2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate

C11H9Cl5O3

CAS136-25-4
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
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Identification

CAS Number
136-25-4
UN Number
3077
Index Number
607-077-00-5
PubChem CID
8686

Physical-chemical properties

Molecular Formula
C11H9Cl5O3
Molar Mass
366.40 g/mol
IUPAC Name
2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate

Chemical Identifiers

InChI
InChI=1S/C11H9Cl5O3/c1-11(15,16)10(17)19-3-2-18-9-5-7(13)6(12)4-8(9)14/h4-5H,2-3H2,1H3
InChI Key
KMHZPJNVPCAUMN-UHFFFAOYSA-N

Overview

2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate (CAS 136-25-4) is a highly chlorinated organic compound with pesticidal properties and significant environmental persistence. This polychlorinated chemical compound belongs to the family of chlorinated phenoxyacetic acid derivatives, characterized by its complex molecular structure containing five chlorine atoms distributed across both the phenoxy and propanoate moieties. With a molecular formula of C11H9Cl5O3 and molecular weight of 366.4 g/mol, this substance exhibits the typical properties associated with heavily halogenated organic compounds, including enhanced stability and lipophilic characteristics. The compound's safety profile requires careful handling due to its classification as Acute Tox. 4 and Aquatic Chronic 2 under the GHS system. The Warning signal word and associated GHS07 and GHS09 pictograms indicate both acute toxicity concerns and environmental hazards, particularly regarding aquatic ecosystems. Its ADR Class 9 classification designates it as a miscellaneous dangerous substance for transportation purposes, reflecting its potential environmental impact and the need for specialized handling protocols. Industrial applications typically center around specialized pesticide formulations and agricultural chemical synthesis, where its chlorinated structure provides enhanced biological activity and persistence. The compound may also find use in research applications studying chlorinated organic compounds and their environmental fate, similar to how other complex organic molecules like diethyl 2-[(4-ethoxyanilino)methylidene]propanedioate are utilized in specialized chemical research. Given its environmental persistence and aquatic toxicity classification, applications require strict regulatory compliance and environmental monitoring. OYSI maintains availability of this specialized chemical compound for qualified industrial and research applications, ensuring proper documentation and regulatory adherence for all distributions.

Safety & Classification

Warning
Classification:

Acute Tox. 4 *; Aquatic Chronic 2

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H302

Harmful if swallowed.

H411

Toxic to aquatic life with long lasting effects.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Ingestion

Harmful

Measures if substance is accidentally swallowed

First Aid Actions

  • +P301IF SWALLOWED:
  • +P330Rinse mouth.
  • +P331Do NOT induce vomiting.
  • +P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number3077
ADR Class9
Packing GroupIII
Tunnel Code-
Proper Shipping NameErbon
Marine PollutantNo

Frequently Asked Questions

What is 2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate?

2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate is a chlorinated organic compound with the molecular formula C11H9Cl5O3 and CAS number 136-25-4. This synthetic chemical has a molecular weight of 366.4 g/mol and belongs to the phenoxyacetic acid derivative family. It is classified as a hazardous substance with acute toxicity and aquatic chronic toxicity properties, requiring careful handling and environmental protection measures.

What are the physicochemical properties of 2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate?

2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate is a chlorinated ester compound with significant molecular complexity due to its five chlorine atoms. The substance typically appears as a solid or viscous liquid at room temperature. Its high chlorine content contributes to its stability and lipophilic nature. The compound's specific physical properties such as melting point, boiling point, and solubility characteristics should be verified through technical data sheets for precise handling requirements.

What is 2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate used for?

2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate is primarily used as a chemical intermediate in organic synthesis and pharmaceutical research. Its chlorinated structure makes it valuable for developing specialized compounds in the agrochemical and pharmaceutical industries. The substance may also serve as a research chemical for academic and industrial laboratories studying phenoxy compounds and their derivatives. Specific applications depend on the end-user's requirements and regulatory compliance.

How to handle 2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate safely?

Safe handling of 2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate requires appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work in well-ventilated areas or under fume hoods to minimize inhalation exposure. The substance carries Acute Tox. 4 classification, requiring careful handling to avoid skin contact and ingestion. Always follow GHS07 pictogram guidelines and maintain good hygiene practices when working with this material.

How to store 2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate correctly?

2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate should be stored in tightly sealed containers in a cool, dry, and well-ventilated area away from heat sources and incompatible materials. Keep containers upright and clearly labeled according to GHS requirements. Due to its Aquatic Chronic 2 classification, prevent environmental release and store away from water sources. Maintain storage temperatures according to supplier specifications and ensure proper segregation from other chemicals to prevent reactions.

What to do in case of contact with 2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate?

In case of skin contact with 2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. For eye contact, flush immediately with clean water for 15 minutes and seek medical attention. If ingested, do not induce vomiting and seek immediate medical help. For inhalation, move to fresh air immediately. Always consult the safety data sheet for specific first aid measures.

How to dispose of 2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate appropriately?

Disposal of 2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate must be conducted through licensed hazardous waste disposal facilities in accordance with local and EU regulations. The substance cannot be disposed of in regular waste streams due to its toxicity and environmental impact classification. Contact certified waste management companies for proper collection and treatment. Maintain disposal records for regulatory compliance and ensure containers are properly labeled during the disposal process.

How to transport 2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate?

Transportation of 2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate falls under ADR Class 9 (Miscellaneous dangerous goods), Packing Group III. This classification requires specific packaging, labeling, and documentation according to international transport regulations. Vehicles must carry appropriate emergency equipment and drivers need ADR certification for hazardous goods transport. Proper shipping papers, emergency response information, and appropriate packaging specifications must be followed to ensure safe transport across European borders.

Is 2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate subject to special regulations?

2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate is subject to REACH regulation for chemical registration, evaluation, and authorization in the EU. The substance follows CLP classification with GHS07 and GHS09 pictogram requirements. While not currently listed as a Substance of Very High Concern (SVHC), it requires proper safety data sheet provision and hazard communication. Users must comply with occupational exposure limits and environmental protection measures according to national and EU chemical safety legislation.

Where to buy 2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate in Europe?

2-(2,4,5-trichlorophenoxy)ethyl 2,2-dichloropropanoate is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this substance to industrial customers, research institutions, and qualified laboratories across Europe. The company ensures proper documentation, safety data sheets, and regulatory compliance for all shipments. Contact OYSI directly for availability, technical specifications, and ordering information. All purchases require appropriate end-use declarations and compliance with chemical safety regulations.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.