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N,N-Dimethyl-N'-p-tolylsulfamide

Also known as: DMST, N,N-Dimethyl-N'-p-tolylsulphamide, 1-(Dimethylsulfamoylamino)-4-methylbenzene, N,N-Dimethyl-N'-tolylsulfonyldiamide, N',N'-Dimethyl-N-(p-tolyl)(sulfonylbisamine), Sulfamide, N,N-dimethyl-N'-(4-methylphenyl)-

N,N-Dimethyl-N'-p-tolylsulfamide (CAS 66840-71-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C9H14N2O2S and a molecular weight of 214.28500 g/mol. Key properties include a boiling point of 319.7ºC at 760 mmHg, a density of 1.26g/cm3 and a flash point of 2ºC. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
66840-71-9
Jingsj CID
J-909075-0
Molecular Formula
C9H14N2O2S
Molecular Weight
214.28500 g/mol
Category
Solvents
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point319.7ºC at 760 mmHg
Density1.26g/cm3
Flash Point2ºC
Exact Mass214.07800
PSA57.79000
LogP2.36710
Refractive Index1.585

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H319 — Causes serious eye irritation
  • H332 — Harmful if inhaled

Frequently Asked Questions

What is the CAS number of N,N-Dimethyl-N'-p-tolylsulfamide?

The CAS number of N,N-Dimethyl-N'-p-tolylsulfamide is 66840-71-9.

What are the molecular formula and molecular weight of N,N-Dimethyl-N'-p-tolylsulfamide?

N,N-Dimethyl-N'-p-tolylsulfamide has molecular formula C9H14N2O2S and molecular weight 214.28500 g/mol.

Is N,N-Dimethyl-N'-p-tolylsulfamide hazardous?

N,N-Dimethyl-N'-p-tolylsulfamide has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.

What are the upstream and downstream products of N,N-Dimethyl-N'-p-tolylsulfamide?

For N,N-Dimethyl-N'-p-tolylsulfamide, Upstream Products: p-Toluidine, N,N-Dimethylsulfamoyl chloride; Downstream Products: Tolylfluanid.

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

Last updated:

How to cite: Jingsj. "N,N-Dimethyl-N'-p-tolylsulfamide (CAS 66840-71-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-909075-0 (accessed 2026-11-06).

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