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Insecticides and acaricides

Butonate

Also known as Tribufon, Butilchlorofos, Butonato

CAS 126-22-7Formula C8H14Cl3O5PMolar mass 327.53 g/molEC 204-778-4
GHS signal word: Warning. Pictograms: Harmful or irritant
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Butonate chemical structure, C8H14Cl3O5P, CAS 126-22-7
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless, somewhat oily liquid
Boiling point
129 °C
Density
1.3742
Solubility
Miscible with most organic solvents
HS code
293159
Category
Insecticides and acaricides
Illustrative photo, 200 litre blue HDPE drums of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Butonate?

Plain description, key identifiers and synonyms

Butonate is a fatty acid ester and a butyrate ester.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2,2,2-trichloro-1-dimethoxyphosphorylethyl) butanoate
CAS number
126-22-7 CAS number cross-checked
EC number
204-778-4
Molecular formula
C8H14Cl3O5P
UNII
39M9R3Q494
InChIKey
BKAQXYNWONVOAX-UHFFFAOYSA-N
InChI
InChI=1S/C8H14Cl3O5P/c1-4-5-6(12)16-7(8(9,10)11)17(13,14-2)15-3/h7H,4-5H2,1-3H3
SMILES (canonical and isomeric)
CCCC(=O)OC(C(Cl)(Cl)Cl)P(=O)(OC)OC

Synonyms

  • Tribufon
  • Butilchlorofos
  • Butonato
  • Fekama AT 50
  • Pedix PE 50
  • Butonat
  • Butonatum
  • Butanoic acid, 2,2,2-trichloro-1-(dimethoxyphosphinyl)ethyl ester
  • ENT 20,852
  • Trichlorfon butanoic acid ester
  • 2,2,2-Trichloro-1-(dimethoxyphosphinyl)ethyl butanoate
  • O,O-Dimethyl (2,2,2-trichloro-1-n-butyryloxyethyl)phosphonate
  • Dimethyl 1-butyryloxy-2,2,2-trichloroethylphosphonate
  • Butyric acid, ester with dimethyl (2,2,2-trichloro-1-hydroxyethyl)phosphonate
  • O,O-Dimethyl-2,2,2-trichloro-1-phosphonoethyl butyrate
  • Dimethoxy-2,2,2-trichloro-1-n-butyryloxy-ethylphospine oxide
  • O,O-Dimethyl-(1-butyryloxy-2,2,2-trichloroethyl) phosphonate
  • O,O-Dimethyl (2,2,2-trichloro-1-hydroxyethyl) phosphonate ester of butyric acid
  • Phosphonic acid, (2,2,2-trichloro-1-hydroxyethyl)-, dimethyl ester, butyrate
  • 2,2,2-trichloro-1-(dimethoxyphosphoryl)ethyl butanoate
  • tribuphon
  • 0,0,dimethyl-2,2,2-trichloro-1-n-butyryloxyethyl phosphonate
  • Pedix-butonate
  • (2,2,2-trichloro-1-dimethoxyphosphorylethyl) butanoate
  • Pedix-50
Show all 30 synonyms
  • BUT
  • Dimethyl (2,2,2-trichloro-1-butyryloxyethyl)phosphonate
  • Dimethyl 2,2,2-trichloro-1-n-butyryloxyethylphosphonate
  • Butonate (USAN/INN)
  • O,O-Dimethyl-2,2,2-trichloro-1-n-butyryloxyethyl phosphonate

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, somewhat oily liquidexp.
Odour
Slight ester odorexp.
Boiling point
129 °Cexp.
Density
1.3742exp.
Solubility
Miscible with most organic solventsexp.

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
327.53 g/molcalc.
Exact mass
325.9644 Dacalc.
LogP (octanol/water)
3.51calc.
Topological polar surface area
61.83 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
6calc.
Heavy atoms
17calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.88calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
Precautionary statements (5)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • 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

Butonate suppliers

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Butonate 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

Veterinary medication:.

Insecticide.

How it is made

Prepared by reacting Dipterex with N-butyric anhydride: Arthur, Casida, J Agr Food Chem 6, 360 (1958), from alpha-chloro-beta, beta, beta-trichloroethyl butyrate and dimethyl phosphite: Casida, Arthur, US patent 2,911,435 (1959) to Wisconsin Alumni Res Found).

/It is/ made by acylation of trichlorfon ...

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2931.59Indicative HS code

Halogenated organo-phosphorous derivatives, other

World exports in 2024
$46.1M
+14.5% vs 2023, imports $88.5M
2022 to 2024
Top exporters
  1. China32.9%
  2. United States32.0%
  3. Germany8.4%
Top importers
  1. Brazil32.3%
  2. United States19.2%
  3. South Korea6.4%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Butonate?

Butonate is a fatty acid ester and a butyrate ester.

What is the CAS number of Butonate?

The CAS registry number of Butonate is 126-22-7.

What is the molecular formula and weight of Butonate?

The molecular formula of Butonate is C8H14Cl3O5P and its molar mass is 327.53 g/mol.

What is Butonate used for?

Veterinary medication:. Insecticide.

Is Butonate hazardous?

Butonate carries the GHS signal word "Warning". Main hazards: harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Butonate?

Butonate is usually classified under HS code 293159 (Halogenated organo-phosphorous derivatives, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Butonate?

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What is the price of Butonate?

Suppliers quote Butonate 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 Butonate

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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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