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Fungicides

Benomyl

Also known as Benlate, Fundazol, Uzgen

CAS 17804-35-2Formula C14H18N4O3Molar mass 290.32 g/molEC 241-775-7
GHS signal word: Danger. Pictograms: Harmful or irritant, Serious health hazard, Hazardous to the environment 38 suppliers listed
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Benomyl chemical structure, C14H18N4O3, CAS 17804-35-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White crystalline solid [Note: Decomposes without melting above 572 degrees F]
Melting point
140 °C
Boiling point
Decomposes
Density
0.38 g/cm³
Solubility
In water 3.8 ppm @ 20 °C.
HS code
293399
Category
Fungicides
UN number
UN 3077
Illustrative photo, colourless crystals in an open woven sack in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Benomyl?

Plain description, key identifiers and synonyms

Benomyl is a member of the class of benzimidazoles that is the methyl ester of [1-(butylcarbamoyl)-1H-benzimidazol-2-yl]carbamic acid. A foliar fungicide used to control a wide range of Ascomycetes and Fungi Imperfecti in a wide range of crops. It has a role as an acaricide, an anthelminthic drug, a tubulin modulator, a microtubule-destabilising agent and an antifungal agrochemical. It is a member of benzimidazoles, a carbamate ester, an aromatic amide, a benzimidazole fungicide and a benzimidazolylcarbamate fungicide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
methyl N-[1-(butylcarbamoyl)benzimidazol-2-yl]carbamate
CAS number
17804-35-2 CAS number cross-checked
EC number
241-775-7
Molecular formula
C14H18N4O3
UNII
TLW21058F5
MDL number
MFCD00084636
InChIKey
RIOXQFHNBCKOKP-UHFFFAOYSA-N
InChI
InChI=1S/C14H18N4O3/c1-3-4-9-15-13(19)18-11-8-6-5-7-10(11)16-12(18)17-14(20)21-2/h5-8H,3-4,9H2,1-2H3,(H,15,19)(H,16,17,20)
SMILES (canonical and isomeric)
CCCCNC(=O)N1C2=CC=CC=C2N=C1NC(=O)OC

Synonyms

  • Benlate
  • Fundazol
  • Uzgen
  • Fungochrom
  • Agrocit
  • Benlate 50
  • Benomyl-Imex
  • Fungicide D-1991
  • Arbortrine
  • Fundasol
  • Methyl 1-(butylcarbamoyl)-2-benzimidazolecarbamate
  • Kribenomyl
  • Du Pont 1991
  • Tersan 1991
  • Benlate 50 W
  • Benosan
  • Benomyl 50W
  • Chinoin-fundazol
  • NS 02 (fungicide)
  • Benex
  • Fungicide 1991
  • Dupont 1991
  • Benlate 50W
  • Fibenzol
  • Benlat
Show all 39 synonyms
  • NS 02
  • Methyl 1-(butylcarbamoyl)-2-benzimidazolylcarbamate
  • BC 6597
  • Fundazol 50WP
  • Methyl N-(1-butylcarbamoyl-2-benzimidazole)carbamate
  • Methyl 1-(butylamino)carbonyl-1H-benzimidazol-2-ylcarbamate
  • 1-(Butylcarbamoyl)-2-benzimidazol-methylcarbamat
  • 1-(Butylcarbamoyl)-2-benzimidazolecarbamic acid, methyl ester
  • 1-(N-Butylcarbamoyl)-2-(methoxy-carboxamido)-benzimidazol
  • 2-Benzimidazolecarbamic acid, 1-(butylcarbamoyl)-, methyl ester
  • Methyl 1-(butylcarbamoyl)benzimidazol-2-ylcarbamate
  • Carbamic acid, (1-((butylamino)carbonyl)-1H-benzimidazol-2-yl)-, methyl ester
  • methyl [1-(butylcarbamoyl)-1H-benzimidazol-2-yl]carbamate
  • Methyl 1-((butylamino)carbonyl)-1H-benzimidazol-2-ylcarbamate

