2-(4-chloro-2-methylphenoxy)propanoic acid

C10H11ClO3

CAS7085-19-0
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
GHS05 Gefahrensymbol: Ätzend – Ätzwirkung
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

Consulting for 2-(4-chloro-2-methylphenoxy)propanoic acid

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Identification

CAS Number
7085-19-0
EC Number
202-264-4
UN Number
2588
Index Number
607-049-00-2
PubChem CID
7153

Physical-chemical properties

Molecular Formula
C10H11ClO3
Molar Mass
214.64 g/mol
IUPAC Name
2-(4-chloro-2-methylphenoxy)propanoic acid

Chemical Identifiers

InChI
InChI=1S/C10H11ClO3/c1-6-5-8(11)3-4-9(6)14-7(2)10(12)13/h3-5,7H,1-2H3,(H,12,13)
InChI Key
WNTGYJSOUMFZEP-UHFFFAOYSA-N

Overview

2-(4-chloro-2-methylphenoxy)propanoic acid (CAS 7085-19-0) is a chlorinated phenoxypropionic acid derivative with selective herbicidal properties and significant environmental persistence. This synthetic organic compound belongs to the phenoxypropanoic acid family of herbicides, characterized by its molecular formula C10H11ClO3 and molecular weight of 214.64 g/mol. The substance features a chlorinated aromatic ring system linked to a propionic acid moiety through an ether bridge, giving it distinctive phytotoxic properties. Its structural similarity to 2-(4-chloro-2-methylphenoxy)acetic acid places it within the broader category of chlorophenoxy herbicides that have been extensively used in agricultural applications. The compound presents significant safety considerations, classified under multiple hazard categories including acute toxicity (Category 4), skin irritation, and serious eye damage. Its environmental impact profile is particularly notable, with classifications for both acute and chronic aquatic toxicity, reflecting its persistence and potential bioaccumulation in aquatic ecosystems. The substance requires careful handling protocols and appropriate personal protective equipment during industrial processing and application. Primary industrial applications include selective herbicide formulations for broadleaf weed control in cereal crops and turf management systems. The compound's systemic action mechanism makes it effective against perennial weeds, while its selectivity profile allows for safe use around certain crop species. Additionally, it serves as an intermediate in the synthesis of other phenoxypropanoic herbicide derivatives. OYSI maintains reliable supply chains for 2-(4-chloro-2-methylphenoxy)propanoic acid, supporting European customers with consistent product quality and comprehensive technical documentation for regulatory compliance requirements.

Safety & Classification

Danger
Classification:

Acute Tox. 4 *; Skin Irrit. 2; Eye Dam. 1; Aquatic Acute 1; Aquatic Chronic 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H302

Harmful if swallowed.

H315

Causes skin irritation.

H318

Causes serious eye damage.

H400

Very toxic to aquatic life.

H410

Very 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

Skin Contact

Irritant

Measures if substance contacts the skin

First Aid Actions

  • +P302IF ON SKIN:
  • +P352Wash with plenty of water.
  • +P361Take off immediately all contaminated clothing.
  • +P313Get medical advice/attention.

Related hazard statements:

Eye Contact

Harmful

Measures if substance gets into the eyes

First Aid Actions

  • +P305IF IN EYES:
  • +P351Rinse cautiously with water for several minutes.
  • +P338Remove contact lenses, if present and easy to do. Continue rinsing.
  • +P313Get medical advice/attention.

Related hazard statements:

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 Number2588
ADR Class6.1
Packing GroupIII
Tunnel CodeE
Proper Shipping NameMecoprop (ISO)
Marine PollutantNo

Frequently Asked Questions

What is 2-(4-chloro-2-methylphenoxy)propanoic acid?

2-(4-chloro-2-methylphenoxy)propanoic acid is an organic compound with the molecular formula C10H11ClO3 and CAS number 7085-19-0. This chlorinated phenoxyalkanoic acid derivative has a molecular weight of 214.64 g/mol and belongs to the family of substituted phenoxy compounds. It is classified as a hazardous substance with multiple danger classifications including acute toxicity, skin irritation, serious eye damage, and aquatic toxicity.

What are the physicochemical properties of 2-(4-chloro-2-methylphenoxy)propanoic acid?

