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Herbicides

Chlorpropham

Also known as Chloropropham, Chloro-IPC, CIPC

CAS 101-21-3Formula C10H12ClNO2Molar mass 213.66 g/molEC 202-925-7
GHS signal word: Warning. Pictograms: Serious health hazard, Hazardous to the environment 25 suppliers listed
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Chlorpropham chemical structure, C10H12ClNO2, CAS 101-21-3
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless solid
Melting point
40.7 to 41.1
Boiling point
246 °C
Density
1.18 g/cm³
Solubility
In water, 89 mg/L at 25 °C
HS code
292429
Category
Herbicides
UN number
UN 3077
Illustrative photo, a white jumbo bulk bag of powder in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Chlorpropham?

Plain description, key identifiers and synonyms

Chlorpropham is a carbamate ester that is the isopropyl ester of 3-chlorophenylcarbamic acid. It has a role as a herbicide and a plant growth retardant. It is a member of benzenes, a carbamate ester and a member of monochlorobenzenes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
propan-2-yl N-(3-chlorophenyl)carbamate
CAS number
101-21-3 CAS number cross-checked
EC number
202-925-7
Molecular formula
C10H12ClNO2
UNII
0HBU04R8B0
MDL number
MFCD00037108
InChIKey
CWJSHJJYOPWUGX-UHFFFAOYSA-N
InChI
InChI=1S/C10H12ClNO2/c1-7(2)14-10(13)12-9-5-3-4-8(11)6-9/h3-7H,1-2H3,(H,12,13)
SMILES (canonical and isomeric)
CC(C)OC(=O)NC1=CC(=CC=C1)Cl

Synonyms

  • Chloropropham
  • Chloro-IPC
  • CIPC
  • isopropyl (3-chlorophenyl)carbamate
  • Preventol
  • Elbanil
  • Metoxon
  • Nexoval
  • Isopropyl N-(3-chlorophenyl)carbamate
  • Chlorprophame
  • Taterpex
  • Triherbicide CIPC
  • Mirvale
  • Preventol 56
  • Preweed
  • Liro CIPC
  • Keim-stop
  • Stopgerme-S
  • Sprout Nip
  • ChlorIPC
  • Isopropyl m-chlorocarbanilate
  • Spud-Nic
  • Spud-Nie
  • Chloro-IFK
  • Chlor IFC
Show all 39 synonyms
  • Chlor IFK
  • Prevenol 56
  • CI-IPC
  • Fasco WY-HOE
  • Furloe 3 EC
  • Isopropyl 3-chlorocarbanilate
  • Cl-IFK
  • Bud Nip
  • Chlor IPC
  • Furloe 3EC
  • Isopropyl N-(m-chlorophenyl)carbamate
  • Carbamic acid, (3-chlorophenyl)-, 1-methylethyl ester
  • Isopropyl 3-chlorophenylcarbamate
  • Sprout-nip EC

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.
Odour
Faint characteristic odorexp.
Melting point
40.7 to 41.1exp.
Boiling point
246 °Cexp.
Density
1.18 g/cm³exp.
Solubility
In water, 89 mg/L at 25 °Cexp.
Vapour pressure
2 mm Hg at 149 °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
213.66 g/molcalc.
Exact mass
213.0557 Dacalc.
LogP (octanol/water)
3.3calc.
Topological polar surface area
38.33 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
14calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.3calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H351Suspected of causing cancer.
  • H373May cause damage to organs through prolonged or repeated exposure.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (9)
  • P203Obtain, read and follow all safety instructions before use.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • 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

Chlorpropham suppliers

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All 25 suppliers
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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

25 suppliers in 9 countries

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Chlorpropham 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.

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Uses and applications

What the substance is used for, by industry and function

Chlorpropham acts as highly selective preemergence and early postemergence herbicide, it effectively controls many annual grassy and broadleaf weeds, application during late fall and winter for control of some perennial weeds.

For control of weeds in alfalfa, lima and snap beans, blueberries, cane berries, cranberries, carrots, ladino clover, garlic, seed grass, peas, onions, spinach, sugar beets, tomatoes, safflower, soybeans, gladioli, woody nursery stock. Also for inhibiting potato sprouting and systemic sucker control in tobacco.

Use classes: Pharmaceuticals, Herbicides, Plant growth regulators, Pesticides.

Pharmacological actions

  • Herbicides
  • Plant Growth Regulators

Roles

  • growth regulator
  • herbicide
  • pesticide
  • plant growth regulator
  • plant growth retardant

Functional uses

  • Biocide

How it is made

Reaction of 3-chlorophenyl isocyanate with isopropyl alcohol. ... Lab method of purification: recrystallize from n-hexane.

Reaction of 3-chloroaniline with isopropyl chloroformate.

Preparation: E. D. Witman, US 2695225, Strain, US 2734911 (1954, 1956 both to Columbia-Southern Chem.), Brockway, US 2806051 (1957 to B. F. Goodrich)

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 006-096-00-0

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Chlorpropham (ISO), isopropyl 3-chlorocarbanilate, Ref no: 1406, Annex ref: II/1406

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2924.29Indicative HS code

Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other

World exports in 2024
$5.69B
−5.1% vs 2023, imports $5.8B
2019 to 2024
Top exporters
  1. China32.3%
  2. Switzerland * partner reported13.6%
  3. Norway * partner reported12.8%
Top importers
  1. United States15.9%
  2. Ireland15.8%
  3. Germany11.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Chlorpropham?

Chlorpropham is a carbamate ester that is the isopropyl ester of 3-chlorophenylcarbamic acid. It has a role as a herbicide and a plant growth retardant. It is a member of benzenes, a carbamate ester and a member of monochlorobenzenes.

What is the CAS number of Chlorpropham?

The CAS registry number of Chlorpropham is 101-21-3.

What is the molecular formula and weight of Chlorpropham?

The molecular formula of Chlorpropham is C10H12ClNO2 and its molar mass is 213.66 g/mol.

What is Chlorpropham used for?

Chlorpropham acts as highly selective preemergence and early postemergence herbicide, it effectively controls many annual grassy and broadleaf weeds, application during late fall and winter for control of some perennial weeds.

Is Chlorpropham hazardous?

Chlorpropham carries the GHS signal word "Warning". Main hazards: suspected of causing cancer, may cause damage to organs through prolonged or repeated exposure, 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 Chlorpropham?

Chlorpropham is usually classified under HS code 292429 (Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Chlorpropham?

CompoundList lists 25 suppliers of Chlorpropham in China, United States, Canada, Denmark and 5 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 Chlorpropham?

Suppliers quote Chlorpropham 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 Chlorpropham

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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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