Indole-3-Butyric Acid CAS#133-32-4

Potent Plant Hormone‌:Promotes root growth and plant development as an auxin.


Natural Metabolite‌:Derived from biological processes, ensuring plant compatibility.


Chemical Stability‌ :Conjugate acid structure enhances reliability in diverse conditions.


Multi-Functional Auxin‌ :Supports cell elongation and differentiation for robust plant health.

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Product Description

Product Description of Indole-3-Butyric Acid CAS#133-32-4

Indole-3-butyric acid is a carboxylic acid with an indol-3-yl substituent on butanoic acid. It acts as a natural plant auxin and metabolite, and is the conjugate acid of indole-3-butyrate.


Product Application of Indole-3-Butyric Acid CAS#133-32-4

Glycolic acid has broad applications in textile, leather and metal processing. It serves for pH adjustment and as a cost-effective organic acid in adhesive manufacturing. It is also employed in copper brightening, decontamination, dyeing, electroplating, metal pickling, cleaning and chemical milling.

Product Information

Parameters


Melting point

124-125.5 °C(lit.)

Boiling point

341.55°C (rough estimate)

density

1.1255 (rough estimate)

bulk density

360kg/m3

refractive index

1.5440 (estimate)

storage temp.

2-8°C

solubility

DMF: 25 mg/mL; DMSO: 25 mg/mL; Ethanol: 25 mg/mL; PBS (pH 7.2): 0.1 mg/mL

pka

4.83±0.10(Predicted)

form

Liquid

color

Clear colorless to pale yellow

Water Solubility

Soluble in water(0.25g/L).

Sensitive

Air Sensitive

Merck

14,4965

BRN

171120

Stability:

Stable. Incompatible with strong oxidizing agents. Light sensitive.

InChIKey

JTEDVYBZBROSJT-UHFFFAOYSA-N

LogP

2.300

CAS DataBase Reference

133-32-4(CAS DataBase Reference)

EPA Substance Registry System

Indole-3-butyric acid (133-32-4)


Safety Information


Hazard Codes

T,Xi

Risk Statements

25-36/37/38

Safety Statements

26-36-45-38-36/37/39-28A

RIDADR

UN 2811 6.1/PG 3

WGK Germany

3

RTECS

NL5250000

F

8-10-23

Hazard Note

Irritant

TSCA

T

HazardClass

6.1

PackingGroup

III

HS Code

29339990

Hazardous Substances Data

133-32-4(Hazardous Substances Data)

Toxicity

LD50 i.p. in mice: 100 mg/kg (Anderson)


Factory Showcase

拼图_美图设计室-(1)

Quality Control Lab

实验室

Shipping And Transportation

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FAQ

Q1: Is Huafeng Chemical a manufacturer or a trader?
A: We are a professional service provider specializing in chemical foreign trade. Rather than being limited to the products of a single factory, we leverage the chemical industry cluster in Shandong Province to integrate production resources from multiple high-quality manufacturers. This allows us to offer a wide range of sourcing options—covering various product categories and origins—instead of simply pushing a single product. Furthermore, our core competitiveness lies in our professional foreign trade services (covering documentation, logistics, and regulatory compliance), ensuring a smooth and worry-free procurement process for you.


Q2: How is the security of my transaction guaranteed when working with Huafeng Chemical?
A: We strictly adhere to international trade rules (Incoterms® 2020) and accept various payment methods, such as Letters of Credit (L/C) and Telegraphic Transfers (T/T). For new clients, we support small-batch trial orders and can clearly define arbitration clauses and applicable laws within the contract. Additionally, we maintain a robust risk management system to help you mitigate common trade risks, such as exchange rate fluctuations, shipping delays, and document discrepancies.


Q3: Do you have experience serving clients in Russian-speaking regions?
A: Yes. We place great importance on the Russian-speaking market; our team includes Russian-speaking business professionals who are well-versed in the import regulations of Russia and the Eurasian Economic Union (EAEU). We understand the importance of EAC certification to clients in these regions and can assist with related compliance inquiries. We have established connections with chemical traders across various CIS countries and have gained valuable experience in specialized packaging and temperature-controlled shipping designed to withstand harsh local winter conditions.


Q4: How do you guarantee product quality?
A: We implement a strict supplier qualification and periodic audit system. A Certificate of Analysis (COA)—issued by the original manufacturer—is provided with every shipment. We also welcome pre-shipment inspections conducted by internationally recognized third-party agencies such as SGS, BV, or ITS. Should the test results fail to meet the standards specified in the contract, you have the right to reject the goods or request a replacement.

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