4-Methyl-N-(1-methyl-2-pyrrolidinylidene)benzenesulfonamide

Also known as: 4-Methyl-N-(1-methyl-2-pyrrolidinylidene)benzenesulfonamide, N-(1-Methyl-2-pyrrolidinylidene)-p-toluenesulfonamide, Benzenesulfonamide, 4-methyl-N-(1-methyl-2-pyrrolidinylidene)-, 4-Methyl-N-(1-methylpyrrolidin-2-ylidene)benzenesulfonamide, (Z)-4-Methyl-N-(1-methylpyrrolidin-2-ylidene)benzenesulfonamide, N-Methyl-2-p-toluolsulfonylimino-pyrrolidin, QC-616

4-Methyl-N-(1-methyl-2-pyrrolidinylidene)benzenesulfonamide (CAS 19734-35-1) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C12H16N2O2S and a molecular weight of 252.33300 g/mol. Key properties include a boiling point of 388.3ºC at 760mmHg, a density of 1.24g/cm3 and a flash point of 188.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 19734-35-1
Jingsj CID: J-1166917-3
Molecular Formula: C₁₂H₁₆N₂O₂S
Molecular Weight: 252.33300 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	388.3ºC at 760mmHg
Density	1.24g/cm3
Flash Point	188.6ºC
Exact Mass	252.09300
PSA	58.12000
LogP	2.82650
Vapor Pressure	0mmHg at 25°C
Refractive Index	1.597

Customs & Trade Information

HS Code	2935009090
Summary	2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%

Frequently Asked Questions

What is the CAS number of 4-Methyl-N-(1-methyl-2-pyrrolidinylidene)benzenesulfonamide?

The CAS number of 4-Methyl-N-(1-methyl-2-pyrrolidinylidene)benzenesulfonamide is 19734-35-1.

What are the molecular formula and molecular weight of 4-Methyl-N-(1-methyl-2-pyrrolidinylidene)benzenesulfonamide?

4-Methyl-N-(1-methyl-2-pyrrolidinylidene)benzenesulfonamide has molecular formula C12H16N2O2S and molecular weight 252.33300 g/mol.

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-Methyl-N-(1-methyl-2-pyrrolidinylidene)benzenesulfonamide (CAS 19734-35-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1166917-3 (accessed 2026-11-09).

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