2-氯苯氧基乙酸

Description

2-Chlorophenoxyacetic Acid · CAS 614-61-9 · C8H7ClO3. UNII X2512M5L7Q. Melting Point: 148.5 °C; Solubility: In water, 1,280 mg/L at 25 °C; Vapor Pressure: 0.000318 [mmHg].

Identification

CAS Registry Number	614-61-9
PubChem CID	11969
Molecular formula	C8H7ClO3
IUPAC name	2-(2-chlorophenoxy)acetic acid
UNII (FDA)	X2512M5L7Q

Computed Descriptors

Molecular Weight	186.59
XLogP3	1.9
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	3
Exact Mass	186.0083718
Monoisotopic Mass	186.0083718
Topological Polar Surface Area	46.5
Heavy Atom Count	12
Formal Charge	0

Physical & Chemical Properties

Melting Point	148.5 °C
Solubility	In water, 1,280 mg/L at 25 °C
Vapor Pressure	0.000318 [mmHg]
LogP	log Kow = 1.86
LogP	2.02
Dissociation Constants	pKa = 3.05

Physical description & handling notes

• Solid; [HSDB] White powder; [MSDSonline]
• Needles from water or alc

GHS Hazard Classification

Reported hazard statements	H302 (100%), H315 (100%), H319 (100%), H335 (97.8%)

Documented Uses

• Used as a chemical reagent; May occur as a minor contaminant of the herbicide 4-chloro-2-methylphenoxy acetic acid (MCPA); [HSDB]
• REAGENT GRADE O-CHLOROPHENOXYACETIC ACID CONTAINED 1.0% OF 2,4-D AS IMPURITY AS WELL AS TRACES OF 2,4-DICHLOROPHENOLS. IT WAS SUGGESTED THAT THE BIOLOGICAL ACTIVITIES MAY HAVE BEEN A RESULT OF THE IMPURITIES PRESENT IN THE ACID.
• /2-chlorophenoxyacetic acid is/ a minor impurity in technical 4-chloro-2-methylphenoxy acetic acid (MCPA), an herbicide
• YIELDS 2-CHLORO-4-HYDROXYPHENOXYACETIC ACID IN AVENA. ; YIELDS O-CHLOROPHENOL IN ARTHROBACTER.. /FROM TABLE/
• FOLLOWING ADMIN OF N-CYCLOPROPYL-2-(2-CHLOROPHENOXY ETHYLAMINE-HCL (200 MG, ORALLY) TO HUMANS, 2-CHLOROPHENOXYACETIC ACID WAS IDENTIFIED IN THE URINE.

Synonyms

2-CHLOROPHENOXYACETIC ACID; 614-61-9; (2-Chlorophenoxy)acetic acid; o-Chlorophenoxyacetic acid; Acetic acid, (2-chlorophenoxy)-; Acetic acid, (o-chlorophenoxy)-; Acide o-chlorophenoxyacetique; Acetic acid, o-chlorophenoxy-; HSDB 3942; NSC 8454; EINECS 210-388-5; Acide o-chlorophenoxyacetique [French]; BRN 1103151; Acetic acid, o-(chlorophenoxy)-; AI3-16647; X2512M5L7Q

Frequently Asked Questions

What are the CAS number and molecular formula of 2-Chlorophenoxyacetic Acid?

CAS 614-61-9; molecular formula C8H7ClO3; molecular weight — g/mol.

What other names is 2-Chlorophenoxyacetic Acid known by?

2-CHLOROPHENOXYACETIC ACID, 614-61-9, (2-Chlorophenoxy)acetic acid, o-Chlorophenoxyacetic acid, Acetic acid, (2-chlorophenoxy)-, Acetic acid, (o-chlorophenoxy)-.

Is 2-Chlorophenoxyacetic Acid classified as hazardous?

Hazard statements reported: H302, H315, H319, H335.

What are the key physical properties of 2-Chlorophenoxyacetic Acid?

Melting Point: 148.5 °C; Solubility: In water, 1,280 mg/L at 25 °C; Vapor Pressure: 0.000318 [mmHg]; LogP: log Kow = 1.86.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.