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Substance Name: Indoleacetic acid
RN: 87-51-4
UNII: 6U1S09C61L
InChIKey: SEOVTRFCIGRIMH-UHFFFAOYSA-N

Classification Codes

  • Agricultural Chemical
  • Growth Regulator / Fertilizer
  • Growth Substances
  • Mutation Data
  • Plant Growth Regulators
  • Reproductive Effect
  • Tumor Data

Molecular Formula

  • C10-H9-N-O2

Molecular Weight

  • 175.1861
 
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Names and Synonyms

Name of Substance

  • Indoleacetic acid

Synonyms

  • 1H-Indole-3-acetic acid (9CI)
  • 3-(Carboxymethyl)indole
  • 3-Iaa
  • 3-Indoleacetic acid
  • Acetic acid, indolyl-
  • AI3-24131
  • beta-Indoleacetic acid
  • beta-Indolylacetic acid
  • CCRIS 1014
  • EINECS 201-748-2
  • EPA Pesticide Chemical Code 128915
  • Heteroauxin
  • Heteroauxinhexteroauxiniaa
  • Hexteroauxin
  • IAA
  • Indol-3-ylacetic acid
  • Indole-3-acetic acid
  • Indoleacetic acid (VAN)
  • Kyselina 3-indolyloctova
  • Kyselina 3-indolyloctova [Czech]
  • NSC 3787
  • omega-Skatole carboxylic acid
  • Rhizopin
  • Rhizopon A
  • UNII-6U1S09C61L

Systematic Names

  • 1H-Indole-3-acetic acid
  • Indol-3-ylacetic acid
  • Indole-3-acetic acid (8CI)

Registry Numbers

CAS Registry Number

  • 87-51-4

FDA UNII

  • 6U1S09C61L

Other Registry Number

  • 54692-39-6

Related Registry Numbers

  • 2338-19-4 (mono-potassium salt)
  • 6305-45-9 (mono-hydrochloride salt)

System Generated Number

  • 0000087514

Structure Descriptors

InChI

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

InChIKey

SEOVTRFCIGRIMH-UHFFFAOYSA-N

Smiles

c1ccc2c(c1)c(c[nH]2)CC(=O)O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 150mg/kg (150mg/kg)   National Technical Information Service. Vol. AD691-490,
rat LD oral > 500mg/kg (500mg/kg)   National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 7, 1953.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 168.5 deg C   EXP
pKa Dissociation Constant 4.75 (none)   EXP
log P (octanol-water) 1.41 (none)   EXP
Water Solubility 1500 mg/L 20 EXP
Vapor Pressure 5.26E-06 mm Hg 25 EST
Henry's Law Constant 7.27E-12 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.84E-10 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.