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Insecticides and acaricides

Naled

Also known as Dibrom, Bromchlophos, Bromex

CAS 300-76-5Formula C4H7Br2Cl2O4PMolar mass 380.78 g/molEC 206-098-3
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 3 suppliers listed
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Naled chemical structure, C4H7Br2Cl2O4P, CAS 300-76-5
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Pure compound is a solid, technical compound is moderately volatile
Melting point
27 °C
Boiling point
200 °C
Density
Relative density (water = 1): 1.96 (25 °C)
Solubility
In water, 1.5 mg/L, temp not specified
HS code
291990
Category
Insecticides and acaricides
UN number
UN 3018
Illustrative photo, 25 kg white woven sacks of powder on a pallet in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Naled?

Plain description, key identifiers and synonyms

Naled is an dialkyl phosphate resulting from the formal condensation of the acidic hydroxy group of dimethyl hydrogen phosphate with the alcoholic hydroxy group of 1,2-dibromo-2,2-dichloroethanol. An organophosphate insecticide, it is no longer approved for use within the European Union. It has a role as an acaricide, an antibacterial agent, an agrochemical, an antifungal agent, an EC 3.1.1.8 (cholinesterase) inhibitor and an EC 3.1.1.7 (acetylcholinesterase) inhibitor. It is a dialkyl phosphate, an organophosphate insecticide, an organochlorine compound and an organobromine compound.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1,2-dibromo-2,2-dichloroethyl) dimethyl phosphate
CAS number
300-76-5 CAS number cross-checked
EC number
206-098-3
Molecular formula
C4H7Br2Cl2O4P
UNII
PAM1AI9KU1
MDL number
MFCD00053227
InChIKey
BUYMVQAILCEWRR-UHFFFAOYSA-N
InChI
InChI=1S/C4H7Br2Cl2O4P/c1-10-13(9,11-2)12-3(5)4(6,7)8/h3H,1-2H3
SMILES (canonical and isomeric)
COP(=O)(OC)OC(C(Cl)(Cl)Br)Br

Synonyms

  • Dibrom
  • Bromchlophos
  • Bromex
  • Dibromfos
  • Fosbrom
  • Alvora
  • Flibol Ex
  • Orthodibromo
  • Arthodibrom
  • Hibrom
  • Bromex 50
  • Bromex (insecticide)
  • 1,2-Dibromo-2,2-dichloroethyl dimethyl phosphate
  • Naledu
  • ENT 24988
  • Ortho 4355
  • Phosphoric acid, 1,2-dibromo-2,2-dichloroethyl dimethyl ester
  • OMS 75
  • Dimethyl 1,2-dibromo-2,2-dichloroethyl phosphate
  • Ethanol, 1,2-dibromo-2,2-dichloro-, dimethyl phosphate
  • O,O-Dimethyl O-2,2-dichloro-1,2-dibromoethyl phosphate
  • O,O-Dimethyl-O-(1,2-dibromo-2,2-dichloroethyl)phosphate
  • O-(1,2-Dibromo-2,2-dicloro-etil)-O,O-dimetil-fosfato
  • O,O-Dimethyl-O-(1,2-dibrom-2,2-dichlor-aethyl)-phosphat
  • O-(1,2-Dibrom-2,2-dichlor-aethyl)-O,O-dimethyl-phosphat
Show all 37 synonyms
  • o-(1,2-Dibromo-2,2-dichloroethyl)-o,o-dimethyl phosphate
  • O-(1,2-Dibroom-2,2-dichloor-ethyl)-O,O-dimethyl-fosfaat
  • Fosforan O-1,2-dwubromo-2,2-dwuchloroetylo-O,O-dwumetylowy
  • Phosphate de O,O-dimethyle et de O-(1,2-dibromo-2,2-dichlorethyle)
  • Orthodibrom
  • Ortho-Dibrom
  • (1,2-Dibromo-2,2-dichloroethyl) dimethyl phosphate
  • (+/-)-Naled
  • BRP
  • Dimethyl-1,2-dibromo-2,2-dichloroethyl phosphate
  • Nikabrom
  • C4H7Br2Cl2O4P

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
Pure compound is a solid, technical compound is moderately volatileexp.
Odour
Slightly pungent odorexp.
Melting point
27 °Cexp.
Boiling point
200 °Cexp.
Density
Relative density (water = 1): 1.96 (25 °C)exp.
Solubility
In water, 1.5 mg/L, temp not specifiedexp.
Vapour pressure
2.0 × 10⁻⁴ mm Hg at 20 °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
380.78 g/molcalc.
Exact mass
377.7826 Dacalc.
LogP (octanol/water)
3.65calc.
Topological polar surface area
44.76 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
5calc.
Heavy atoms
13calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H400Very toxic to aquatic life.
Precautionary statements (16)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • 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.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 3018
Transport hazard class
6.1
Packing group
III

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

Naled suppliers

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All 3 suppliers

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Where suppliers are based

3 suppliers in 2 countries

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Naled 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, acaracide.

/Used/ for numerous crops. For flies in barns and in and around food processing plants. Liquids can be applied to hot plates in greenhouse to kill insects by vapor action. For municipal and other large area mosquito control by ultra low volume or conventional application methods.

Used in cooling tower, paper and pulp mill systems, hide and leather processing and disinfection.

Veterinary medication:.

Use classes: Insecticides.

Pharmacological actions

  • Acaricides
  • Cholinesterase Inhibitors
  • Insecticides

Roles

  • acaricide
  • agrochemical
  • antibacterial agent
  • antifungal agent
  • antimicrobial agent
  • enzyme inhibitor
  • pesticide

Functional uses

  • Biocide

How it is made

Naled is produced by the addition of chloral to trimethyl phosphite, followed by bromination of the product thus obtained in the presence of peroxide or light, or, alternatively, by bromination of O,O-dimethyl O-(2,2-dichlorovinyl phosphate).

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 015-055-00-6

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2919.90Indicative HS code

Phosphoric, and their salts, including lactophosphates, their halogenated, sulphonated, nitrated…

World exports in 2024
$940M
−0.7% vs 2023, imports $863M
2019 to 2024
Top exporters
  1. China55.6%
  2. Germany10.6%
  3. Italy6.2%
Top importers
  1. United States15.8%
  2. South Korea10.1%
  3. Germany6.4%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Naled?

Naled is an dialkyl phosphate resulting from the formal condensation of the acidic hydroxy group of dimethyl hydrogen phosphate with the alcoholic hydroxy group of 1,2-dibromo-2,2-dichloroethanol. An organophosphate insecticide, it is no longer approved for use within the European Union.

What is the CAS number of Naled?

The CAS registry number of Naled is 300-76-5.

What is the molecular formula and weight of Naled?

The molecular formula of Naled is C4H7Br2Cl2O4P and its molar mass is 380.78 g/mol.

What is Naled used for?

Insecticide, acaracide. /Used/ for numerous crops. For flies in barns and in and around food processing plants. Liquids can be applied to hot plates in greenhouse to kill insects by vapor action. For municipal and other large area mosquito control by ultra low volume or conventional application methods.

Is Naled hazardous?

Naled carries the GHS signal word "Warning". Main hazards: harmful if swallowed, harmful in contact with skin, causes skin irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Naled?

Naled is usually classified under HS code 291990 (Phosphoric esters and their salts, including lactophosphates, their halogenated…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Naled?

CompoundList lists 3 suppliers of Naled in United States and India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Naled in India?

1 supplier in India list Naled on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Naled?

Suppliers quote Naled 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 Naled

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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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