CompoundList
Sign in
Fungicides

Vinclozolin

Also known as Ronilan, Vinclozoline, Ornalin

CAS 50471-44-8Formula C12H9Cl2NO3Molar mass 286.11 g/molEC 256-599-6
GHS signal word: Danger. Pictograms: Harmful or irritant, Serious health hazard, Hazardous to the environment 12 suppliers listed
Get quotes Compare 12 suppliers
Vinclozolin chemical structure, C12H9Cl2NO3, CAS 50471-44-8
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless crystals
Melting point
108 °C
Boiling point
131 °C
Density
1.51 g/cm³
Solubility
In water, 2.6 mg/L at 20 °C
HS code
293499
Category
Fungicides
UN number
UN 3077
Illustrative photo, colourless crystals beside a jumbo bulk bag in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Vinclozolin?

Plain description, key identifiers and synonyms

3-(3,5-dichlorophenyl)-5-ethenyl-5-methyl-2,4-oxazolidinedione is a member of the class of oxazolidinones that is 5-ethenyl-5-methyl-2,4-oxazolidinedione in which the imide hydrogen is replaced by a 3,5-dichlorophenyl group. It is a dichlorobenzene, a dicarboximide, an oxazolidinone and an olefinic compound.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-(3,5-dichlorophenyl)-5-ethenyl-5-methyl-1,3-oxazolidine-2,4-dione
CAS number
50471-44-8 CAS number cross-checkedOther or deprecated CAS: 152723-54-1
EC number
256-599-6
Molecular formula
C12H9Cl2NO3
UNII
JJ258EZN1I
MDL number
MFCD00055511
InChIKey
FSCWZHGZWWDELK-UHFFFAOYSA-N
InChI
InChI=1S/C12H9Cl2NO3/c1-3-12(2)10(16)15(11(17)18-12)9-5-7(13)4-8(14)6-9/h3-6H,1H2,2H3
SMILES (canonical and isomeric)
CC1(C(=O)N(C(=O)O1)C2=CC(=CC(=C2)Cl)Cl)C=C

Synonyms

  • Ronilan
  • Vinclozoline
  • Ornalin
  • Vorlan
  • Vinchlozoline
  • 3-(3,5-Dichlorophenyl)-5-ethenyl-5-methyl-2,4-oxazolidinedione
  • BAS 352 F
  • BAS 35204F
  • 3-(3,5-dichlorophenyl)-5-ethenyl-5-methyl-1,3-oxazolidine-2,4-dione
  • 2,4-Oxazolidinedione, 3-(3,5-dichlorophenyl)-5-ethenyl-5-methyl-
  • 3-(3,5-Dichlorophenyl)-5-methyl-5-vinyl-1,3-oxazolidine-2,4-dione
  • 3-(3,5-dichlorophenyl)-5-methyl-5-vinyl-oxazolidine-2,4-dione
  • (+ or-)-3-(3,5-dichlorophenyl)-5-ethenyl-5-methyl-2,4-oxazolidinedione
  • N-3,5-Dichlorophenyl-5-methyl-5-vinyl-1,3-oxazolidine-2,4-dione
  • Vinclozolin in Acetone
  • 2,4-Oxazolidinedione, 3-(3,5-dichlorophenyl)-5-methyl-5-vinyl-
  • 3-(3,5-Dichlorphenyl)-5-methyl-5-vinyl-1,3-oxazolidin-2,4-dion
  • Vinclozoline [ISO-French]
  • Ronilan 50WP
  • Vinclozalin
  • Vinclozlin
  • Ronilon
  • 3-(3,5-dichlorophenyl)-5-methyl-5-vinyloxazolidine-2,4-dione
  • zolidine-2,4-dione
  • Ronilan FL (Salt/Mix)
Show all 31 synonyms
  • (+ or -)-3-(3,5-dichlorophenyl)-5-ethenyl-5-methyl-2,4-oxazolidinedione
  • Mascot contact turf fungicide
  • Vinclozolin, (+/-)-
  • Vinclozolin 10 microg/mL in Isooctane
  • Vinclozolin 1000 microg/mL in Acetone
  • Vinclozolin 100 microg/mL in Cyclohexane

