2,3,3-Trimethylindolenine Chemical Properties

Melting point:

6-8°C

Boiling point:

228-229 °C744 mm Hg(lit.)

Density 

0.992 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.549(lit.)

Flash point:

200 °F

storage temp. 

Keep in dark place,Sealed in dry,Room Temperature

solubility 

Soluble in chloroform, toluene or dichlorobenzene.

form 

Liquid

pka

6.33±0.40(Predicted)

color 

Clear yellow to red-brown

BRN 

119740

InChI

InChI=1S/C11H13N/c1-8-11(2,3)9-6-4-5-7-10(9)12-8/h4-7H,1-3H3

InChIKey

FLHJIAFUWHPJRT-UHFFFAOYSA-N

SMILES

N1C2=C(C=CC=C2)C(C)(C)C=1C

CAS DataBase Reference

1640-39-7(CAS DataBase Reference)

NIST Chemistry Reference

3H-Indole, 2,3,3-trimethyl-(1640-39-7)

EPA Substance Registry System

3H-Indole, 2,3,3-trimethyl- (1640-39-7)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38-22

Safety Statements 

26-36-37/39

RIDADR 

NA 1993 / PGIII

WGK Germany 

1

F 

10

TSCA 

Yes

HS Code 

29339900

MSDS

• Language:English Provider:2,3,3-Trimethylindolenine
• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

2,3,3-Trimethylindolenine Usage And Synthesis

Chemical Properties

clear yellow to red-brown liquid

Uses

It is used in synthesis of cyanine dyes.

Uses

2,3,3-Trimethylindolenine is an indole derivative used in the preparation of cyanine dye labelleing reagents and other imaging agents.

Synthesis Reference(s)

The Journal of Organic Chemistry, 33, p. 4283, 1968 DOI: 10.1021/jo01275a066

2,3,3-Trimethylindolenine(1640-39-7)Related Product Information

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• BASIC ORANGE 21
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• ASTRAZON RED 6B
• ASTRAZON ORANGE R
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• BASIC YELLOW 11
• ASTRAZON PINK FG
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• 2-[(1E,3Z)-3-CHLORO-5-(1,3,3-TRIMETHYL-1,3-DIHYDRO-2H-INDOL-2-YLIDENE)-1,3-PENTADIENYL]-1,3,3-TRIMETHYL-3H-INDOLIUM IODIDE
• 1,2,3,3-Tetramethyl-3H-indolium iodide