N-Methylsulfamic acid

甲氨基磺酸

Also known as: Methylsulfamic acid, Sulfamic acid, N-methyl-, Methylamidosulfuric acid, NSC 54922

N-Methylsulfamic acid (CAS 4112-03-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula CH5NO3S and a molecular weight of 111.12000 g/mol. It is also known as Methylsulfamic acid, Sulfamic acid, N-methyl- and Methylamidosulfuric acid. Key properties include a melting point of 191ºC (dec.)(lit.), a boiling point of 256.7ºC at 760mmHg, a density of 1.534g/cm3 and a flash point of 109.1ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4112-03-2
Jingsj CID
J-33130-0
Molecular Formula
CH5NO3S
Chinese Name
甲氨基磺酸
Molecular Weight
111.12000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point191ºC (dec.)(lit.)
Boiling Point256.7ºC at 760mmHg
Density1.534g/cm3
Flash Point109.1ºC

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of N-Methylsulfamic acid?

The CAS number of N-Methylsulfamic acid is 4112-03-2.

What are the molecular formula and molecular weight of N-Methylsulfamic acid?

N-Methylsulfamic acid has molecular formula CH5NO3S and molecular weight 111.12000 g/mol.

Is N-Methylsulfamic acid hazardous?

N-Methylsulfamic acid has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "N-Methylsulfamic acid (CAS 4112-03-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33130-0 (accessed 2026-10-24).

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