Indigo

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

Biological Activity

[Description]:

Indigo is a deep and rich color dye for indole stain, isolated from the plant Indigofera tinctoria and related species[1].

[Related Catalog]:

Research Areas >> Others

Signaling Pathways >> Others >> Others

[References]

[1]. Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 197; Color Sample of Indigo: Page 117 Plate 47 Color Sample E10.

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

Click to get detail 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

DownStream

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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