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Herbicides

Phenmedipham

Also known as Betanal, Fenmedifam, Spin-aid

CAS 13684-63-4Formula C16H16N2O4Molar mass 300.31 g/molEC 237-199-0
GHS signal word: Warning. Pictograms: Hazardous to the environment 13 suppliers listed
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Phenmedipham chemical structure, C16H16N2O4, CAS 13684-63-4
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless crystals
Melting point
143 to 144
Density
0.25-0.30 g/cu c at 20 °C
Flash point
74 °C
Solubility
COLORLESS, ODORLESS, CRYSTALLINE SOLID, MP 143-144 °C, SOLUBILITY: 1 MG/L WATER AT 20 °C…
HS code
292429
Category
Herbicides
Illustrative photo, colourless crystals in an open woven sack in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Phenmedipham?

Plain description, key identifiers and synonyms

Phenmedipham is a carbamate ester that is (3-methylphenyl)carbamic acid in which the hydrogen of the hydroxy group has been replaced by a 3-[(methoxycarbonyl)amino]phenyl group. It has a role as a herbicide, a xenobiotic and an environmental contaminant.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[3-(methoxycarbonylamino)phenyl] N-(3-methylphenyl)carbamate
CAS number
13684-63-4 CAS number cross-checked
EC number
237-199-0
Molecular formula
C16H16N2O4
UNII
UJE31KXP78
MDL number
MFCD00055419
InChIKey
IDOWTHOLJBTAFI-UHFFFAOYSA-N
InChI
InChI=1S/C16H16N2O4/c1-11-5-3-6-12(9-11)18-16(20)22-14-8-4-7-13(10-14)17-15(19)21-2/h3-10H,1-2H3,(H,17,19)(H,18,20)
SMILES (canonical and isomeric)
CC1=CC(=CC=C1)NC(=O)OC2=CC=CC(=C2)NC(=O)OC

Synonyms

  • Betanal
  • Fenmedifam
  • Spin-aid
  • Phenmediphame
  • Kemifam
  • Synbetan P
  • Schering 4072
  • Morton EP 452
  • Methyl 3-(3-methylcarbaniloyloxy)carbanilate
  • SN 4075
  • Methyl 3-(m-tolylcarbamoyloxy)phenylcarbamate
  • 3-(Carbomethoxyamino)phenyl 3-methylcarbanilate
  • Methyl-3-m-tolycarbamoloxyphenyl carbamate
  • 3-Methoxycarbonylaminophenyl N-3'-methylphenylcarbamate
  • m-Hydroxycarbanilic acid methyl ester m-methylcarbanilate
  • 3-((Methoxycarbonyl)amino)phenyl (3-methylphenyl)carbamate
  • Methyl-3-hydroxycarbanilate-3-methylcarbanilate
  • 3-[(Methoxycarbonyl)amino]phenyl N-(3-methylphenyl)carbamate
  • 3-Methoxycarbonyl-N-(3'-methylphenyl)-carbamat
  • Methyl m-hydroxycarbanilate, m-methylcarbanilate
  • 3-Methoxycarbonylaminophenyl 3'-methylcarbanilate
  • 3-[(Methoxycarbonyl)amino]phenyl (3-methylphenyl)carbamate
  • Methyl N-(3-(N-(3-methylphenyl)carbamoyloxy)phenyl)carbamate
  • Carbanilic acid, m-hydroxy, methyl ester, m-methylcarbanilate (ester)
  • Methyl m-hydroxycarbanilate m-methylcarbanilate (ester)
Show all 37 synonyms
  • Methyl m-hydroxycarbanilate m-methylcarbanilate
  • 3-((Methoxycarbonyl)amino)phenyl N-(3-methylphenyl)carbamate
  • Methyl N-[3-[N-(3-methylphenyl)carbamoyloxy]phenyl]carbamate
  • Methanol, 1-(3-(((1E)-hydroxymethoxymethylene)amino)phenoxy)-1-((3-methylphenyl)imino)-, (E)-
  • 1-3-((hydroxy(methoxy)methylidene)amino)phenoxy-N-(3-methylphenyl)methanimidic acid
  • Vangard
  • 3-((Methoxycarbonyl)amino)phenyl m-tolylcarbamate
  • [3-(methoxycarbonylamino)phenyl] N-(3-methylphenyl)carbamate
  • Carbamic acid, (3-methylphenyl)-, 3-((methoxycarbonyl)amino)phenyl ester
  • 3-(Methylphenyl)carbamic acid 3-((methoxycarbonyl)amino)phenyl ester
  • Carbamic acid, (3-methylphenyl)-, 3-[(methoxycarbonyl)amino]phenyl ester
  • Carbanilic acid, m-hydroxy-, methyl ester, m-methylcarbanilate

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
ODORLESSexp.
Melting point
143 to 144exp.
Density
0.25-0.30 g/cu c at 20 °Cexp.
Flash point
74 °Cexp.
Solubility
COLORLESS, ODORLESS, CRYSTALLINE SOLID, MP 143-144 °C, SOLUBILITY: 1 MG/L WATER AT 20 °C, ACETONE 20%, CYCLOHEXANONE 20%, METHANOL 5% /TECHNICAL MATERIAL 97% PURE/exp.
Vapour pressure
1.3 nPa 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
300.31 g/molcalc.
Exact mass
300.111 Dacalc.
LogP (octanol/water)
3.78calc.
Topological polar surface area
76.66 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
3calc.
Heavy atoms
22calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.13calc.
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, O=C(Nc1ccccc1)Oc1ccccc1

O=C(Nc1ccccc1)Oc1ccccc1

2 rings, 16 atoms, the Phenyl N-phenylcarbamate ring system.

383 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (3)
  • P273Avoid release to the environment.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.

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

Phenmedipham suppliers

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

All 13 suppliers
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Where suppliers are based

13 suppliers in 6 countries

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Phenmedipham price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Post emergent herbicide for control of certain broadleaf & grass weeds, recommended for use in sugar beets, strawberries & sunflowers.

Use classes: Pharmaceuticals, Herbicides, Pesticides.

Pharmacological actions

  • Herbicides

Roles

  • environmental contaminant
  • herbicide
  • pesticide
  • xenobiotic

Functional uses

  • Biocide

How it is made

Produced by reaction of 3-methoxycarbonylaminophenol & m-tolyl isocyanate...

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 616-106-00-0

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Phenmedipham 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 Phenmedipham is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Phenmedipham?

Phenmedipham is a carbamate ester that is (3-methylphenyl)carbamic acid in which the hydrogen of the hydroxy group has been replaced by a 3-[(methoxycarbonyl)amino]phenyl group. It has a role as a herbicide, a xenobiotic and an environmental contaminant.

What is the CAS number of Phenmedipham?

The CAS registry number of Phenmedipham is 13684-63-4.

What is the molecular formula and weight of Phenmedipham?

The molecular formula of Phenmedipham is C16H16N2O4 and its molar mass is 300.31 g/mol.

What is Phenmedipham used for?

Post emergent herbicide for control of certain broadleaf & grass weeds, recommended for use in sugar beets, strawberries & sunflowers. Use classes: Pharmaceuticals, Herbicides, Pesticides.

Is Phenmedipham hazardous?

Phenmedipham carries the GHS signal word "Warning". Main hazards: 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 Phenmedipham?

Phenmedipham 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 Phenmedipham?

CompoundList lists 13 suppliers of Phenmedipham in China, France, Czech Republic, India and 2 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Phenmedipham in India?

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

What is the price of Phenmedipham?

Suppliers quote Phenmedipham 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 Phenmedipham

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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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