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Indole-3-Butyric acid

  • Indole-3-Butyric acid
  • Indole-3-Butyric acid
  • Indole-3-Butyric acid

Indole-3-Butyric acid

CAS No.: 133-32-4
Molecular Formula: C12H13NO2
Molecular weight: 203.24
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product description
Indole-3-butyric acid pure products are white to light yellow crystalline solids, and industrial products are often light brown or white powder. Has a slight peculiar smell. Insoluble in water, slightly soluble in benzene, toluene, easily soluble in ethanol, ether, acetone and chloroform and other organic solvents. It is stable at room temperature, but it is easy to decompose under strong acid and alkali conditions, and it is also sensitive to light and heat. 


Chemical Properties
PropertyValue

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


PropertyValue
Hazard symbolsT, Xi
Hazard class codes25-36/37/38
Safety descriptions26-36-45-38-36/37/39-28A
UN dangerous goods numberUN 2811 6.1/PG 3
WGK Germany3
RTECS numberNL5250000
F8-10-23
Hazard NoteIrritant
TSCATSCA listed
Hazard class6.1
Packing groupIII
HS code29339990
Storage class6.1C - Combustible, acute toxicity Category 3
Toxic compounds or compounds causing chronic effects
Hazard class (category)Acute toxicity, Category 3, Oral
Hazardous substances data133-32-4 (Hazardous Substances Data)
ToxicityLD50 i.p. in mice: 100 mg/kg (Anderson)


Product Usage

Indole-3-Butyric Acid (吲哚-3-丁酸) - Product Applications

Indole-3-Butyric Acid (IBA) is a high-efficiency plant growth regulator belonging to the auxin family, widely recognized for its superior ability to promote root initiation. Its primary application is in horticulture and silviculture, where it is the active ingredient in rooting hormones for cuttings, significantly increasing the success rate of propagation for ornamental plants, fruit trees, and forest species. In broad-acre agriculture, it is used as a seed soak or foliar spray to enhance root system development, leading to improved nutrient uptake and increased crop resilience against environmental stress. Furthermore, it is a vital tool in plant tissue culture, used in specialized media to induce adventitious root formation in micropropagated plantlets. In landscape management, IBA is applied during transplanting to reduce "transplant shock" and ensure the rapid establishment of young trees and shrubs.

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Delivery Time

Inventory 2-3 working days New manufacturing 7-10 working days

Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
We only provide highest quality goods available, accompanied by after support!

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  • 微信图片_2026-04-09_153718_808
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  • 微信图片_2026-04-09_153711_744
  • 微信图片_2026-04-09_153654_640
FAQ

Q1: Are Your Products Compliant With International Standards?

A1: Yes, our company holds a number of internationally recognized core certifications. All production and operation activities strictly follow international environmental, safety and quality standards, and each batch of products is accompanied by a compliance test report to meet the chemical industry requirements in different regions around the world.


Q2: Do You Provide Customized Product Services?
A2: Yes, we have a professional R&D team and refined production capacity. We can customize chemical products of different specifications and performances according to customers' specific needs, and provide full-process technical support to meet the personalized application needs of downstream industries.


Q3: What Is The Approximate Delivery Cycle Of The Products?
A3: The delivery cycle varies according to product type, order quantity and destination. We have a complete global supply chain system to ensure fast and safe delivery of goods. For specific cycle, you can consult our sales team for detailed information.


Q4: How To Obtain Product Samples?
A4: You can contact our customer service or sales team to specify the specific model and specification of the required samples. We will provide free samples according to the actual situation, and the sample express fee can be negotiated.

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