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Aliphatic and alicyclic building blocks

Methylsulfamic acid

Also known as Mymdokbfmtvege-uhfffaoysa-, methyl sulfamic acid, Sulfamic acid, methyl-

CAS 4112-03-2Formula CH5NO3SMolar mass 111.12 g/mol
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Methylsulfamic acid chemical structure, CH5NO3S, CAS 4112-03-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4112-03-2
Formula
CH5NO3S
Molar mass
111.12 g/mol
HS code
294200
Category
Aliphatic and alicyclic building blocks

What is Methylsulfamic acid?

Plain description, key identifiers and synonyms

Methylsulfamic acid is a chemical substance with the molecular formula CH5NO3S and a molar mass of 111.12 g/mol. Its CAS registry number is 4112-03-2.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
methylsulfamic acid
CAS number
4112-03-2 CAS number cross-checked
Molecular formula
CH5NO3S
MDL number
MFCD00010870
InChIKey
MYMDOKBFMTVEGE-UHFFFAOYSA-N
InChI
InChI=1S/CH5NO3S/c1-2-6(3,4)5/h2H,1H3,(H,3,4,5)
SMILES (canonical and isomeric)
CNS(=O)(=O)O

Synonyms

  • Mymdokbfmtvege-uhfffaoysa-
  • methyl sulfamic acid
  • Sulfamic acid, methyl-
  • Methylsulamic acid
  • Methylsulfamic acid, 98%

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
111.12 g/molcalc.
Exact mass
110.999 Dacalc.
LogP (octanol/water)
-0.99calc.
Topological polar surface area
66.4 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
6calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Methylsulfamic acid suppliers

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Methylsulfamic acid price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Methylsulfamic acid is traded under.

HS 2942.00Indicative HS code

Organic compounds not elsewhere classified in chapter 29

World exports in 2024
$589M
−43.5% vs 2023, imports $614M
2019 to 2024
Top exporters
  1. India * partner reported20.7%
  2. United States18.6%
  3. Italy10.4%
Top importers
  1. United States15.1%
  2. Italy6.7%
  3. Japan5.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Methylsulfamic acid is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Methylsulfamic acid, based on the data on this page

What is Methylsulfamic acid?

Methylsulfamic acid is a chemical substance with the molecular formula CH5NO3S and a molar mass of 111.12 g/mol. Its CAS registry number is 4112-03-2.

What is the CAS number of Methylsulfamic acid?

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

What is the molecular formula and weight of Methylsulfamic acid?

The molecular formula of Methylsulfamic acid is CH5NO3S and its molar mass is 111.12 g/mol.

What is Methylsulfamic acid used for?

Known uses and roles of Methylsulfamic acid include building blocks in research and laboratory.

Is Methylsulfamic acid hazardous?

No GHS hazard classification for Methylsulfamic acid is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Methylsulfamic acid?

Methylsulfamic acid is usually classified under HS code 294200 (XIII. OTHER ORGANIC COMPOUNDS, other organic compounds). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Methylsulfamic acid?

Post a free request on CompoundList and suppliers of Methylsulfamic acid will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Methylsulfamic acid?

Suppliers quote Methylsulfamic acid on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Methylsulfamic acid

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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