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Insecticides and acaricides

Dimetilan

Also known as Dimetilane, Snip, Snip fly bands

CAS 644-64-4Formula C10H16N4O3Molar mass 240.26 g/molEC 211-420-0
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Hazardous to the environment
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Dimetilan chemical structure, C10H16N4O3, CAS 644-64-4
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless solid
Melting point
68 to 71
Boiling point
200 to 210
Solubility
24% in water at 25 °C
HS code
293319
Category
Insecticides and acaricides
UN number
UN 2757
Illustrative photo, colourless crystals beside a jumbo bulk bag in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Dimetilan?

Plain description, key identifiers and synonyms

Dimetilan is an organic molecular entity. It has a role as a pesticide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[1-(dimethylcarbamoyl)-5-methylpyrazol-3-yl] N,N-dimethylcarbamate
CAS number
644-64-4 CAS number cross-checked
EC number
211-420-0
Molecular formula
C10H16N4O3
UNII
S53KQ82I35
InChIKey
RDBIYWSVMRVKSG-UHFFFAOYSA-N
InChI
InChI=1S/C10H16N4O3/c1-7-6-8(17-10(16)13(4)5)11-14(7)9(15)12(2)3/h6H,1-5H3
SMILES (canonical and isomeric)
CC1=CC(=NN1C(=O)N(C)C)OC(=O)N(C)C

Synonyms

  • Dimetilane
  • Snip
  • Snip fly bands
  • Snip Fly
  • Geigy gs-13332
  • FLY Bands
  • Geigy 22870
  • OMS 479
  • ENT 25595-X
  • ENT 25,922
  • 5-Methyl-1H-pyrazol-3-yl dimethylcarbamate
  • 1-Dimethylcarbamoyl-5-methyl-3-pyrazolyl dimethylcarbamate
  • Dimethyl 2-carbamyl-3-methylpyrazolyldimethylcarbamate
  • 2-Dimethylcarbamoyl-3-methyl-5-pyrazolyl dimethylcarbamate
  • 2-(N,N-Dimethylcarbamyl)-3-methylpyrazolyl-5 N,N-dimethylcarbamate
  • Dimethylcarbamic acid 1-((dimethylamino)carbonyl)-5-methyl-1H-pyrazol-3-yl ester
  • Dimethylcarbamic acid ester with 3-hydroxy-N,N,5-trimethylpyrazole-1-carboxamide
  • Pyrazole-1-carboxamide, 3-hydroxy-N,N,5-trimethyl-, dimethylcarbamate (ester)
  • Carbamic acid, dimethyl-, ester with 3-hydroxy-N,N,5-trimethylpyrazole-1-carboxamide
  • 1-Dimethylcarbamoyl-2-methyl-4-pyrazolyl dimethylcarbamate
  • Pyrazole-1-carboxamide, 3-hydroxy-N,N,5-trimethyl-, dimethyl carbamate (ester)
  • Carbamic acid, dimethyl-, 1-((dimethylamino)carbonyl)-5-methyl-1H-pyrazol-3-yl ester
  • Carbamic acid, dimethyl-, 1-[(dimethylamino)carbonyl]-5-methyl-1H-pyrazol-3-yl ester
  • 1-(dimethylcarbamoyl)-5-methyl-1H-pyrazol-3-yl N,N-dimethylcarbamate
  • [1-(dimethylcarbamoyl)-5-methylpyrazol-3-yl] N,N-dimethylcarbamate
Show all 33 synonyms
  • Carbamic acid, dimethyl-, 5-methyl-1H-pyrazol-3-yl ester
  • 2-Dimethylcarbamoyl-3-methylpyrazolyl-(5)-N,N-dimethylcarbamat
  • RCRA waste no. P191
  • 3-Hydroxy-N,N,5-trimethylpyrazole-1-carboxamide dimethylcarbamate
  • 5-23-10-00525 (Beilstein Handbook Reference)
  • Dimetilan, PESTANAL(R), analytical standard
  • 1-(dimethylcarbamoyl)-5-methyl-1H-pyrazol-3-yl dimethylcarbamate
  • 1-Dimethylcarbamoyl-5-methylpyrazol-3-yl dimethylcarbamate

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
Colorless solidexp.
Melting point
68 to 71exp.
Boiling point
200 to 210exp.
Solubility
24% in water at 25 °Cexp.
Vapour pressure
9.7 × 10⁻⁵ 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
240.26 g/molcalc.
Exact mass
240.1222 Dacalc.
LogP (octanol/water)
0.78calc.
Topological polar surface area
67.67 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
1calc.
Heavy atoms
17calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.5calc.
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, c1cn[nH]c1

c1cn[nH]c1

1 ring, 5 atoms, the Pyrazole ring system.

40,521 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H301Toxic if swallowed.
  • H312Harmful in contact with skin.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (13)
  • 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 + P316If swallowed: Get emergency medical help immediately.
  • 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.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2757

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

Dimetilan suppliers

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Dimetilan price

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Uses and applications

What the substance is used for, by industry and function

Formerly an insecticide for insect control on livestock, especially housefly control. It is no longer produced commercially in the U.S.

Insecticide (dimethylcarbamate or pyrazole class).

Formerly 100% as an insecticide for insect control on livestock (1975).

Stomach poison used for control of fruit flies and olive flies.

Roles

  • pesticide

Pharmacology

Dimetilan is a synthetic pyrazole compound and carbamate acetylcholinesterase inhibitor that is used as a pesticide. It is characterized as a colorless or yellow to reddish-brown solid, and exposure occurs by inhalation, ingestion, or contact.

How it is made

Reaction of 3-methylpyrazol-5-one with dimethylcarbamoyl chloride.

Dimetilan may be produced by the reaction of methylpyrazolone with two equivalents of dimethyl carbamoyl chloride.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 613-047-00-2

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2933.19Indicative HS code

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

World exports in 2024
$3.44B
−22.6% vs 2023, imports $6.66B
2019 to 2024
Top exporters
  1. China21.6%
  2. Switzerland * partner reported20.5%
  3. Germany19.0%
Top importers
  1. Slovenia38.4%
  2. Portugal14.1%
  3. Brazil13.0%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Dimetilan?

Dimetilan is an organic molecular entity. It has a role as a pesticide.

What is the CAS number of Dimetilan?

The CAS registry number of Dimetilan is 644-64-4.

What is the molecular formula and weight of Dimetilan?

The molecular formula of Dimetilan is C10H16N4O3 and its molar mass is 240.26 g/mol.

What is Dimetilan used for?

Formerly an insecticide for insect control on livestock, especially housefly control. It is no longer produced commercially in the U.S. Insecticide (dimethylcarbamate or pyrazole class). Formerly 100% as an insecticide for insect control on livestock (1975).

Is Dimetilan hazardous?

Dimetilan carries the GHS signal word "Danger". Main hazards: toxic 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 Dimetilan?

Dimetilan is usually classified under HS code 293319 (Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dimetilan?

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What is the price of Dimetilan?

Suppliers quote Dimetilan 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 Dimetilan

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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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