Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

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Substance profile

Ethyl 2-[4-[(6-chlorobenzoxazol-2-yl)oxy]phenoxy]propionate

Ethyl 2-[4-[(6-chlorobenzoxazol-2-yl)oxy]phenoxy]propionate is a colorless solid.

CAS 66441-23-4 C18H16ClNO5 361.8 g/mol Warning

01 · Identification

What Ethyl 2-[4-[(6-chlorobenzoxazo… is

Ethyl 2-[4-[(6-chlorobenzoxazol-2-yl)oxy]phenoxy]propionate is a colorless solid. Its molecular formula is C18H16ClNO5 and its molecular weight is 361.8 g/mol. It melts at 84.5 °C.

Under the GHS it carries the signal word Warning.

CAS number66441-23-4
EC number266-362-9
Index number604-039-00-X
Molecular formulaC18H16ClNO5
Molecular weight361.8 g/mol

Other names for Ethyl 2-[4-[(6-chlorobenzoxazo…

  • fenoxaprop-ethyl

02 · GHS classification

Hazards and label elements

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Signal wordWarning
Hazard statements assigned to Ethyl 2-[4-[(6-chlorobenzoxazo…
CodeHazard statement
H317 May cause an allergic skin reaction.
H400 Very toxic to aquatic life.
H410 Very toxic to aquatic life with long lasting effects.

Precautionary statements: P261, P272, P273, P280, P313, P333, P391, P501

03 · Physical and chemical properties

Ethyl 2-[4-[(6-chlorobenzoxazo… properties

Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.

Property Value Conditions Source
Boiling point 200 °C (392 °F) at 0.750062 mmHg (reduced pressure) HSDB
Melting point 84.5 °C (184.1 °F) range, midpoint shown HSDB
Vapor pressure 1.425e-8 mmHg at 20 °C HSDB
1e-8 mmHg Haz-Map

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

04 · Source notes

Further notes on Ethyl 2-[4-[(6-chlorobenzoxazo…

These are descriptions rather than measured values, so they are kept out of the table above and quoted here with the source that reported them.

Solubility

Solubility @ 20 °C: >0.5% in hexane; >1% in cyclohexane, ethanol, 1-octanol; >20%in ethyl acetate; >30% in toluene; >50% in acetone; solubility in water @ 25 °C: 0.9 mg/l

Source: HSDB

05 · Handling and storage

Storing and handling Ethyl 2-[4-[(6-chlorobenzoxazo…

Storage conditions

Do not store above 100 °F or below 10 °F. Do not store or use near open flame. Store where contamination of fertilizer, seed, or feedstuffs will not occur. Do not contaminate water, food or feed by storage.

Source: Hazardous Substances Data Bank (HSDB)

Planning storage for a mix of chemicals? Check Ethyl 2-[4-[(6-chlorobenz… in the storage compatibility matrix →

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