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Insecticides and acaricides

Dinex

Also known as 2-Cyclohexyl-4,6-dinitrophenol, Pedinex, Rcra waste number P034

CAS 131-89-5Formula C12H14N2O5Molar mass 266.25 g/molEC 205-042-5
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Hazardous to the environment
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Dinex chemical structure, C12H14N2O5, CAS 131-89-5
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Crystalline solid
Melting point
106.5 to 107.5
Solubility
SOL IN WATER, ALCOHOL, CRYSTALS SOL IN WATER, ALCOHOL.
HS code
290899
Category
Insecticides and acaricides
UN number
UN 2779
Illustrative photo, a shrink wrapped pallet of kraft paper sacks in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Dinex?

Plain description, key identifiers and synonyms

Dinex is a ring assembly and an alkylbenzene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-cyclohexyl-4,6-dinitrophenol
CAS number
131-89-5 CAS number cross-checkedOther or deprecated CAS: 317-83-9
EC number
205-042-5
Molecular formula
C12H14N2O5
UNII
149RBS03P0
InChIKey
QJYHUJAGJUHXJN-UHFFFAOYSA-N
InChI
InChI=1S/C12H14N2O5/c15-12-10(8-4-2-1-3-5-8)6-9(13(16)17)7-11(12)14(18)19/h6-8,15H,1-5H2
SMILES (canonical and isomeric)
C1CCC(CC1)C2=C(C(=CC(=C2)[N+](=O)[O-])[N+](=O)[O-])O

Synonyms

  • 2-Cyclohexyl-4,6-dinitrophenol
  • Pedinex
  • Rcra waste number P034
  • 2,4-Dinitro-6-cyclohexylphenol
  • Stryphnonasal (Salt/Mix)
  • 4-06-00-03903 (Beilstein Handbook Reference)
  • NA 9026
  • Pedinex (french)
  • Dinitroocyclohexylphenol
  • 6Cicloesil2,4dinitrfenolo
  • Dinitroorthocyclohexylphenol
  • 2Cyclohexyl4,6dinitrofenol
  • DN DRY MIX NO 1
  • DRY MIX NO 1
  • 4,6Dinitroocyclohexylphenol
  • 2Cyclohexyl4,6dinitrophenol
  • 6Cyclohexyl2,4dinitrophenol
  • Phenol, 2cyclohexyl4,6dinitro
  • Phenol, 6cyclohexyl2,4dinitro
  • 2,4-Dinitro-6-cyclohexyl phenol
  • Dnochp
  • Dinitrocyclohexylphenol
  • Dowspray 17
  • Phenol, 2-cyclohexyl-4,6-dinitro-
  • Dry mix No. 1
Show all 33 synonyms
  • DN (pesticide)
  • Dn Dry Mix No. 1
  • Dn Dust No. 12
  • Dinitro-o-cyclohexylphenol
  • 6-Cyclohexyl-2,4-dinitrophenol
  • DN 1
  • 4,6-Dinitro-o-cyclohexylphenol
  • ENT 157

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
Crystalline solidexp.
Melting point
106.5 to 107.5exp.
Solubility
SOL IN WATER, ALCOHOL, CRYSTALS SOL IN WATER, ALCOHOL.exp.

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
266.25 g/molcalc.
Exact mass
266.0903 Dacalc.
LogP (octanol/water)
3.26calc.
Topological polar surface area
106.5 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
3calc.
Heavy atoms
19calc.
Rings
2calc.
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, c1ccc(C2CCCCC2)cc1

c1ccc(C2CCCCC2)cc1

2 rings, 12 atoms, the Cyclohexylbenzene ring system.

4,255 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

  • H301Toxic if swallowed.
  • H311Toxic in contact with skin.
  • H331Toxic if inhaled.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (18)
  • P261Avoid breathing 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.
  • 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.
  • 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.
UN number
UN 2779

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

Dinex suppliers

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Dinex 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

Insecticide, especially in control of citrus red mite.

Molluscide.

How it is made

Prepd from phenol, sulfuric acid, & cyclohexene or cyclohexanol: British patent 620,026 (1949 to Pest Control), from o-cyclohexylphenol by nitration in chloroform.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 609-028-00-3

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2908.99Indicative HS code

Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or…

World exports in 2024
$77.7M
+4.6% vs 2023, imports $83.7M
2019 to 2024
Top exporters
  1. China32.2%
  2. India * partner reported22.2%
  3. Spain8.5%
Top importers
  1. United States13.9%
  2. Spain10.6%
  3. Turkey8.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Dinex?

Dinex is a ring assembly and an alkylbenzene.

What is the CAS number of Dinex?

The CAS registry number of Dinex is 131-89-5. Other or deprecated CAS numbers: 317-83-9.

What is the molecular formula and weight of Dinex?

The molecular formula of Dinex is C12H14N2O5 and its molar mass is 266.25 g/mol.

What is Dinex used for?

Insecticide, especially in control of citrus red mite. Molluscide.

Is Dinex hazardous?

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

What is the HS code of Dinex?

Dinex is usually classified under HS code 290899 (Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dinex?

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

What is the price of Dinex?

Suppliers quote Dinex 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 Dinex

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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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