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
White crystalline solid [Note: Decomposes without melting above 572 degrees F]exp.
Odour
Faint, acrid odor.exp.
Melting point
140 °Cexp.
Boiling point
Decomposesexp.
Density
0.38 g/cm³exp.
Autoignition temperature
220 °Cexp.
Solubility
In water 3.8 ppm @ 20 °C.exp.
Vapour pressure
3.7 × 10⁻⁹ mm Hg @ 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
290.32 g/molcalc.
Exact mass
290.1379 Dacalc.
LogP (octanol/water)
2.57calc.
Topological polar surface area
85.25 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
4calc.
Heavy atoms
21calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.36calc.
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, c1ccc2[nH]cnc2c1

c1ccc2[nH]cnc2c1

2 rings, 9 atoms, the Benzimidazole ring system.

8,995 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H315Causes skin irritation.
  • H317May cause an allergic skin reaction.
  • H335May cause respiratory irritation.
  • H340May cause genetic defects.
  • H360FDMay damage fertility. May damage the unborn child.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (19)
  • P203Obtain, read and follow all safety instructions before use.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P271Use only outdoors or in a well-ventilated area.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 3077
Transport hazard class
9
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

Benomyl suppliers

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

All 38 suppliers
30 of 30 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

38 suppliers in 10 countries

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Benomyl 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

Fungicide, ascaricide, activity as catalyst in biological oxidation of sewage & fertilizers.

For the control of certain diseases of roses, flowers, ornamentals & turf, dip treatment of pineapple seed pieces. For control of wide range of diseases of ... Vegetable & fruit crops.

Control of a wide rage of diseases of fruit, nuts, vegetables, mushrooms, field crops, ornamentals, turf, & trees.

Use classes: Fungicides, Metabolite-benomyls, Pesticides.

Pharmacological actions

  • Anthelmintics
  • Fungicides, Industrial
  • Tubulin Modulators

Roles

  • acaricide
  • agrochemical
  • anthelminthic drug
  • antifungal agent
  • antifungal agrochemical
  • antiinfective agent
  • antimicrobial agent
  • antimitotic
  • antiparasitic agent
  • fungicide
  • microtubule-destabilising agent
  • pesticide
  • pharmaceutical
  • tubulin modulator

Functional uses

  • Biocide

How it is made

Produced by condensing o-phenylenediamine with (hydantoin) & then reacting with butyl isocyanate...

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 613-049-00-3

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Benomyl (ISO), Ref no: 1035, Annex ref: II/1035

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Benomyl?

Benomyl is a member of the class of benzimidazoles that is the methyl ester of [1-(butylcarbamoyl)-1H-benzimidazol-2-yl]carbamic acid. A foliar fungicide used to control a wide range of Ascomycetes and Fungi Imperfecti in a wide range of crops.

What is the CAS number of Benomyl?

The CAS registry number of Benomyl is 17804-35-2.

What is the molecular formula and weight of Benomyl?

The molecular formula of Benomyl is C14H18N4O3 and its molar mass is 290.32 g/mol.

What is Benomyl used for?

Fungicide, ascaricide, activity as catalyst in biological oxidation of sewage & fertilizers. For the control of certain diseases of roses, flowers, ornamentals & turf, dip treatment of pineapple seed pieces. For control of wide range of diseases of ... Vegetable & fruit crops.

Is Benomyl hazardous?

Benomyl carries the GHS signal word "Danger". Main hazards: causes skin irritation, may cause an allergic skin reaction, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Benomyl?

Benomyl is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Benomyl?

CompoundList lists 38 suppliers of Benomyl in China, United States, India, Hong Kong and 6 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Benomyl in India?

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

What is the price of Benomyl?

Suppliers quote Benomyl 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 Benomyl

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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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