2,2,6,6-tetramethyl-4-[(methylsulfonyl)oxy]-1-piperidinyloxy

2,2,6,6-四甲基-4-甲基磺酰氧基-1-哌啶氧自由基

Also known as: 4-methanesulfonyloxy-TEMPO, 1-Piperidinyloxy, 2,2,6,6-tetramethyl-4-[(methylsulfonyl)oxy]-, 2,2,6,6-tetramethyl-4-((methylsulfonyl)oxy)-1-piperidinyloxy, Nsc300603, MFCD00192489

2,2,6,6-tetramethyl-4-[(methylsulfonyl)oxy]-1-piperidinyloxy (CAS 35203-66-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H21NO4S and a molecular weight of 251.34300 g/mol. It is also known as 4-methanesulfonyloxy-TEMPO, 1-Piperidinyloxy, 2,2,6,6-tetramethyl-4-[(methylsulfonyl)oxy]- and 2,2,6,6-tetramethyl-4-((methylsulfonyl)oxy)-1-piperidinyloxy. Key properties include a melting point of 90-92ºC(lit.), a boiling point of 380.6ºC at 760mmHg, a density of 1.21g/cm3 and a flash point of 184ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
35203-66-8
Jingsj CID
J-25378-5
Molecular Formula
C10H21NO4S
Chinese Name
2,2,6,6-四甲基-4-甲基磺酰氧基-1-哌啶氧自由基
Molecular Weight
251.34300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point90-92ºC(lit.)
Boiling Point380.6ºC at 760mmHg
Density1.21g/cm3
Flash Point184ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2,2,6,6-tetramethyl-4-[(methylsulfonyl)oxy]-1-piperidinyloxy?

The CAS number of 2,2,6,6-tetramethyl-4-[(methylsulfonyl)oxy]-1-piperidinyloxy is 35203-66-8.

What are the molecular formula and molecular weight of 2,2,6,6-tetramethyl-4-[(methylsulfonyl)oxy]-1-piperidinyloxy?

2,2,6,6-tetramethyl-4-[(methylsulfonyl)oxy]-1-piperidinyloxy has molecular formula C10H21NO4S and molecular weight 251.34300 g/mol.

Is 2,2,6,6-tetramethyl-4-[(methylsulfonyl)oxy]-1-piperidinyloxy hazardous?

2,2,6,6-tetramethyl-4-[(methylsulfonyl)oxy]-1-piperidinyloxy has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2,2,6,6-tetramethyl-4-[(methylsulfonyl)oxy]-1-piperidinyloxy (CAS 35203-66-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25378-5 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.