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EINECS 204-581-3 Auxin Growth Hormone 99%TC 4-Chlorophenoxyacetic Acid ( 4-CPA )

China U-CHOICE GROUP certification
China U-CHOICE GROUP certification
Yeah, cooperated with U-CHOICE since 2013, CAC gave us a good chance met each other. and then began happy and friendly work together. Good Quality.


I used U-CHOICE 28 homo-brassinolide since 2006. Their Worker all are work hard and kind. now each year we have a lot of cooperation.

—— Mr. Dhiraputra

Recommedation is good. Reception is professional. Field training is also very great. Wish more training after getting the goods.

—— Mr. Ariestanto

U-CHOICE and my company has cooperated for more than 6 years. Good quality, Timely delivery, Good service. She is one of our top-supplier.

—— Mr. Natcha

I am a technology person, I inspect each batch import goods. U-CHOICE's goods can 100% pass my strict requirement. So I recommed U-CHOICE to you.

—— Mr. Wahwa

Thanks for super good, help us to dissolve the fieil born disease problem, which is a big problem in my area.

—— Ms. Puttirat

Professional, very helpful, great price. Will use again for other items A++++++

—— Mr. Gonzalez

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EINECS 204-581-3 Auxin Growth Hormone 99%TC 4-Chlorophenoxyacetic Acid ( 4-CPA )


Large Image :  EINECS 204-581-3 Auxin Growth Hormone 99%TC 4-Chlorophenoxyacetic Acid ( 4-CPA )

Product Details:
Place of Origin: Henan Province, China
Brand Name: U-CHOICE
Certification: ISO 9001 : 2008
Model Number: Technical Grade
Payment & Shipping Terms:
Minimum Order Quantity: 25kg (samples can be offered)
Price: Negotiate
Packaging Details: 1 kg/bag * 25 kgs/ drum ; 25 kgs / drum
Delivery Time: 3-8 working days
Payment Terms: T/T,
Supply Ability: 2000 kgs per Month
Detailed Product Description
EINECS: 204-581-3 Status: Crystal
Purity: Min 99% M.F: C8H7ClO3
CAS No.: 122-88-3 Molecular Weight: 186.592
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EINECS 204-581-3 Auxin Growth Hormone 99%TC 4-Chlorophenoxyacetic Acid ( 4-CPA )



EINECS 204-581-3 

Physical and chemical characters:

CAS NO. 122-88-3

HS Code 2916399014

Formulation 99%

Chemical Name : 2-(4-Chloro-phenoxy) acetic acid; 4-Chlorophenoxyacetic acid

Appearance: White powder

Empirical Formula: C8H7ClO3

Molecular Weight: 186.59

Melting Point: 156-159°C

Product Name 2-(4-Chloro-phenoxy) acetic acid 4-CPA


EINECS 204-581-3 Toxicity:

Acute oral LD50 for rats 2200mg/Kg; acute dermal LD50 >2200mg/Kg.

Irritating to skin and eyes. LC50 for fish: carp 3-6ppm.


4-Chlorophenoxyacetic Acid ( 4-CPA ) Other Name:

EINECS 204-581-3
Acetic acid, (4-chlorophenoxy)-
Acetic acid, 2-(4-chlorophenoxy)-
4-Chlorophenoxyacetic acid
2-(4-Chlorophenoxy)acetic acid
(4-Chlorophenoxy)acetic acid


Technical Specification   

Technical Item

Technical Data

1.4±0.1 g/cm3

Melting Point

157-159  ºC

Boiling Point

315.2±17.0 ºC at 760 mmHg

Flash Point

144.4±20.9 ºC



Vapor Pressure

0.0±0.7 mmHg at 25℃

Exact Mass


Molecular Weight




Refractive Index





a. 4-Chlorophenoxyacetic acid ( 4-CPA ) also has herbicidal effect at high dosage

b.  4-CPA   is used to prevent abscission of bloom and fruit, inhibit rooting of beans,

promote fruit set, induce formation of seedless fruit, through flower spraying.

c.4-Chlorophenoxyacetic acid ( 4-CPA ) can be used for ripening and fruit thinning.

d. 4-CPA  performs better when used in combination with 0.1% monopotassium phosphate.



1 kg/bag, 25kgs/ paper drum

25kgs / drum

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