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Back to ChemicalBook Home--->CAS DataBase List--->482-89-3

482-89-3

482-89-3 Structure

482-89-3 Structure
IdentificationMore
【Name】

Indigo
【CAS】

482-89-3
【Synonyms】

2-(1,3-dihydro-3-oxo-2h-indol-2-ylidene)-1,2-dihydro-3h-indol-3-one
2,2'-Bis(2,3-dihydro-3-oxoindolylidene)
CI 73000
CI NO 73000
INDIGO
INDIGO BLUE
INDIGO (SYNTHETIC)
INDIGOTIN
PIGMENT BLUE 66
VAT BLUE 1
(2,2’-biindoline)-3,3’-dione
(2,2'-Biindoline)-3,3'-dione
(delta(2,2’(3h,3’h))-biindole)-3,3’-dione
(delta(2,2’)-biindoline)-3,3’-dione
(delta(sup2,2’)-biindoline)-3,3’-dione
(delta2,2'(3H,3'H)-Biindole)-3,3'-dione
(delta2,2'-Biindoline)-3,3'-dione
11669 Blue
11669blue
1H,1’H-[2,2’]biindolylidene-3,3’-dione
【EINECS(EC#)】

207-586-9
【Molecular Formula】

C16H10N2O2
【MDL Number】

MFCD00005722
【Molecular Weight】

262.26
【MOL File】

482-89-3.mol
Chemical PropertiesBack Directory
【Appearance】

dark violet powder
【mp 】

>300 °C(lit.)
【density 】

1.01 g/mL at 20 °C
【Colour Index 】

73000
【Stability:】

Stable. Incompatible with strong oxidizing agents.
【Water Solubility 】

<0.1 g/100 mL
【Merck 】

4943
【CAS DataBase Reference】

482-89-3(CAS DataBase Reference)
【NIST Chemistry Reference】

c.i. Vat blue 1(482-89-3)
【EPA Substance Registry System】

482-89-3(EPA Substance)
Safety DataBack Directory
【Hazard Codes 】

Xi
【Risk Statements 】

R36/38:Irritating to eyes and skin .
R36/37/38:Irritating to eyes, respiratory system and skin .
【Safety Statements 】

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
【RIDADR 】

UN 3264 8/PG 3
【WGK Germany 】

1
【RTECS 】

DU2988400
【Hazardous Substances Data】

482-89-3(Hazardous Substances Data)
Raw materials And Preparation ProductsBack Directory
【Raw materials】

Sodium hydroxide-->Sodium-->Sodium carbonate-->Potassium hydroxide -->Sodium chloride-->Ammonia-->Aniline-->Chloroacetic acid-->Aluminium hydroxide-->Aluminium sulfate-->Indole-->Acid Blue 74-->Food Blue 1:1
【Preparation Products】

Indole-->Isatin-->Acid Blue 74-->Food Blue 1:1-->Vat Blue 4B
Hazard InformationBack Directory
【General Description】

Dark blue powder with coppery luster. Occurs in isomeric forms (cis and trans). In solid state C.I. VAT BLUE 1(482-89-3) is in the trans form.
【Air & Water Reactions】

Insoluble in water.
【Health Hazard】

ACUTE/CHRONIC HAZARDS: This compound may cause irritation of the skin and mucous membranes.
【Fire Hazard】

Flash point data for this compound are not available but C.I. VAT BLUE 1 is probably combustible.
Material Safety Data Sheet(MSDS)Back Directory
【msds information】

Indigo(482-89-3).msds
Spectrum DetailBack Directory
【Spectrum Detail】

Indigo(482-89-3)IR2
Indigo(482-89-3)IR1
Well-known Reagent Company Product InformationBack Directory
【Acros Organics】

Indigo, synthetic(482-89-3)
【Sigma Aldrich】

482-89-3(sigmaaldrich)
【TCI AMERICA】

Indigo (synthetic),>98.0%(T)(482-89-3)
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