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 aromatic odorexp.
Melting point
108 °Cexp.
Boiling point
131 °Cexp.
Density
1.51 g/cm³exp.
Solubility
In water, 2.6 mg/L at 20 °Cexp.
Vapour pressure
1.2 × 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
286.11 g/molcalc.
Exact mass
284.9959 Dacalc.
LogP (octanol/water)
3.42calc.
Topological polar surface area
46.61 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
2calc.
Heavy atoms
18calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.17calc.
Formal charge
0calc.
Stereocentres
1calc.
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, O=C1COC(=O)N1c1ccccc1

O=C1COC(=O)N1c1ccccc1

2 rings, 13 atoms, the 3-Phenyl-1,3-oxazolidine-2,4-dione ring system.

16 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

  • H317May cause an allergic skin reaction.
  • H351Suspected of causing cancer.
  • H360FDMay damage fertility. May damage the unborn child.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (13)
  • P203Obtain, read and follow all safety instructions before use.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • 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.
  • P318If exposed or concerned, get medical advice.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • 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 3077

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

Vinclozolin suppliers

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

All 12 suppliers
12 of 12 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

12 suppliers in 5 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Vinclozolin price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Vinclozolin is a non-systemic fungicide used to control various blights and rots caused by fungal pathogens.

Vinclozolin (VZ) is a dicarboximide fungicide widely used on fruits, vegetables and wines, effective against fungi plagues.

Agricultural fungicide.

Use classes: Pesticides, Fungicides.

Pharmacological actions

  • Androgen Antagonists
  • Fungicides, Industrial

Functional uses

  • Biocide

How it is made

Vinclozolin is produced by reaction of 3,5-dichlorophenyl isocyanate with an alkyl ester of 2-hydroxy-2-vinylpropionic acid, followed by ring closure is achieved at elevated temperature, or by reaction of methyl vinyl ketone with sodium cyanide, 3,5-dichloroaniline, and phosgene.

Preparation: D. Mangold et al., German patent 2207576 (1973 to BASF).

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 607-307-00-4

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Vinclozolin, Ref no: 738, Annex ref: II/738

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Vinclozolin?

3-(3,5-dichlorophenyl)-5-ethenyl-5-methyl-2,4-oxazolidinedione is a member of the class of oxazolidinones that is 5-ethenyl-5-methyl-2,4-oxazolidinedione in which the imide hydrogen is replaced by a 3,5-dichlorophenyl group. It is a dichlorobenzene, a dicarboximide, an oxazolidinone and an olefinic compound.

What is the CAS number of Vinclozolin?

The CAS registry number of Vinclozolin is 50471-44-8. Other or deprecated CAS numbers: 152723-54-1.

What is the molecular formula and weight of Vinclozolin?

The molecular formula of Vinclozolin is C12H9Cl2NO3 and its molar mass is 286.11 g/mol.

What is Vinclozolin used for?

Vinclozolin is a non-systemic fungicide used to control various blights and rots caused by fungal pathogens. Vinclozolin (VZ) is a dicarboximide fungicide widely used on fruits, vegetables and wines, effective against fungi plagues. Agricultural fungicide. Use classes: Pesticides, Fungicides.

Is Vinclozolin hazardous?

Vinclozolin carries the GHS signal word "Danger". Main hazards: may cause an allergic skin reaction, suspected of causing cancer, may damage fertility. may damage the unborn child. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Vinclozolin?

Vinclozolin is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Vinclozolin?

CompoundList lists 12 suppliers of Vinclozolin in China, United States, United Kingdom, Hong Kong and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Vinclozolin?

Suppliers quote Vinclozolin 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 Vinclozolin

Get quotes for Vinclozolin

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Vinclozolin
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Vinclozolin with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/vinclozolin-50471-44-8" title="Vinclozolin structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Fungicides or HS code 293499

12 suppliers
Free quotes, contact stays private
Get quotes