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Aromatic building blocks

Fenthion-ethyl

Also known as Fenthion ethyl, Ethyl fenthion, Lucijet

CAS 1716-09-2Formula C12H19O3PS2Molar mass 306.39 g/molEC 216-999-3
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Hazardous to the environment
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Fenthion-ethyl chemical structure, C12H19O3PS2, CAS 1716-09-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1716-09-2
Formula
C12H19O3PS2
Molar mass
306.39 g/mol
EC number
216-999-3
HS code
293090
Category
Aromatic building blocks

What is Fenthion-ethyl?

Plain description, key identifiers and synonyms

Fenthion-ethyl is a chemical substance with the molecular formula C12H19O3PS2 and a molar mass of 306.39 g/mol. Its CAS registry number is 1716-09-2. The IUPAC name is diethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-λ5-phosphane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
diethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-λ5-phosphane
CAS number
1716-09-2 CAS number cross-checked
EC number
216-999-3
Molecular formula
C12H19O3PS2
UNII
XFB5911115
InChIKey
WGWJBWHBOKETRC-UHFFFAOYSA-N
InChI
InChI=1S/C12H19O3PS2/c1-5-13-16(17,14-6-2)15-11-7-8-12(18-4)10(3)9-11/h7-9H,5-6H2,1-4H3
SMILES (canonical and isomeric)
CCOP(=S)(OCC)OC1=CC(=C(C=C1)SC)C

Synonyms

  • Fenthion ethyl
  • Ethyl fenthion
  • Lucijet
  • O,O-Diethyl O-(3-methyl-4-(methylthio)phenyl) thiophosphate
  • Phosphorothioic acid, O,O-diethyl O-(3-methyl-4-(methylthio)phenyl) ester
  • Bayer S 1751
  • Bayer 29492
  • Phosphorothioic acid, O,O-diethyl O-[3-methyl-4-(methylthio)phenyl] ester
  • BAY 29492
  • ENT 25,636
  • o,o-diethyl o-4-methylthio-m-tolyl phosphorothioate
  • O,O-Diethyl O-(3-methyl-4-(methylthio)phenyl)phosphorothioate
  • Fenthion-ethyl, analytical standard
  • Phosphorothioic acid, O,O-diethyl O-(4-(methylthio)-m-tolyl) ester
  • O,O-diethyl-O-(4-methylthio-m-tolyl)-phosphorothioate
  • O,O-diethyl O-[3-methyl-4-(methylsulfanyl)phenyl] phosphorothioate
  • diethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-|E5-phosphane
  • diethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-lambda5-phosphane
  • O,O-Diethyl o-(3-methyl-4-(methylthio)phenyl) phosphorothioate

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
306.39 g/molcalc.
Exact mass
306.0513 Dacalc.
LogP (octanol/water)
4.39calc.
Topological polar surface area
27.69 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
7calc.
Heavy atoms
18calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.5calc.
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
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H300 + H330Fatal if swallowed. Fatal if inhaled.
  • H300Fatal if swallowed.
  • H311Toxic in contact with skin.
  • H330Fatal if inhaled.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (20)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • 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.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P316Get emergency medical help immediately.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • 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

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Fenthion-ethyl price

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Uses and applications

What the substance is used for, by industry and function

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 Fenthion-ethyl is traded under.

HS 2930.90Indicative HS code

Organo-sulphur compounds, other

World exports in 2024
$5.83B
+0.1% vs 2023, imports $5.93B
2019 to 2024
Top exporters
  1. China40.7%
  2. United States10.9%
  3. Japan9.3%
Top importers
  1. United States13.3%
  2. Brazil12.6%
  3. China6.6%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Fenthion-ethyl, based on the data on this page

What is Fenthion-ethyl?

Fenthion-ethyl is a chemical substance with the molecular formula C12H19O3PS2 and a molar mass of 306.39 g/mol. Its CAS registry number is 1716-09-2. The IUPAC name is diethoxy-(3-methyl-4-methylsulfanylphenoxy)-sulfanylidene-λ5-phosphane.

What is the CAS number of Fenthion-ethyl?

The CAS registry number of Fenthion-ethyl is 1716-09-2.

What is the molecular formula and weight of Fenthion-ethyl?

The molecular formula of Fenthion-ethyl is C12H19O3PS2 and its molar mass is 306.39 g/mol.

What is Fenthion-ethyl used for?

Known uses and roles of Fenthion-ethyl include building blocks in research and laboratory.

Is Fenthion-ethyl hazardous?

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

What is the HS code of Fenthion-ethyl?

Fenthion-ethyl is usually classified under HS code 293090 (Organo-sulphur compounds, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Fenthion-ethyl?

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What is the price of Fenthion-ethyl?

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Guides for buyers

Practical guides that help when you source, ship or handle Fenthion-ethyl

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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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