N,N-Dimethylmethanesulfonamide

Also known as: Methanesulfonamide, N,N-dimethyl-, N,N-Dimethyl methanesulfonamide, N,N-Dimethylmethanesulphonamide, N,N-dimethylmethanesulfonamide, N-Dimethylmethanesulfonamide, TIMTEC-BB SBB007962, MFCD00014740, EINECS 213-039-5

N,N-Dimethylmethanesulfonamide (CAS 918-05-8) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C3H9NO2S and a molecular weight of 123.17400 g/mol. Key properties include a melting point of 49 °C, a boiling point of 119-120°C 17mm, a density of 1.158g/cm3 and a flash point of 119-120°C/17mm. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 918-05-8
Jingsj CID: J-14603-2
Molecular Formula: C₃H₉NO₂S
Molecular Weight: 123.17400 g/mol
Category: Organic Bases
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	49 °C
Boiling Point	119-120°C 17mm
Density	1.158g/cm3
Flash Point	119-120°C/17mm
Exact Mass	123.03500
PSA	45.76000
LogP	0.58840
Refractive Index	1.45

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 N,N-Dimethylmethanesulfonamide?

The CAS number of N,N-Dimethylmethanesulfonamide is 918-05-8.

What are the molecular formula and molecular weight of N,N-Dimethylmethanesulfonamide?

N,N-Dimethylmethanesulfonamide has molecular formula C3H9NO2S and molecular weight 123.17400 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. "N,N-Dimethylmethanesulfonamide (CAS 918-05-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14603-2 (accessed 2026-11-09).

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