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Indole-3-acetic acid

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Indole-3-acetic acid Basic information

Product Name:
Indole-3-acetic acid
CAS:
87-51-4
MF:
C10H9NO2
MW:
175.18
EINECS:
201-748-2
Mol File:
87-51-4.mol
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Indole-3-acetic acid Chemical 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
pka
4.75(at 25℃)
form 
crystalline
color 
off-white to tan
Water Solubility 
Soluble in ethanol (50 mg/ml), methanol, DMSO, and chloroform (sparingly). Insoluble in water.
Sensitive 
Light Sensitive
Decomposition 
167 ºC
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)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
22-24/25
WGK Germany 
3
RTECS 
NL3150000
8-10-23
Hazard Note 
Irritant
TSCA 
Yes
HS Code 
29339990
Toxicity
LD50 intraperitoneal in mouse: 150mg/kg

MSDS

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Indole-3-acetic acid Usage And Synthesis

Chemical Properties

white to tan crystals

Uses

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ChEBI: A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens has been replaced by a 1H-indol-3-yl group.

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

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Indole-3-acetic acidSupplierMore

Alfa Aesar Gold
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400-610-6006; 021-67582000
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saleschina@alfa-asia.com
Zhengzhou Yuanli Biological Technology Co., Ltd. Gold
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0371-67897870-
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2130541246@qq.com;
Wuhu Norwich chemical technology co., LTD Gold
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18055326116
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Wuhan Runzeweiye Technology Co., Ltd. Gold
Tel:
027-50779735-
Email:
runzeweiye999@163.com;
Foshan DaoQi Biological Co., Ltd. Gold
Tel:
18062666947
Email:
2355880548@qq.com
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