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Herbicides

Desmetryn

Also known as Semeron, Norametryne, Topusyn

CAS 1014-69-3Formula C8H15N5SMolar mass 213.31 g/molEC 213-800-1
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment
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Desmetryn chemical structure, C8H15N5S, CAS 1014-69-3
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Crystalline
Melting point
85 °C
Boiling point
339 °C
Density
1.172 at 20 °C
Solubility
In water, 58 mg/L at 20 °C
HS code
293369
Category
Herbicides
Illustrative photo, closed blue fibre drums on a pallet in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Desmetryn?

Plain description, key identifiers and synonyms

Desmetryn is a member of 1,3,5-triazines.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-N-methyl-6-methylsulfanyl-2-N-propan-2-yl-1,3,5-triazine-2,4-diamine
CAS number
1014-69-3 CAS number cross-checked
EC number
213-800-1
Molecular formula
C8H15N5S
UNII
36FZV8OVJS
MDL number
MFCD00055397
InChIKey
HCRWJJJUKUVORR-UHFFFAOYSA-N
InChI
InChI=1S/C8H15N5S/c1-5(2)10-7-11-6(9-3)12-8(13-7)14-4/h5H,1-4H3,(H2,9,10,11,12,13)
SMILES (canonical and isomeric)
CC(C)NC1=NC(=NC(=N1)NC)SC

Synonyms

  • Semeron
  • Norametryne
  • Topusyn
  • Samuron
  • Desmetryne
  • Semeron 250
  • GS 34360
  • s-Triazine, 2-(isopropylamino)-4-(methylamino)-6-(methylthio)-
  • 2-Methylthio-4-isopropylamino-6-methylamino-s-triazine
  • 1,3,5-Triazine-2,4-diamine, N-methyl-N'-(1-methylethyl)-6-(methylthio)-
  • Methylmercapto-4-isopropylamino-6-methylamino-s-triazine
  • 2-Isopropylamino-4-methylamino-6-methylmercapto-s-triazine
  • 2-Isopropylamino-4-methylamino-6-methylthio-1,3,5-triazine
  • 2-Methylamino-4-methylthio-6-isopropylamino-1,3,5-triazine
  • 2-Methylmercapto-4-methylamino-6-isopropylamino-s-triazine
  • 2-(Methylthio)-4-(methylamino)-6-(isopropylamino)-s-triazine
  • N-Methyl-N'-(1-methylethyl)-6-(methylthio)-1,3,5-triazine-2,4-diamine
  • 2-Isopropilamino-4-metilamino-6-metiltio-1,3,5-triazina
  • N2-isopropyl-N4-methyl-6-(methylthio)-1,3,5-triazine-2,4-diamine
  • Semeron-25
  • Desmetryne [ISO-French]
  • Desmethryn
  • Semeron 25
  • 2-(Isopropylamino)-4-(methylamino)-6-(methylthio)-s-triazine
  • N2-Isopropyl-N4-methyl-6-methylthio-1,3,5-triazine-2,4-diamine
Show all 30 synonyms
  • 4-N-methyl-6-methylsulfanyl-2-N-propan-2-yl-1,3,5-triazine-2,4-diamine
  • Desmetryn 10 microg/mL in Acetonitrile
  • Desmetryn 100 microg/mL in Acetonitrile
  • Desmetryn, PESTANAL(R), analytical standard
  • Methylthio-4-isopropylamino-6-methylamino-s-triazine

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

Appearance
Crystallineexp.
Melting point
85 °Cexp.
Boiling point
339 °Cexp.
Density
1.172 at 20 °Cexp.
Solubility
In water, 58 mg/L at 20 °Cexp.
Vapour pressure
9.98 × 10⁻⁷ mm Hg at 20 °Cexp.

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
213.31 g/molcalc.
Exact mass
213.1048 Dacalc.
LogP (octanol/water)
1.46calc.
Topological polar surface area
62.73 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
4calc.
Heavy atoms
14calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.63calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ncncn1

c1ncncn1

1 ring, 6 atoms, the 1,3,5-Triazine ring system.

1,908 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (12)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Desmetryn suppliers

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Desmetryn 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

Selective post-emergence herbicide effective for control of chenopodium album and other broadleaved and grassy weeds in most Brassica crops (not marketed in the USA).

Post emergence herbicide (superseded).

Use classes: Pharmaceuticals.

How it is made

Desmetryne is made by the reaction of cyanuric chloride in turn with equivalents of isopropylamine, methylamine and methyl mercaptan.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 613-007-00-4

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2933.69Indicative HS code

Compounds containing an unfused triazine ring (whether or not hydrogenated) in the…

World exports in 2024
$2.46B
+1.8% vs 2023, imports $2.44B
2019 to 2024
Top exporters
  1. China53.6%
  2. Germany11.5%
  3. India * partner reported8.4%
Top importers
  1. United States13.5%
  2. Brazil9.6%
  3. Germany9.5%

* Partner reported figures, a lower bound.

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

The HS code shown for Desmetryn is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Desmetryn, based on the data on this page

What is Desmetryn?

Desmetryn is a member of 1,3,5-triazines.

What is the CAS number of Desmetryn?

The CAS registry number of Desmetryn is 1014-69-3.

What is the molecular formula and weight of Desmetryn?

The molecular formula of Desmetryn is C8H15N5S and its molar mass is 213.31 g/mol.

What is Desmetryn used for?

Selective post-emergence herbicide effective for control of chenopodium album and other broadleaved and grassy weeds in most Brassica crops (not marketed in the USA). Post emergence herbicide (superseded). Use classes: Pharmaceuticals.

Is Desmetryn hazardous?

Desmetryn carries the GHS signal word "Warning". Main hazards: harmful if swallowed, harmful in contact with skin, very toxic to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Desmetryn?

Desmetryn is usually classified under HS code 293369 (Compounds containing an unfused triazine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Desmetryn?

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What is the price of Desmetryn?

Suppliers quote Desmetryn 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 Desmetryn

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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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