Indole-3-acetic acid
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Indole-3-acetic acid Properties
- Melting point:
- 165-169 °C (lit.)
- Boiling point:
- 306.47°C (rough estimate)
- Density
- 1.1999 (rough estimate)
- refractive index
- 1.5460 (estimate)
- Flash point:
- 171°C
- storage temp.
- −20°C
- form
- crystalline
- pka
- 4.75(at 25℃)
- color
- off-white to tan
- Water Solubility
- Soluble in ethanol (50 mg/ml), methanol, DMSO, and chloroform (sparingly). Insoluble in water.
- Decomposition
- 167 ºC
- Sensitive
- Light Sensitive
- Merck
- 14,4964
- BRN
- 143358
- Stability:
- Stable. Incompatible with strong oxidizing agents. Light sensitive.
- CAS DataBase Reference
- 87-51-4(CAS DataBase Reference)
- NIST Chemistry Reference
- Indole-3-acetic acid(87-51-4)
- EPA Substance Registry System
- Indole-3-acetic acid (87-51-4)
SAFETY
- Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
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|---|---|---|---|
| Hazard statements | H315-H319-H335 | ||
| Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a | ||
| Hazard Codes | Xi | ||
| Risk Statements | 36/37/38 | ||
| Safety Statements | 22-24/25 | ||
| WGK Germany | 3 |
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| RTECS | NL3150000 |
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| F | 8-10-23 | ||
| Hazard Note | Irritant | ||
| TSCA | Yes | ||
| HS Code | 29339990 | ||
| Toxicity | LD50 intraperitoneal in mouse: 150mg/kg |
Indole-3-acetic acid price More Price(13)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | I2886 | 3-Indoleacetic acid plant cell culture tested, crystalline | 87-51-4 | 5g | $27.9 | 2020-08-18 | Buy |
| Sigma-Aldrich | 45533 | 3-Indoleacetic acid PESTANAL , analytical standard | 87-51-4 | 250mg | $41.6 | 2020-08-18 | Buy |
| TCI Chemical | I0022 | 3-Indoleacetic Acid >98.0%(T) | 87-51-4 | 5g | $22 | 2021-03-22 | Buy |
| TCI Chemical | I0022 | 3-Indoleacetic Acid >98.0%(T) | 87-51-4 | 25g | $64 | 2021-03-22 | Buy |
| Alfa Aesar | A10556 | Indole-3-acetic acid, 98+% | 87-51-4 | 25g | $70.4 | 2021-03-22 | Buy |
Indole-3-acetic acid Chemical Properties,Uses,Production
Chemical Properties
white to tan crystalsUses
Plant growth regulator.Definition
ChEBI: A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens has been replaced by a 1H-indol-3-yl group.Biosynthesis
3-Indolylacetic acid is biosynthesised in plants from tryptophan by two pathways, the indolylpyruvic acid pathway being quantitatively the more important. Experiments with tomato shoots have shown the existence of a tryptophan transaminase, which catalyses the formation of indolylpyruvic acid, and a tryptophan decarboxylase, which catalyses the formation of tryptamine. The decarboxylation of indolylpyruvic acid is catalysed by indolylpyruvate decarboxylase, while indolylacetaldehyde dehydrogenase catalyses the oxidation of indolylacetaldehyde to indolylacetic acid.
The biosynthesis of 3-indolylacetic acid
Biological Functions
3-Indolylacetic acid (indole-3-acetic acid, IAA) is one of the auxins, which together with the gibberellins and abscisic acid, cyto- kinins and ethylene are hormones regulating the growth and development of plants. IAA is a ubiquitous constituent of higher plants and the most important auxin. Some other, non-indolic compounds, including phenyl- acetic acid biosynthesised in plants from phenylalanine, have similar properties and synthetic auxins have also been prepared.In the plant, IAA conjugates with many compounds, including glucose and other sugars, and with aspartic and glutamic acids. This is probably a way of storing the hormone for future use.
IAA initiates many growth effects in plants, including geotropism and phototropism, development of the ovary, division of cells, enlargement in callus tissue, root formation and apical dominance. When fed to plants, the hormone causes growth up to a maximum, which depends on the type of tissue being fed, and thereafter inhibits further growth, probably through the formation of ethylene, which is growth-inhibitory. Stern tissues tolerate the highest levels of IAA and root tissues the lowest. In the plant, the most active sites of IAA synthesis are the young, expanding leaves.
