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Mining and flotation reagents

Benoxafos

Also known as Benoxafosum, O,O-Diethyl-S-(5,7-dichlorobenzoxazol-2-ylmethyl)dithiophosphate, HOE 2910

CAS 16759-59-4Formula C12H14Cl2NO3PS2Molar mass 386.26 g/molEC 808-551-6
GHS signal word: Warning. Pictograms: Harmful or irritant
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Benoxafos chemical structure, C12H14Cl2NO3PS2, CAS 16759-59-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
16759-59-4
Formula
C12H14Cl2NO3PS2
Molar mass
386.26 g/mol
EC number
808-551-6
HS code
293499
Category
Mining and flotation reagents

What is Benoxafos?

Plain description, key identifiers and synonyms

Benoxafos is a chemical substance with the molecular formula C12H14Cl2NO3PS2 and a molar mass of 386.26 g/mol. Its CAS registry number is 16759-59-4. The IUPAC name is (5,7-dichloro-1,3-benzoxazol-2-yl)methylsulfanyl-diethoxy-sulfanylidene-λ5-phosphane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(5,7-dichloro-1,3-benzoxazol-2-yl)methylsulfanyl-diethoxy-sulfanylidene-λ5-phosphane
CAS number
16759-59-4 CAS number cross-checked
EC number
808-551-6
Molecular formula
C12H14Cl2NO3PS2
UNII
LF2DT5DL6H
InChIKey
KEZAYQGUTKCBLO-UHFFFAOYSA-N
InChI
InChI=1S/C12H14Cl2NO3PS2/c1-3-16-19(20,17-4-2)21-7-11-15-10-6-8(13)5-9(14)12(10)18-11/h5-6H,3-4,7H2,1-2H3
SMILES (canonical and isomeric)
CCOP(=S)(OCC)SCC1=NC2=C(O1)C(=CC(=C2)Cl)Cl

Synonyms

  • Benoxafosum
  • O,O-Diethyl-S-(5,7-dichlorobenzoxazol-2-ylmethyl)dithiophosphate
  • HOE 2910
  • Phosphorodithioic acid, S-[(5,7-dichloro-2-benzoxazolyl)methyl] O,O-diethyl ester
  • S-((5,7-Dichlorobenzoxazol-2-yl)methyl) O,O-diethyl phosphorodithioate
  • (5,7-dichloro-1,3-benzoxazol-2-yl)methylsulfanyl-diethoxy-sulfanylidene-lambda5-phosphane
  • S-((5,7-dichlorobenzo[d]oxazol-2-yl)methyl) O,O-diethyl phosphorodithioate
  • (5,7-dichloro-1,3-benzoxazol-2-yl)methylsulfanyl-diethoxy-sulfanylidene-|E5-phosphane
  • S-((5,7-Dichloro-2-benzoxazolyl)methyl) O,O-diethyl phosphorodithioate
  • S-[(5,7-Dichloro-1,3-benzoxazol-2-yl)methyl] O,O-diethyl phosphorodithioate
  • s-5,7-Dichloro-1,3-benzoxazol-2-ylmethyl O,O-diethyl 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

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
386.26 g/molcalc.
Exact mass
384.953 Dacalc.
LogP (octanol/water)
5.67calc.
Topological polar surface area
44.49 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
7calc.
Heavy atoms
21calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.42calc.
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, c1ccc2ocnc2c1

c1ccc2ocnc2c1

2 rings, 9 atoms, the Benzoxazole ring system.

3,300 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

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H413May cause long lasting harmful effects to aquatic life.
Precautionary statements (17)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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

Benoxafos suppliers

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Benoxafos 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 Benoxafos is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Benoxafos?

Benoxafos is a chemical substance with the molecular formula C12H14Cl2NO3PS2 and a molar mass of 386.26 g/mol. Its CAS registry number is 16759-59-4. The IUPAC name is (5,7-dichloro-1,3-benzoxazol-2-yl)methylsulfanyl-diethoxy-sulfanylidene-λ5-phosphane.

What is the CAS number of Benoxafos?

The CAS registry number of Benoxafos is 16759-59-4.

What is the molecular formula and weight of Benoxafos?

The molecular formula of Benoxafos is C12H14Cl2NO3PS2 and its molar mass is 386.26 g/mol.

Is Benoxafos hazardous?

Benoxafos carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Benoxafos?

Benoxafos is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Benoxafos?

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What is the price of Benoxafos?

Suppliers quote Benoxafos 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 Benoxafos

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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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