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I5148

Sigma-Aldrich

Indole-3-acetic acid sodium salt

suitable for plant cell culture, BioReagent, ≥98%

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Synonym(s):
3-IAA, IAA, indolylacetic acid, Heteroauxin
Empirical Formula (Hill Notation):
C10H8NNaO2
CAS Number:
6505-45-9
Molecular Weight:
197.17
MDL number:
MFCD09039281
PubChem Substance ID:
24895985
NACRES:
NA.52

grade

for molecular biology

product line

BioReagent

Assay

≥98%

form

powder

technique(s)

cell culture | plant: suitable

solubility

H2O: soluble

suitability

suitable for (Plant cell culture)

application(s)

agriculture

storage temp.

2-8°C

SMILES string

[Na+].[O-]C(=O)Cc1c[nH]c2ccccc12

InChI

1S/C10H9NO2.Na/c12-10(13)5-7-6-11-9-4-2-1-3-8(7)9;/h1-4,6,11H,5H2,(H,12,13);/q;+1/p-1

InChI key

YGSPWCVTJRFZEL-UHFFFAOYSA-M

Related Categories

General description

Indole-3-acetic acid (IAA) is a plant hormone and a natural form of phytoalexins that belongs to the class of auxins. It is synthesized by plants and plant-associated microorganisms including ectomycorrhizal, endophytic fungi, and plant growth-promoting rhizobacteria. IAA is the product of L- tryptophan metabolism.

Application

Indole-3-acetic acid (IAA) sodium salt has been used:
  • to alter the root developmental processes in Arabidopsis thaliana seedlings
  • as a standard for the determination of IAA by high-performance liquid chromatography using Chlorella sorokiniana and Azospirillum brasilense sample culture media
  • as one of the plant hormone to treat interspecific hybrids (Elaeis oleifera Cortés x Elaeis guineensis Jacq.) and study its effect on bunch formation in parthenocarpic fruits and oil production in oil palm
  • as a supplement in culture media to induce mitotic slippage in human cell lines
  • as a supplement in a shoot induction medium (SIM) for shooting and shoot elongation from explant

Biochem/physiol Actions

Indole-3-acetic acid (IAA) is a plant growth regulator. Indole-3-acetic acid induces root initiation, cell division, and cell elongation which promotes plant growth. It mediates organ development, fertility, cell orientation, and elongation. Overproduction of IAA is found to trigger ethylene production and therefore inhibit plant growth. In addition, up-regulation of IAA by pathogenic bacteria causes excess cellular division leading to gall disease in the plant.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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