Skip Navigation
ChemIDplus Lite•Browse•Advanced

Substance Name: Indigo
RN: 482-89-3
InChIKey: COHYTHOBJLSHDF-BUHFOSPRSA-N

Classification Codes

  • Coloring Agents
  • Mutation Data

Molecular Formula

  • C16-H10-N2-O2

Molecular Weight

  • 262.267
 
* denotes mobile formatted website

Links to Resources

NLM Resources (File Locators)

Regulatory Agencies (Superlist Locators)

Other Resources (Internet Locators)


Search for this InChIKey on the Web

Names and Synonyms

Name of Substance

  • 2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-o- ne
  • 3H-Indol-3-one, 2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-
  • CI 73000
  • Indigo
  • Vat Blue 1

Synonyms

  • (2,2'-Biindoline)-3,3'-dione
  • (delta2,2'(3H,3'H)-Biindole)-3,3'-dione
  • 11669 Blue
  • 2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one
  • 3H-Indol-3-one, 2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-
  • 5-24-08-00503 (Beilstein Handbook Reference)
  • AI3-09080
  • Blue No. 201
  • BRN 0088275
  • C.I. 73000
  • C.I. Vat Blue 1
  • CCRIS 4379
  • CI 73000
  • CI Pigment Blue 66
  • CI Vat Blue 1
  • Cystoceva
  • D & C Blue No. 6
  • D and C Blue No. 6
  • D&C Blue No. 6
  • delta(sup 2,2')-Bipseudoindoxyl
  • delta2,2'-Bipseudoindoxyl
  • Diindogen
  • EC 207-586-9
  • EINECS 207-586-9
  • HSDB 4372
  • Indigo
  • Indigo (VAN)
  • Indigo Blue
  • Indigo Ciba
  • Indigo Ciba SL
  • Indigo J
  • Indigo N
  • Indigo NAC
  • Indigo nacco
  • Indigo P
  • Indigo PLN
  • Indigo powder W
  • Indigo Pure BASF
  • Indigo Pure BASF Powder K
  • Indigo synthetic
  • Indigo VS
  • Indigotin
  • Lithosol Deep Blue B
  • Lithosol Deep Blue V
  • Mitsui indigo paste
  • Mitsui Indigo Pure
  • Modr Kypova 1
  • Modr Kypova 1 [Czech]
  • Monolite Fast Navy Blue BV
  • NCI-C61392
  • NSC 8645
  • Pigment Blue 66
  • Synthetic indigo
  • Synthetic indigo TS
  • Vat Blue 1
  • Vulcafix Blue R
  • Vulcafor Blue A
  • Vulcanosine Dark Blue L
  • Vulcol Fast Blue GL
  • Vynamon Blue A

Systematic Names

  • (delta(sup 2,2')-Biindoline)-3,3'-dione
  • (delta2,2'-Biindoline)-3,3'-dione (8CI)
  • 2-(1,3-Dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one
  • 2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one
  • 3H-Indol-3-one, 2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-
  • Indigo

Superlist Names

  • (delta2,2'-Biindoline)-3,3'-dione
  • 3H-Indol-3-one, 2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-

Registry Numbers

CAS Registry Number

  • 482-89-3

Other Registry Numbers

  • 11129-41-2
  • 1131642-59-5
  • 12000-74-7
  • 12626-73-2
  • 136797-30-3
  • 2089217-02-5
  • 2089217-38-7
  • 210488-46-3
  • 908005-94-7
  • 93660-98-1

System Generated Number

  • 0000482893

Structure Descriptors

InChI

InChI=1S/C16H10N2O2/c19-15-9-5-1-3-7-11(9)17-13(15)14-16(20)10-6-2-4-8-12(10)18-14/h1-8,17-18H/b14-13+

InChIKey

COHYTHOBJLSHDF-BUHFOSPRSA-N

Smiles

O=C1\C(=C\2/Nc3ccccc3C2=O)\Nc4ccccc14

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 2200mg/kg (2200mg/kg)   "Zhongliu Yanjiu" Cancer Review, Yu, R., et al., eds., Shanghai Science/Technology Publisher,Peop. Rep. China, 1994Vol. -, Pg. 173, 1994.
mouse LD50 oral > 32gm/kg (32000mg/kg)   "Zhongliu Yanjiu" Cancer Review, Yu, R., et al., eds., Shanghai Science/Technology Publisher,Peop. Rep. China, 1994Vol. -, Pg. 173, 1994.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 390 dec deg C   EXP
log P (octanol-water) 3.72 (none)   EXP
Water Solubility 13.4 mg/L 25 EST
Vapor Pressure 9.00E-13 mm Hg 25 EST
Henry's Law Constant 5.01E-14 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 8.26E-11 cm3/molecule-sec 25 EST

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