Indole-3-acetic acid
CAS No.
87-51-4
Chemical Name:
Indole-3-acetic acid
Synonyms
IAA;JAA;Gap;3-IAA;a-Iaa;b-Iaa;RHIZOPIN;beta-IAA;Noclosan;NSC 3787
CBNumber:
CB8783347
Molecular Formula:
C10H9NO2
Formula Weight:
175.18
MOL File:
87-51-4.mol
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
1H-Indole-3-acetic acid(87-51-4)
SAFETY
Risk and Safety Statements
Hazard and Precautionary Statements (GHS)
Hazard Codes
Xi
Risk Statements
36/37/38
Safety Statements
22-24/25
WGK Germany
3
RTECS
NL3150000
F
8-10-23
Hazard Note
Irritant
TSCA
Yes
HS Code
29339990
Symbol(GHS):
Signal word:
Hazard statements:
Code
Hazard statements
Hazard class
Category
Signal word
Pictogram
P-Codes
H315 Causes skin irritation
Skin corrosion/irritation
Category 2
Warning
P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation
Serious eye damage/eye irritation
Category 2A
Warning
P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation
Specific target organ toxicity, single exposure;Respiratory tract irritation
Category 3
Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.
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
$26.5 2018-11-20
Buy
Sigma-Aldrich
45533
3-Indoleacetic acid
PESTANAL , analytical standard
87-51-4
250mg
$39.2 2018-11-13
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TCI Chemical
I0022
3-Indoleacetic Acid >98.0%(T)
87-51-4
5g
$22 2018-11-22
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TCI Chemical
I0022
3-Indoleacetic Acid >98.0%(T)
87-51-4
25g
$63 2018-11-22
Buy
Alfa Aesar
A10556
Indole-3-acetic acid, 98+%
87-51-4
25g
$62.8 2018-11-13
Buy
Indole-3-acetic acid Chemical Properties,Uses,Production
Chemical Properties
white to tan crystals
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.
Uses
Plant growth regulator.
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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China 308
Europe 4
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Japan 2
Russia 1
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Switzerland 4
Ukraine 2
United Kingdom 21
United States 64
Global 437
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Indole-3-acetic acid Spectrum
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INDOLE-3-ACETIC ACID SOLUTION
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
AKOS NCG1-0097
3-INDOLEACETIC ACID
3-INDOLYLACETIC ACID
Indole-3-acetic acid,(Heterauxin
Indole-3-acetic Acid (1.00353)
Indole-3-acetic acid IAA
INDOLE-3-ACETIC ACID pure
Heteroauxin, IAA
3-Indolylmethylcarboxylic acid
NSC 87514
Silane, trichloro(2,2,4-trimethylpentyl)
