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4-isothiocyanato-2,2,6,6-tetramethylpiperidine 1-oxyl

Also known as: 4-Isothiocyanato-TEMPO, 4-Isothiocyanato-2,2,6,6-tetramethylpiperidine1-oxylfreeradical[spinlabel], 4-Isothiocyanato-2,2,6,6-tetramethylpiperidin-1-oxyl, 4-Isothiocyanato-2,2,6,6-tetramethyl-1-piperidinyloxy, 4-ISOTHIOCYANATO-2,2,6,6-TETRAMETHYLPIPERIDINE 1-OXYL FREE RADICAL, 4-Isothiocyanato-TEMPO Free Radical, 4-Itc-tempo, 2,2,6,6-tetramethyl-4-isothiocyanatopiperidine-1-oxyl, 4-isothiocyanato-2,2,6,6-tetramethylpiperidine N-oxide, 1-Piperidinyloxy, 4-isothiocyanato-2,2,6,6-tetramethyl-, (4-Isothiocyanato-2,2,6,6-tetramethylpiperidin-1-yl)oxidanyl, 4-isothiocyanate-2,2,6,6-tetramethyl piperidinooxyl, MFCD00010109

4-isothiocyanato-2,2,6,6-tetramethylpiperidine 1-oxyl (CAS 36410-81-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H17N2OS and a molecular weight of 213.320 g/mol. Key properties include a melting point of 124ºC and a density of 1.1186 (rough estimate). It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
36410-81-8
Jingsj CID
J-20843-5
Molecular Formula
C10H17N2OS
Molecular Weight
213.320 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point124ºC
Density1.1186 (rough estimate)
Exact Mass213.106155
PSA47.69000
LogP2.39420
Refractive Index1.5650 (estimate)
Storage Conditions0-6°C

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H332 — Harmful if inhaled
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933399090
Summary2933399090. 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-isothiocyanato-2,2,6,6-tetramethylpiperidine 1-oxyl?

The CAS number of 4-isothiocyanato-2,2,6,6-tetramethylpiperidine 1-oxyl is 36410-81-8.

What are the molecular formula and molecular weight of 4-isothiocyanato-2,2,6,6-tetramethylpiperidine 1-oxyl?

4-isothiocyanato-2,2,6,6-tetramethylpiperidine 1-oxyl has molecular formula C10H17N2OS and molecular weight 213.320 g/mol.

Is 4-isothiocyanato-2,2,6,6-tetramethylpiperidine 1-oxyl hazardous?

4-isothiocyanato-2,2,6,6-tetramethylpiperidine 1-oxyl has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.

What are the upstream and downstream products of 4-isothiocyanato-2,2,6,6-tetramethylpiperidine 1-oxyl?

For 4-isothiocyanato-2,2,6,6-tetramethylpiperidine 1-oxyl, Upstream Products: Thiophosgene, 4-Amino-2,2,6,6-tetramethylpiperidine 1-oxyl, 4-Acetamido-2,2,6,6-tetramethylpiperidine.

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

Last updated:

How to cite: Jingsj. "4-isothiocyanato-2,2,6,6-tetramethylpiperidine 1-oxyl (CAS 36410-81-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20843-5 (accessed 2026-11-09).

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