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Insecticides and acaricides

Imidacloprid

Also known as Admire, Gaucho, Confidor

CAS 138261-41-3Formula C9H10ClN5O2Molar mass 255.67 g/molEC 428-040-8
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Hazardous to the environment 288 suppliers listed Drug substance
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Imidacloprid chemical structure, C9H10ClN5O2, CAS 138261-41-3
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless crystals
Melting point
144 °C
Density
1.54 g/cm³
Solubility
In water, 6.1 × 10⁺² mg/L at 20 °C
HS code
293339
Category
Insecticides and acaricides
UN number
UN 2588
Illustrative photo, colourless crystals beside an amber glass bottle on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Imidacloprid?

Plain description, key identifiers and synonyms

(E)-imidacloprid is the E-isomer of imidacloprid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(NE)-N-[1-[(6-chloro-3-pyridinyl)methyl]imidazolidin-2-ylidene]nitramide
CAS number
138261-41-3 CAS number cross-checkedOther or deprecated CAS: 105827-78-9
EC number
428-040-8
Molecular formula
C9H10ClN5O2
UNII
3BN7M937V8
MDL number
MFCD01721131
InChIKey
YWTYJOPNNQFBPC-UHFFFAOYSA-N
InChI
InChI=1S/C9H10ClN5O2/c10-8-2-1-7(5-12-8)6-14-4-3-11-9(14)13-15(16)17/h1-2,5H,3-4,6H2,(H,11,13)
Canonical SMILES
O=[N+]([O-])N=C1NCCN1Cc1ccc(Cl)nc1
Isomeric SMILES
C1CN(/C(=N/[N+](=O)[O-])/N1)CC2=CN=C(C=C2)Cl

Synonyms

  • Admire
  • Gaucho
  • Confidor
  • Provado
  • Merit
  • Confidor SL
  • Premise 75
  • Merit (insecticide)
  • Confidor 200 SL
  • Advantage Flea Adulticide
  • Hachikusan
  • Meritgreen
  • Baimieshi
  • Confidate
  • Couraze
  • Imicide
  • Kohinor
  • Advise
  • Grubex
  • Alias
  • (2E)-1-[(6-chloropyridin-3-yl)methyl]-N-nitroimidazolidin-2-imine
  • CoreTect
  • ProAgro
  • Gaucho Grande
  • Couraze Max
Show all 39 synonyms
  • Admire Pro
  • Preventol TM
  • Trimax Pro
  • Macho Max
  • Marathon II
  • Admire 2F
  • Mallet 2F
  • Confidor 70WG
  • Alias 2F
  • Confidor 200SL
  • Gaucho 600FS
  • Premise (insecticide)
  • Senator (neonicotinoid)
  • Confidor 200 O-TEQ

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 crystalsexp.
Odour
Slight characteristic odorexp.
Melting point
144 °Cexp.
Density
1.54 g/cm³exp.
Solubility
In water, 6.1 × 10⁺² mg/L at 20 °Cexp.
Vapour pressure
4 × 10⁻⁷ mPa (3 × 10⁻¹² mm Hg) at 20 °C, 9 × 10⁻⁷ mPa (7 × 10⁻¹² mm Hg) at 25 °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
255.67 g/molcalc.
Exact mass
255.0523 Dacalc.
LogP (octanol/water)
0.69calc.
Topological polar surface area
83.66 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
17calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.33calc.
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, N=C1NCCN1Cc1cccnc1

N=C1NCCN1Cc1cccnc1

2 rings, 13 atoms.

3 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.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P391Collect spillage.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2588
Transport hazard class
6.1
Packing group
III

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

Imidacloprid suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 288 suppliers
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Where suppliers are based

288 suppliers in 30 countries

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Imidacloprid 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

Cholinergic Agents, Insecticides.

Imidacloprid is registered to control insect pests on agricultural and nursery crops, structural pests and parasites on companion animals.

For control of aphids, Colorado potato beetle, ricehoppers, thrips, whiteflies, and turf and soil insects in cereal, corn, cotton, sorghum, fruit, maize, potatoes, rice, soybeans, sugarbeets, turf, and vegetables. Acceleron seed treatment for use on soybeans. CropStar seed treatment for use on maize. Genesis XT seed treatment for use on potatoes. Aeris seed treatment for use on cotton (delinted seed only).

Use classes: Animal Drugs.

Pharmacological actions

  • Cholinergic Agents
  • Insecticides

Roles

  • aetiopathogenetic role
  • cholinergic agonist
  • cholinergic drug
  • environmental contaminant
  • genotoxin
  • insecticide
  • neonicotinoid insectide
  • neurotoxin
  • neurotransmitter agent
  • nicotinic acetylcholine receptor agonist
  • pesticide
  • pharmaceutical
  • poison
  • xenobiotic

Functional uses

  • Biocide

How it is made

Preparation: K. Shiokawa et al., European Patent Office patent 192060, eidem, United States of America patent 4742060 (1986, 1988 both to Nihon Tokushu Noyaku Seizo KK)

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 612-252-00-4

Health and food

  • Active ingredient in FDA approved drug labels

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Imidacloprid?

(E)-imidacloprid is the E-isomer of imidacloprid.

What is the CAS number of Imidacloprid?

The CAS registry number of Imidacloprid is 138261-41-3. Other or deprecated CAS numbers: 105827-78-9.

What is the molecular formula and weight of Imidacloprid?

The molecular formula of Imidacloprid is C9H10ClN5O2 and its molar mass is 255.67 g/mol.

What is Imidacloprid used for?

Cholinergic Agents, Insecticides. Imidacloprid is registered to control insect pests on agricultural and nursery crops, structural pests and parasites on companion animals.

Is Imidacloprid hazardous?

Imidacloprid carries the GHS signal word "Danger". Main hazards: toxic if swallowed, very toxic to aquatic life, very toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Imidacloprid?

Imidacloprid is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Imidacloprid?

CompoundList lists 288 suppliers of Imidacloprid in China, Brazil, India, United States and 26 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Imidacloprid in India?

41 suppliers in India list Imidacloprid on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Imidacloprid?

Suppliers quote Imidacloprid 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 Imidacloprid

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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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