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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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5 G
CHF 40.60
10 G
CHF 76.20
25 G
CHF 132.00

CHF 40.60

Spedizione prevista il23 marzo 2025

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Cambia visualizzazione
5 G
CHF 40.60
10 G
CHF 76.20
25 G
CHF 132.00

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

CHF 40.60

Spedizione prevista il23 marzo 2025

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Livello qualitativo

200

Saggio

≥99%

Indice di rifrazione

n20/D 1.445 (lit.)

P. ebollizione

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
SDBB0725
STBL1140
0000181359
0000172914
0000151507

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Questions

1–2 of 2 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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