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115754

Sigma-Aldrich

2,2,6,6-Tetramethylpiperidine

≥99%

Sinonimo/i:

2,2,6,6-tetramethylpiperidide, 2,2,6,6-tetramethylpiperidine, Norpempidine, TEMP, TMPH

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About This Item

Formula empirica (notazione di Hill):
C9H19N
Numero CAS:
768-66-1
Peso molecolare:
141.25
Beilstein:
103296
Numero CE:
212-199-3
Numero MDL:
MFCD00005985
Codice UNSPSC:
12352005
ID PubChem:
24847237
NACRES:
NA.22

Livello qualitativo

200

Saggio

≥99%

Indice di rifrazione

n20/D 1.445 (lit.)

P. eboll.

152 °C (lit.)

Densità

0.837 g/mL at 25 °C (lit.)

Stringa SMILE

CC1(C)CCCC(C)(C)N1

InChI

1S/C9H19N/c1-8(2)6-5-7-9(3,4)10-8/h10H,5-7H2,1-4H3
RKMGAJGJIURJSJ-UHFFFAOYSA-N

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Descrizione generale

2,2,6,6-Tetramethylpiperidineis a hindered secondary amine that is used to prepare metallo-amide bases and selective generation of silylketene acetals.

Applicazioni

2,2,6,6-Tetramethylpiperidine can be used as a reactant to synthesize:
  • Allylated tertiary amines via allylic amination of allylic chlorides.
  • Hydroxylamines via oxidation in the presence of oxone as an oxidant.
  • Sulfenamide compounds by reacting with heterocyclic thiols in the presence of iodine as an oxidant.
  • N-methylated amines via N-methylation by reacting with CO2 and phenylsilane.
  • Propargylamines via three-component Mannich coupling reaction with aldehydes and alkynes.

Avvertenze

Danger

Indicazioni di pericolo

H226,H290,H302,H314,H335

Classi di pericolo

Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Met. Corr. 1 - Skin Corr. 1A - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

98.6 °F - closed cup

Punto d’infiammabilità (°C)

37 °C - closed cup

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificati d'analisi (COA)

Lot/Batch Number
0000181359
0000143733
0000136774
STBJ6974
0000084347

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