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Insecticides and acaricides

Crufomate

Also known as Ruelene, Montrel, Amidofos

CAS 299-86-5Formula C12H19ClNO3PMolar mass 291.72 g/molEC 206-083-1
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment
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Crufomate chemical structure, C12H19ClNO3P, CAS 299-86-5
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White crystalline solid
Melting point
60 to 60.5
Boiling point
117 to 118
Density
Relative density (water = 1): 1.5
Solubility
PRACTICALLY INSOLUBLE IN LIGHT PETROLEUM, WATER, SOL IN ACETONE, BENZENE, CARBON TETRACH…
HS code
291990
Category
Insecticides and acaricides
UN number
UN 2783
Illustrative photo, colourless crystals in a clear glass bottle on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Crufomate?

Plain description, key identifiers and synonyms

Crufomate is an alkylbenzene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-[(4-tert-butyl-2-chlorophenoxy)-methoxyphosphoryl]methanamine
CAS number
299-86-5 CAS number cross-checked
EC number
206-083-1
Molecular formula
C12H19ClNO3P
UNII
V82Q65924L
InChIKey
BOFHKBLZOYVHSI-UHFFFAOYSA-N
InChI
InChI=1S/C12H19ClNO3P/c1-12(2,3)9-6-7-11(10(13)8-9)17-18(15,14-4)16-5/h6-8H,1-5H3,(H,14,15)
SMILES (canonical and isomeric)
CC(C)(C)C1=CC(=C(C=C1)OP(=O)(NC)OC)Cl

Synonyms

  • Ruelene
  • Montrel
  • Amidofos
  • Amidophos
  • Rulene
  • Ruelene drench
  • Dowco 132
  • Crufomate A
  • Crufomat
  • Crufomato
  • Ruelene 25E
  • Ruerene
  • Crufomatum
  • 4-tert-Butyl-2-chlorophenyl methyl methylphosphoramidate
  • Phosphoramidic acid, methyl-, 2-chloro-4-(1,1-dimethylethyl)phenyl methyl ester
  • 4-tert-Butyl-2-chlorophenyl N-methyl O-methylphosphoramidate
  • 2-Chloro-4-(1,1-dimethylethyl)phenyl methyl methylphosphoramidate
  • 4-t-Butyl-2-chlorophenylmethyl methyl phosphoramidate
  • O-Methyl-O-(4-tert-butyl-2-chlorophenyl)methylphosphoramidate
  • Methylphosphoramidic acid 2-chloro-4-(1,1-dimethylethyl)phenyl methyl ester
  • 4-t-Butyl-2-chlorophenylmethyl methylphosphoramidate
  • Cruformate
  • ENT 25,602-X
  • 4-tert-Butyl-2-chlorophenyl O-methyl methylphosphoroamidate
  • N,O-Dimethyl-o-(4-tert-butyl-2-chlorophenyl)phosphoramidate
Show all 38 synonyms
  • O-Methyl O-2-chloro-4-tert-butylphenyl N-methylamidophosphate
  • 4-t-Butyl-2-chlorophenyl methyl methylphosphoramidate
  • O-(4-Terz.-butil-2-cloro-fenil)-O-metil-fosforammide
  • Phosphoramidic acid, 4-tert-butyl-2-chlorophenylphosphoramidate
  • Methylphosphoramidic acid, 4-t-butyl-2-chlorophenyl methyl ester
  • N-[(4-tert-butyl-2-chlorophenoxy)-methoxyphosphoryl]methanamine
  • O-(4-tert-Butyl-2-chlorophenyl) O-methyl N-methylamido phosphate
  • O-(4-tert Butyl-2-chloor-fenyl)-O-methyl-fosforzuur-N-methyl-amide
  • o-(4-tert-Butyl-2-chlor-phenyl)-O-methyl-phosphorsaeure-N-methylamid
  • Phenol, 4-t-butyl-2-chloro-, ester with methyl methylphosphoramidate
  • Phosphoramidic acid, methyl-, 4-tert-butyl-2-chlorophenyl methyl ester
  • 4-Tert. butyl 2-chlorophenyl methylphosphoramidate de methyle
  • Phosphoramidic acid methyl-, 2-chloro-4-(1,1-dimethylethyl)phenyl methyl ester

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 solidexp.
Melting point
60 to 60.5exp.
Boiling point
117 to 118exp.
Density
Relative density (water = 1): 1.5exp.
Solubility
PRACTICALLY INSOLUBLE IN LIGHT PETROLEUM, WATER, SOL IN ACETONE, BENZENE, CARBON TETRACHLORIDE, SOL UB ACETONE, BENZENE, CARBON TETRACHLORIDEexp.
Vapour pressure
0.01 MM HG AT 117 °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
291.72 g/molcalc.
Exact mass
291.0791 Dacalc.
LogP (octanol/water)
3.99calc.
Topological polar surface area
47.56 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
4calc.
Heavy atoms
18calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.5calc.
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, 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
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (12)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2783
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

Crufomate suppliers

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Crufomate 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

Insecticide for cattle grubs, horn flies & lice on cattle.

Veterinary medication: Anthelmintic, insecticide.

Animal systemic insecticide used for cattle grub control.

Use classes: Insecticides.

How it is made

Reaction of 4-t-butyl-2-chlorophenyl phosphonyldichloride with methanol & then with methylamine

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 015-074-00-X

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2919.90Indicative HS code

Phosphoric, and their salts, including lactophosphates, their halogenated, sulphonated, nitrated…

World exports in 2024
$940M
−0.7% vs 2023, imports $863M
2019 to 2024
Top exporters
  1. China55.6%
  2. Germany10.6%
  3. Italy6.2%
Top importers
  1. United States15.8%
  2. South Korea10.1%
  3. Germany6.4%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Crufomate?

Crufomate is an alkylbenzene.

What is the CAS number of Crufomate?

The CAS registry number of Crufomate is 299-86-5.

What is the molecular formula and weight of Crufomate?

The molecular formula of Crufomate is C12H19ClNO3P and its molar mass is 291.72 g/mol.

What is Crufomate used for?

Insecticide for cattle grubs, horn flies & lice on cattle. Veterinary medication: Anthelmintic, insecticide. Animal systemic insecticide used for cattle grub control. Use classes: Insecticides.

Is Crufomate hazardous?

Crufomate carries the GHS signal word "Warning". Main hazards: harmful if swallowed, harmful in contact with skin, very toxic to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Crufomate?

Crufomate is usually classified under HS code 291990 (Phosphoric esters and their salts, including lactophosphates, their halogenated…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Crufomate?

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What is the price of Crufomate?

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Guides for buyers

Practical guides that help when you source, ship or handle Crufomate

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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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