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Insecticides and acaricides

Dimefox

Also known as Tetramethylphosphorodiamidic fluoride, Terrasytum, Hanane

CAS 115-26-4Formula C4H12FN2OPMolar mass 154.13 g/molEC 204-076-8
GHS signal word: Danger. Pictograms: Acute toxicity (severe)
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Dimefox chemical structure, C4H12FN2OP, CAS 115-26-4
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Boiling point
85 °C
Density
1.1151 at 20 °C/4 °C
Solubility
Miscible with water at 20 °C.
HS code
294200
Category
Insecticides and acaricides
UN number
UN 3018
Illustrative photo, clear liquid in a volumetric flask on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Dimefox?

Plain description, key identifiers and synonyms

Dimefox is a phosphoramide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-[dimethylamino(fluoro)phosphoryl]-N-methylmethanamine
CAS number
115-26-4 CAS number cross-checked
EC number
204-076-8
Molecular formula
C4H12FN2OP
UNII
N8RU9F1IQD
MDL number
MFCD00055417
InChIKey
PGJBQBDNXAZHBP-UHFFFAOYSA-N
InChI
InChI=1S/C4H12FN2OP/c1-6(2)9(5,8)7(3)4/h1-4H3
SMILES (canonical and isomeric)
CN(C)P(=O)(N(C)C)F

Synonyms

  • Tetramethylphosphorodiamidic fluoride
  • Terrasytum
  • Hanane
  • Terra-Sytam
  • Pestox IV
  • Pestox XIV
  • Pestox 14
  • Terra-Systam
  • Tetra Sytam
  • BFPO
  • DIFO
  • Wacker S 14/10
  • Bis(dimethylamido)fluorophosphate
  • Bisdimethylaminofluorophosphine oxide
  • Fluophosphoric acid di(dimethylamide)
  • Tetramethyldiamidophosphoric fluoride
  • CR 409
  • TL 792
  • ENT 19,109
  • Bis(dimethylamino)fluorophosphate
  • Phosphorodiamidic fluoride, tetramethyl-
  • Phosphine oxide, bis(dimethylamino)fluoro-
  • bis(dimethylamido)phosphoryl fluoride
  • N,N,N',N'-Tetramethylphosphorodiamidic fluoride
  • N,N,N',N'-Tetrametil-fosforodiammido-fluoruro
Show all 34 synonyms
  • N,N,N',N'-Tetramethyl-diamido-phosphorsaeure-fluorid
  • Bis(dimethylamido)-phosphoryl fluoride
  • N-[dimethylamino(fluoro)phosphoryl]-N-methylmethanamine
  • N,N,N,N-Tetramethylphosphorodiamidic fluoride
  • Phosphorodiamidicfluoride, N,N,N',N'-tetramethyl-
  • N,N,N',N'-Tetramethyl-diamido-fluor-phosphin-oxid
  • Fluorure de N,N,N',N'-tetramethyle phosphoro-diamide
  • BFP
  • N,N,N',N'-Tetramethyl-diamido-fosforzuur-fluoride

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 liquidexp.
Odour
Fishy odorexp.
Boiling point
85 °Cexp.
Density
1.1151 at 20 °C/4 °Cexp.
Solubility
Miscible with water at 20 °C.exp.
Vapour pressure
48,000 mPa (0.36 mm Hg) at 25 °C, log P= 1.2 (chloroform/water partition coefficient), resistant to hydrolysis by alkali but is hydrolyzed by acids, slowly oxidized by vigorous oxidizing agents, rapidly by chlorineexp.

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
154.13 g/molcalc.
Exact mass
154.0671 Dacalc.
LogP (octanol/water)
1.19calc.
Topological polar surface area
23.55 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
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
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H300Fatal if swallowed.
  • H310Fatal in contact with skin.
Precautionary statements (12)
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P316Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 3018

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

Dimefox suppliers

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Dimefox 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

Systemic insecticide and acaricide (SRP 2005: former use).

A systemic pesticide primarily for ornamental and non-food plants (SRP 2005: former use).

How it is made

Prepared by fluorination of bis(dimethylamido)phosphoryl chloride.

By interaction of dimethylamine, phosphoryl chloride, and potassium fluoride in chloroform (Brit patent 688,760).

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 015-061-00-9

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2942.00Indicative HS code

Organic compounds not elsewhere classified in chapter 29

World exports in 2024
$589M
−43.5% vs 2023, imports $614M
2019 to 2024
Top exporters
  1. India * partner reported20.7%
  2. United States18.6%
  3. Italy10.4%
Top importers
  1. United States15.1%
  2. Italy6.7%
  3. Japan5.3%

* Partner reported figures, a lower bound.

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

The HS code shown for Dimefox is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Dimefox?

Dimefox is a phosphoramide.

What is the CAS number of Dimefox?

The CAS registry number of Dimefox is 115-26-4.

What is the molecular formula and weight of Dimefox?

The molecular formula of Dimefox is C4H12FN2OP and its molar mass is 154.13 g/mol.

What is Dimefox used for?

Systemic insecticide and acaricide (SRP 2005: former use). A systemic pesticide primarily for ornamental and non-food plants (SRP 2005: former use).

Is Dimefox hazardous?

Dimefox carries the GHS signal word "Danger". Main hazards: fatal if swallowed, fatal in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Dimefox?

Dimefox is usually classified under HS code 294200 (XIII. OTHER ORGANIC COMPOUNDS, other organic compounds). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dimefox?

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What is the price of Dimefox?

Suppliers quote Dimefox 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

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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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