10(3,4)11(9)14/h7H,5-6H2,1-4H3,(H,12,13)
• InChI key: CYQGCJQJIOARKD-UHFFFAOYSA-N

Description

General description

4-Carboxy-TEMPO is a 4-substituted 2,2,6,6-tetramethylpiperidyl-1-oxy (TEMPO) derivative. 4-carboxy-TEMPO immobilized with 3-aminopropylsilane on the mesoporous silica surface comprises heterogeneous catalytic system employed for various oxidation reactions.

Application

4-Carboxy-TEMPO may be employed as catalyst for the oxidation of regenerated cellulose (viscose rayon) to cellouronic acid.

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves