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Mining and flotation reagents

Methyl phenkapton

Also known as Methyl phencapton, Geigy 30494, Geigy G-30494

CAS 3735-23-7Formula C9H11Cl2O2PS3Molar mass 349.27 g/mol
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Methyl phenkapton chemical structure, C9H11Cl2O2PS3, CAS 3735-23-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3735-23-7
Formula
C9H11Cl2O2PS3
Physical form
Liquid
Boiling point
400 °C
HS code
293090
Category
Mining and flotation reagents
Illustrative photo, closed blue jerry cans in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Methyl phenkapton?

Plain description, key identifiers and synonyms

Methyl phenkapton is a liquid. Used as an acaricide, insecticide. Not registered as a pesticide in the U.S. (EPA, 1998)

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2,5-dichlorophenyl)sulfanylmethylsulfanyl-dimethoxy-sulfanylidene-λ5-phosphane
CAS number
3735-23-7 CAS number cross-checked
Molecular formula
C9H11Cl2O2PS3
UNII
KZQ8324E26
InChIKey
IHCHKPCNDMQWGF-UHFFFAOYSA-N
InChI
InChI=1S/C9H11Cl2O2PS3/c1-12-14(15,13-2)17-6-16-9-5-7(10)3-4-8(9)11/h3-5H,6H2,1-2H3
SMILES (canonical and isomeric)
COP(=S)(OC)SCSC1=C(C=CC(=C1)Cl)Cl

Synonyms

  • Methyl phencapton
  • Geigy 30494
  • Geigy G-30494
  • ENT 25,554-X
  • Methylphenkapton
  • O,O-Dimethyl S-(2,5-dichlorophenylthio)methyl phosphorodithioate
  • Phosphorodithioic acid, S-(((2,5-dichlorophenyl)thio)methyl) O,O-dimethyl ester
  • S-(((2,5-Dichlorophenyl)thio)methyl) O,O-dimethyl phosphorodithioate
  • Methanethiol, ((2,5-dichlorophenyl)thio)-, S-ester with O,O-dimethyl phosphorodithioate
  • Phosphorodithioic acid, S-[[(2,5-dichlorophenyl)thio]methyl] O,O-dimethyl ester
  • O,O-Dimethyl S-(((2,5-dichlorophenyl)thio)methyl) phosphorodithioate
  • O,O-Dimethyl S-[[(2,5-dichlorophenyl)thio]methyl] phosphorodithioate
  • Phosporodithioic acid, S-(((2,5-dichlorophenyl)thio)methyl) O,O-dimethyl ester
  • Phosporodithioic acid, S-[[(2,5-dichlorophenyl)thio]methyl] O,O-dimethyl ester
  • S-[[(2,5-Dichlorophenyl)thio]methyl] O,O-dimethyl phosphorodithioate
  • Methanethiol,((2,5-dichlorophenylthio)-, S-ester with O,O-dimethyl phosphorodithioate
  • O,O-dimethyl S-(2,5-dichlorophenylthiomethyl) phosphorodithioate
  • S-{[(2,5-Dichlorophenyl)sulfanyl]methyl} O,O-dimethyl phosphorodithioate

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

Physical form
Liquidexp.
Boiling point
400 °Cexp.
Vapour pressure
0.0000035 [mm Hg] @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
349.27 g/molcalc.
Exact mass
347.9036 Dacalc.
LogP (octanol/water)
5.29calc.
Topological polar surface area
18.46 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
6calc.
Heavy atoms
17calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.33calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)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

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Methyl phenkapton suppliers

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Methyl phenkapton 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Methyl phenkapton 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 Methyl phenkapton is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Methyl phenkapton, based on the data on this page

What is Methyl phenkapton?

Methyl phenkapton is a liquid. Used as an acaricide, insecticide. Not registered as a pesticide in the U.S. (EPA, 1998)

What is the CAS number of Methyl phenkapton?

The CAS registry number of Methyl phenkapton is 3735-23-7.

What is the molecular formula and weight of Methyl phenkapton?

The molecular formula of Methyl phenkapton is C9H11Cl2O2PS3 and its molar mass is 349.27 g/mol.

Is Methyl phenkapton hazardous?

No GHS hazard classification for Methyl phenkapton is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Methyl phenkapton?

Methyl phenkapton 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 Methyl phenkapton?

Post a free request on CompoundList and suppliers of Methyl phenkapton will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Methyl phenkapton?

Suppliers quote Methyl phenkapton 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 Methyl phenkapton

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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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