Indigo

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Names

[ CAS No. ]:
482-89-3

[ Name ]:
Indigo

[Synonym ]:
C.I. Natural Blue 1
EINECS 207-586-9
Indigo J
3H-Indol-3-one, 2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-, (2E)-
Blue No 201
Indigotin
indigo Blue
indigon
Vat Dark Blue VB
indigo powder
indigovs
[δ2,2'-Biindoline]-3,3'-dione
C.I. Pigment Blue 66
trans-indigo
D2,2'-Bipseudoindoxyl
[D2,2'-Biindoline]-3,3'-dione
δ2,2'-Bipseudoindoxyl
MFCD00005722
Indigo
AO201
(2E)-2-(3-Oxo-1,3-dihydro-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
400.4±45.0 °C at 760 mmHg

[ Melting Point ]:
>300 °C(lit.)

[ Molecular Formula ]:
C16H10N2O2

[ Molecular Weight ]:
262.26

[ Flash Point ]:
158.2±28.9 °C

[ Exact Mass ]:
262.074219

[ PSA ]:
58.20000

[ LogP ]:
3.72

[ Vapour Pressure ]:
0.0±0.9 mmHg at 25°C

[ Index of Refraction ]:
1.709

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DU2988400
CHEMICAL NAME :
(delta(sup 2,2')-Biindoline)-3,3'-dione
CAS REGISTRY NUMBER :
482-89-3
BEILSTEIN REFERENCE NO. :
0088275
LAST UPDATED :
199710
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C16-H10-N2-O2
MOLECULAR WEIGHT :
262.28

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>32 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Bacteria - Salmonella typhimurium
DOSE/DURATION :
500 nmol/plate
REFERENCE :
CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 3,1321,1982 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - T0884 No. of Facilities: 10 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 69 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T0884 No. of Facilities: 291 (estimated) No. of Industries: 4 No. of Occupations: 16 No. of Employees: 27714 (estimated) No. of Female Employees: 24218 (estimated)

Safety Information

[ Symbol ]:

GHS08

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H373

[ Precautionary Statements ]:
P260

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi:Irritant

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ RIDADR ]:
UN 3264 8/PG 3

[ WGK Germany ]:
1

[ RTECS ]:
DU2988400

[ Hazard Class ]:
8.0

[ HS Code ]:
3204151000

Precursor & DownStream

Precursor

  • isatin
  • 2-chloro-3H-indol-3-one
  • 2′-Nitroacetophenone
  • 1-Acetyl-1,2-dihydro-3H-indol-3-one
  • 1,3-DIACETOXYINDOLE
  • 1-acetyl-2-benzoyl-3-indolinone
  • Acetone
  • 2-Nitrobenzaldehyde
  • 1,2-diacetyl-3-indolinone
  • 1-acetyl-2-propionyl-3-indolinone

DownStream

  • indoxyl
  • Indirubin
  • 4-Bromoaniline
  • Trinitrophenol
  • 2-Hydroxy-3-nitrobenzoic acid
  • Salicylic acid, 5-nitro-
  • isatin
  • 2,2'-Bi[3H-indole]-3,3'-dione
  • 1H-Indole-2-carboxaldehyde,3-hydroxy-(9CI)
  • Anthranilic acid

Customs

[ HS Code ]: 2933990090

[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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Related Compounds

  • Indigo
  • Indigo 4B
  • indigotin
  • Isoindigo
  • Indigo Red
  • indigotini
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  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 7-(2-Methoxy-4-methylpyridin-3-yl)isoquinolin-3-amine
  • 3-Iodo-4-(oxetan-3-yloxy)aniline
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine