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Aromatic building blocks

Tridiphane

Also known as Nelpon, Dowco 356, 2-(3,5-Dichlorophenyl)-2-(2,2,2-trichloroethyl)oxirane

CAS 58138-08-2Formula C10H7Cl5OMolar mass 320.43 g/molEC 856-626-7
GHS signal word: Warning. Pictograms: Harmful or irritant, Serious health hazard, Hazardous to the environment
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Tridiphane chemical structure, C10H7Cl5O, CAS 58138-08-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
58138-08-2
Formula
C10H7Cl5O
Molar mass
320.43 g/mol
EC number
856-626-7
HS code
291090
Category
Aromatic building blocks

What is Tridiphane?

Plain description, key identifiers and synonyms

Tridiphane is a dichlorobenzene.

Tridiphane is an atrazine synergist.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(3,5-dichlorophenyl)-2-(2,2,2-trichloroethyl)oxirane
CAS number
58138-08-2 CAS number cross-checked
EC number
856-626-7
Molecular formula
C10H7Cl5O
UNII
Z5677LQE6J
InChIKey
IBZHOAONZVJLOB-UHFFFAOYSA-N
InChI
InChI=1S/C10H7Cl5O/c11-7-1-6(2-8(12)3-7)9(5-16-9)4-10(13,14)15/h1-3H,4-5H2
SMILES (canonical and isomeric)
C1C(O1)(CC(Cl)(Cl)Cl)C2=CC(=CC(=C2)Cl)Cl

Synonyms

  • Nelpon
  • Dowco 356
  • 2-(3,5-Dichlorophenyl)-2-(2,2,2-trichloroethyl)oxirane
  • Oxirane, 2-(3,5-dichlorophenyl)-2-(2,2,2-trichloroethyl)-
  • (RS)-2-(3,5-Dichlorophenyl)-2-(2,2,2-trichloroethyl)oxirane
  • (.+/-.)-2-(3,5-Dichlorophenyl)-2-(2,2,2-trichloroethyl)oxirane
  • Tridiphane 10 |Ig/mL in Isooctane
  • Tridiphane 10 microg/mL in Isooctane
  • 2-(3,5-Dichlorophenyl)-2-(2,2,2-trichloroethyl)oxirane #
  • Oxirane, 2-(3,5-dichlorophenyl)-2-(2,2,2-trichloroethyl)-, Dowco 356, Nelpon, Tridiphane

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
320.43 g/molcalc.
Exact mass
317.894 Dacalc.
LogP (octanol/water)
4.98calc.
Topological polar surface area
12.53 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
16calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.4calc.
Formal charge
0calc.
Stereocentres
1calc.
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(C2CO2)cc1

c1ccc(C2CO2)cc1

2 rings, 9 atoms, the Styrene oxide ring system.

2,056 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
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (7)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • P391Collect spillage.
  • 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

Tridiphane suppliers

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Tridiphane 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

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 Tridiphane is traded under.

HS 2910.90Indicative HS code

Epoxides with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives…

World exports in 2024
$467M
−2.9% vs 2023, imports $501M
2019 to 2024
Top exporters
  1. Netherlands24.5%
  2. China19.7%
  3. Japan18.8%
Top importers
  1. United States17.6%
  2. Germany16.3%
  3. China10.8%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Tridiphane?

Tridiphane is a dichlorobenzene.

What is the CAS number of Tridiphane?

The CAS registry number of Tridiphane is 58138-08-2.

What is the molecular formula and weight of Tridiphane?

The molecular formula of Tridiphane is C10H7Cl5O and its molar mass is 320.43 g/mol.

What is Tridiphane used for?

Known uses and roles of Tridiphane include building blocks in research and laboratory.

Is Tridiphane hazardous?

Tridiphane carries the GHS signal word "Warning". Main hazards: harmful if swallowed, very toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Tridiphane?

Tridiphane is usually classified under HS code 291090 (Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Tridiphane?

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What is the price of Tridiphane?

Suppliers quote Tridiphane 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 Tridiphane

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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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