Indigo

Modify Date: 2024-01-02 19:54:44

Indigo Structure
Indigo structure
 Common Name Indigo
CAS Number 482-89-3 Molecular Weight 262.26
Density 1.4±0.1 g/cm3 Boiling Point 400.4±45.0 °C at 760 mmHg
Molecular Formula C16H10N2O2 Melting Point >300 °C(lit.)
MSDS Chinese USA Flash Point 158.2±28.9 °C
Symbol GHS08
GHS08		 Signal Word Warning

 Use of Indigo


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

 Names

Name Indigo
Synonym More Synonyms

 Indigo 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
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

 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
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

 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%

 Articles46

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Evaluation of potential genotoxicity of five food dyes using the somatic mutation and recombination test.

Chemosphere 88(8) , 974-9, (2012)

In this study, different concentrations of five food dyes (amaranth, patent blue, carminic acid, indigotine and erythrosine) have been evaluated for genotoxicity in the Somatic Mutation and Recombinat...

 Synonyms

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
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Price: ￥550/10 mM * 1 mL in DMSO

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Related Compounds: More...
Indigo
68651-46-7
Indigo 4B
2475-31-2
indigotin
64784-13-0
Isoindigo
476-34-6
Indigo Red
479-41-4
indigotini
860-22-0
thioindigo
3583-39-9
Leucoindigo
6537-68-4
Janson Indigo
6275-44-1
Chemsrc provides Indigo(CAS#:482-89-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Indigo are included as well.>> amp version: Indigo

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