Agricultural Uses
Indoleacetic acid (IAA), synthesized in the plant shoot tips, is a naturally occurring auxin. It is a plant growth promoter.Purification Methods
Recrystallise heteroauxin from EtOH/water [James & Ware J Phys Chem 89 5450 1985]. [Beilstein 22 III/IV 65.] Alternatively recrystallise 30g of the acid with 10g of charcoal in 1L of hot water, filter and cool when 22g of colourless acid separate. Dry it and store it in a dark bottle away from direct sunlight [Johnson & Jacoby Org Synth Coll Vol V 654 1973]. The picrate has m 178-180o. [Beilstein 22 H 66, 22 I 508, 22 II 50, 22 III/IV 1088.] It is a plant growth substance.Indole-3-acetic acid Preparation Products And Raw materials
Raw materials
Preparation Products
Indole-3-acetic acid Suppliers
Global( 560)Suppliers
| Supplier | Tel | Fax | Country | ProdList | Advantage | |
|---|---|---|---|---|---|---|
| Henan DaKen Chemical CO.,LTD. | +86-371-55531817 |
info@dakenchem.com | CHINA | 21251 | 58 | |
| Henan Tianfu Chemical Co.,Ltd. | 0371-55170693 |
0371-55170693 | info@tianfuchem.com | CHINA | 22607 | 55 |
| Hefei TNJ Chemical Industry Co.,Ltd. | 86-0551-65418684 18949823763 |
86-0551-65418684 | info@tnjchem.com | China | 2911 | 55 |
| Shanghai Zheyan Biotech Co., Ltd. | 18017610038 |
zheyansh@163.com | CHINA | 3623 | 58 | |
| career henan chemical co | +86-371-86658258 |
sales@coreychem.com | CHINA | 29983 | 58 | |
| NINGBO INNO PHARMCHEM CO., LTD. | 13867897135 |
sales@nbinno.com | CHINA | 925 | 58 | |
| Chengdu Biopurify Phytochemicals Ltd. | 18482058008 18080483897 |
maggie@biopurify.com | CHINA | 2712 | 58 | |
| Hubei Jusheng Technology Co.,Ltd. | 86-18871470254 |
027-59599243 | linda@hubeijusheng.com | CHINA | 28229 | 58 |
| Accela ChemBio Inc. | (+1)-858-699-3322 |
(+1)-858-876-1948 | info@accelachem.com | United States | 19969 | 58 |
| QUALITY CONTROL CHEMICALS INC. | (323) 306-3136 |
(626) 453-0409 | orders@qcchemical.com | United States | 8406 | 58 |
View Lastest Price from Indole-3-acetic acid manufacturers
| Image | Release date | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2021-06-07 |
Indole-3-acetic acid 87-51-4 |
US $125.00 / ASSAYS | 1ASSAYS | 98% | 1-20mt | Baoji Guokang Bio-Technology Co., Ltd. | |
 |
2021-07-08 |
Indole-3-acetic acid 87-51-4 |
US $15.00-10.00 / KG | 1KG | 99%+ HPLC | Monthly supply of 1 ton | Zhuozhou Wenxi import and Export Co., Ltd | |
 |
2021-07-03 |
Indole-3-acetic acid 87-51-4 |
US $125.00 / ASSAYS | 1ASSAYS | 99%+ HPLC | Monthly supply of 100kg | Zhuozhou Wenxi import and Export Co., Ltd |
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- omega-Skatole carboxylic acid
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- INDOLE-3-ACETIC ACID PLANT CELL CULTURE TESTED
- 3-INDOLYLACETIC ACID PESTANAL, 250 MG
- 2-(INDOLIN-3-YL)ACETIC ACID
- Indole-3-acetic acid (3-IAA)
- 3-IndoleaceticAcid,Indole-3-AceticAcid
- Indole-3-AceticAcidForBiochemistry
- Indole-3-acetic acid, 98+%
- IAA,3-Indoleaceticacid
- 1H-Indole-3-acetic acid, 99+%
- INDOLE-3-ACETICACID,(IAA)98%(BULK
- Indol-3-ylacetic acid 98%
- 3-INDOLEACCETIC ACID(IAA)
- INDOLACETICACID
- 4-(INDOL-3-YL)ACETICACID
- Indole-3-acetic acid horticultural grade, 99%
- INDOLE-3-ACETIC AICD
- IAA, 3-Indoylacetic acid
- Indole-3-acetic acid solution (1 mg/mL)
- INDOLE-3-ACETIC ACID SOLUTION
- Indol-3-accetic acid
- Indole-3-acetic acid in stock Factory
- RHIZOPIN
- RARECHEM AL BO 0204
- HETEROAUXINE
- HETEROAUXIN SODIUM SALT
- HETEROAUXIN
- HETERAUXIN
- INDOLYL-3-ACETIC ACID
- INDOLEACETIC ACID
- INDOLE-3-ACETIC ACID SODIUM SALT
- INDOLE-3-ACETIC ACID
- INDOL-3-YLACETIC ACID
- IAA SODIUM SALT
- IAA
- JAA
- LABOTEST-BB LT00044476
- 2-(1H-INDOL-3-YL)ACETIC ACID
- 1H-INDOLE-3-ACETIC ACID
- (1H-INDOL-3-YL)-ACETIC ACID
- 3-INDOLEACETIC ACID
- 3-INDOLYLACETIC ACID
- Indole-3-acetic acid,(Heterauxin
- Indole-3-acetic Acid (1.00353)
- Indole-3-acetic acid IAA
- AKOS NCG1-0097
- INDOLE-3-ACETIC ACID pure
- Heteroauxin, IAA
- 3-Indolylmethylcarboxylic acid
