4-Chlorophenoxyacetic acid (4-CPA) CAS NO.122-88-3

122-88-3

4-Chlorophenoxyacetic acid

 

product Name 4-Chlorophenoxyacetic acid

Synonyms 4-CPA; 4-Chloro-Phenyl-Acetic Acid; p-Chlorophenoxyacetic acid; (1R,3aS,3bR,7aR,8aS,8bS,8cS,10aS)-1-acetyl-5-chloro-8b,10a-dimethyl-7-oxo-1,2,3,3a,3b,7,7a,8,8a,8b,8c,9,10,10a-tetradecahydrocyclopenta[a]cyclopropa[g]phenanthren-1-yl acetate; (4-chlorophenoxy)acetate; 4-Chlorophenoxyacetic acid(4-CPA)

Molecular Formula C8H6ClO3

Molecular Weight 185.585

InChI InChI=1/C8H7ClO3/c9-6-1-3-7(4-2-6)12-5-8(10)11/h1-4H,5H2,(H,10,11)/p-1

CAS Registry Number 122-88-3

EINECS 204-581-3

Molecular Structure 122-88-3 4-Chlorophenoxyacetic acid

Melting point 157-159℃

Boiling point 315.2°C at 760 mmHg

Flash point 144.4°C

Vapour Pressur 0.000188mmHg at 25°C

Hazard Symbols Xn:Harmful;

Risk Codes R22:;

4-Chlorophenoxyacetic acid （4-CPA）

Product name: 4-Chlorophenoxyacetic acid （4-CPA）

CAS No.: 122-88-3

Content: 98%

Chemical name: 4-Chlorophenoxyacetic acid

 

Appearance: White powder

 

Other:

Melting point: 155-159℃

Loss on drying: <1.0%

Reside on ignition: <0.1%

Toxicity: The acute oral LD50 of rats is 2200 mg/kg. The acute percutaneous LD50 is >2200 mg/kg. Irritating to eyes and skin. Fish poison LC50: 3-6ppm for squid, 2.5ppm for loach (48 hours), and >40ppm for leeches.

 

Uses: p-chlorophenoxyacetic acid is an auxin-active phenoxy plant growth regulator that is absorbed by the roots, stems, leaves, flowers and fruits of plants. It is mainly used to prevent falling flowers and fruits, inhibit the rooting of beans, promote fruit set, induce fruitless fruits, and have ripening and increasing yield. Can also be used for fruit thinning of pear trees. If p-chlorophenoxyacetic acid is mixed with 0.1% potassium dihydrogen phosphate, the effect is better. Herbicidal effect at high doses.