4-Acetamido-2,2,6,6-tetramethylpiperidine

Also known as: 4-Acetamido-2,2,6,6-tetramethylpiperidine, 4-Acetylamino-2,2,6,6-tetramethylpiperidine, N-(2,2,6,6-Tetramethyl-4-piperidinyl)acetamide, N-(2,2,6,6-Tetramethylpiperidin-4-yl)acetamide, Acetamide, N-(2,2,6,6-tetramethyl-4-piperidinyl)-, N-(2,2,6,6-tetramethylpiperidin-4-yl)acetamide, N-(2,2,6,6-tetramethyl-4-piperidinyl)-acetamide, 4-Acetylamino-2,2,6,6-tetramethylpiperidine, Nsc 270075, MFCD00043589, EINECS 255-137-0

4-Acetamido-2,2,6,6-tetramethylpiperidine (CAS 40908-37-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H22N2O and a molecular weight of 198.30500 g/mol. Key properties include a melting point of 102-104ºC(lit.), a boiling point of 161-163ºC7 mm Hg(lit.), a density of 0.96g/cm3 and a flash point of 120.9ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 40908-37-0
Jingsj CID: J-1993355-2
Molecular Formula: C₁₁H₂₂N₂O
Molecular Weight: 198.30500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	102-104ºC(lit.)
Boiling Point	161-163ºC7 mm Hg(lit.)
Density	0.96g/cm3
Flash Point	120.9ºC
Exact Mass	198.17300
PSA	41.13000
LogP	2.15140
Refractive Index	1.479

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-Acetamido-2,2,6,6-tetramethylpiperidine?

The CAS number of 4-Acetamido-2,2,6,6-tetramethylpiperidine is 40908-37-0.

What are the molecular formula and molecular weight of 4-Acetamido-2,2,6,6-tetramethylpiperidine?

4-Acetamido-2,2,6,6-tetramethylpiperidine has molecular formula C11H22N2O and molecular weight 198.30500 g/mol.

Is 4-Acetamido-2,2,6,6-tetramethylpiperidine hazardous?

4-Acetamido-2,2,6,6-tetramethylpiperidine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 4-Acetamido-2,2,6,6-tetramethylpiperidine?

For 4-Acetamido-2,2,6,6-tetramethylpiperidine, Upstream Products: 4-Amino-2,2,6,6-tetramethylpiperidine, acetic acid; Downstream Products: 4-isothiocyanato-2,2,6,6-tetramethylpiperidine 1-oxyl, 4-Acetamido-2,2,6,6-tetramethylpiperidine 1-oxyl, 4-Amino-2,2,6,6-tetramethylpiperidine 1-oxyl.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4-Acetamido-2,2,6,6-tetramethylpiperidine (CAS 40908-37-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993355-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.