2-(4-chloro-2-methylphenoxy)propanoic acid is a solid organic compound at room temperature with a molecular weight of 214.64 g/mol. As a carboxylic acid derivative containing chlorine and methyl substituents on the phenoxy ring, it exhibits typical properties of phenoxyalkanoic acids. The presence of the carboxylic acid group provides acidic properties, while the aromatic ring system contributes to its chemical stability and specific reactivity patterns.

What is 2-(4-chloro-2-methylphenoxy)propanoic acid used for?

2-(4-chloro-2-methylphenoxy)propanoic acid is primarily used as an intermediate in chemical synthesis and pharmaceutical applications. Its phenoxyalkanoic acid structure makes it valuable for developing various organic compounds, particularly in the synthesis of active pharmaceutical ingredients and agrochemical products. The compound serves as a building block in organic chemistry due to its reactive carboxylic acid group and substituted aromatic ring system.

How to handle 2-(4-chloro-2-methylphenoxy)propanoic acid safely?

Safe handling of 2-(4-chloro-2-methylphenoxy)propanoic acid requires appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing due to its skin irritant and eye damage properties. Work in well-ventilated areas or under fume hoods to minimize inhalation exposure. Avoid direct contact with skin and eyes, and ensure emergency eyewash stations are readily accessible. Follow proper hygiene practices and wash hands thoroughly after handling.

How to store 2-(4-chloro-2-methylphenoxy)propanoic acid correctly?

2-(4-chloro-2-methylphenoxy)propanoic acid should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from incompatible materials. Keep containers away from heat sources, direct sunlight, and moisture to prevent degradation. Store separately from strong bases, oxidizing agents, and reactive metals due to its acidic nature. Ensure proper labeling with hazard information and maintain controlled access to storage areas.

What to do in case of contact with 2-(4-chloro-2-methylphenoxy)propanoic acid?

Immediate first aid measures for 2-(4-chloro-2-methylphenoxy)propanoic acid contact include: for eye contact, rinse immediately with plenty of water for at least 15 minutes and seek medical attention due to serious eye damage potential. For skin contact, wash thoroughly with soap and water and remove contaminated clothing. If inhaled, move to fresh air immediately. If swallowed, rinse mouth and seek medical advice. Always consult a physician for any exposure.

How to dispose of 2-(4-chloro-2-methylphenoxy)propanoic acid appropriately?

2-(4-chloro-2-methylphenoxy)propanoic acid disposal must comply with local and national hazardous waste regulations due to its toxicity and environmental hazard classification. The substance cannot be disposed of in regular waste streams and requires treatment by licensed hazardous waste disposal companies. Consider recovery or recycling options where possible. Contaminated packaging should also be treated as hazardous waste and disposed of through appropriate channels.

How to transport 2-(4-chloro-2-methylphenoxy)propanoic acid?

2-(4-chloro-2-methylphenoxy)propanoic acid is classified under ADR Class 6.1 (toxic substances), Packing Group III for transportation purposes. This classification requires specific packaging, labeling, and documentation for road transport. Packages must display appropriate hazard labels and UN identification numbers. Transport vehicles need proper placarding, and drivers require ADR certification. Ensure compliance with international dangerous goods regulations for air and sea transport.

Is 2-(4-chloro-2-methylphenoxy)propanoic acid subject to specific regulations?

2-(4-chloro-2-methylphenoxy)propanoic acid is subject to European REACH regulation requiring registration for manufacture or import above certain tonnages. The substance falls under CLP regulation for classification, labeling, and packaging requirements, displaying GHS pictograms GHS05, GHS07, and GHS09. It is not currently listed as a Substance of Very High Concern (SVHC). Users must comply with occupational health and safety regulations and environmental protection requirements.

Where to buy 2-(4-chloro-2-methylphenoxy)propanoic acid in Europe?

2-(4-chloro-2-methylphenoxy)propanoic acid is available through OYSI, a specialized European distributor of technical chemicals serving various industries across Europe. OYSI provides high-quality chemical products with proper documentation, safety data sheets, and regulatory compliance support. As experienced chemical distributors, OYSI ensures reliable supply chains and technical support for customers requiring this specialized organic compound for their industrial and research applications.

Data Sources

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