2,3-Dimethylindole

CAS No.：91-55-4

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
The purchaser must not use this product, or supply it to another party, for personal consumption, sports or fitness, weight loss, health supplements, food, or animal feed.

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2,3-Dimethylindole Basic information

Product Name:	2,3-Dimethylindole
Synonyms:	2,3-DIMETHYLINDOLINE;2,3-DIMETHYLINDOLE;2,3-DIMETHYL-1H-INDOLE;2,3-dimethyl-1h-indol;5-ethyl-5-methyl-2-(phenylmethyl)-1,3-dioxane;2,3-dimethyl-indol;Indole, 2,3-dimethyl-;2,3-DIMETHYLINDOLE, 97+%
CAS:	91-55-4
MF:	C10H11N
MW:	145.2
EINECS:	202-076-2
Product Categories:	Building Blocks;Heterocyclic Building Blocks;Intermediates of Dyes and Pigments;Indoles and derivatives;Indole;Indoles;Simple Indoles;Heterocycle-Indole series
Mol File:	91-55-4.mol

2,3-Dimethylindole Chemical Properties

Melting point	105-107 °C (lit.)
Boiling point	285 °C (lit.)
density	1.0641 (estimate)
refractive index	1.6030 (estimate)
Fp	285°C/750mm
storage temp.	under inert gas (nitrogen or Argon) at 2–8 °C
pka	17.87±0.30(Predicted)
form	Solid
color	White to Amber
BRN	116662
CAS DataBase Reference	91-55-4(CAS DataBase Reference)
NIST Chemistry Reference	1H-Indole, 2,3-dimethyl-(91-55-4)
EPA Substance Registry System	1H-Indole, 2,3-dimethyl- (91-55-4)

Safety Information

Safety Statements	24/25
WGK Germany	3
RTECS	NL7185000
TSCA	Yes
HS Code	29339900

MSDS Information

Provider	Language
2,3-Dimethyl-1H-indole	English
SigmaAldrich	English
ACROS	English
ALFA	English

2,3-Dimethylindole Usage And Synthesis

Chemical Properties	White to yellow powder
Uses	2,3-Dimethylindole has been used to study the mechanism of oxidation of 2,3-dimethylindole by peroxodisulphate and peroxomonosulphate anions to 2-methylindole-2-carbaldehyde. It has been used to study the behaviour of methylindoles in the agilent multimode ion source by atmospheric pressure chemical ionization mass spectrometry.

2,3-Dimethylindole Preparation Products And Raw materials

Raw materials	2-Butanone
Preparation Products	N-Acetylanthranilic acid-->2-HYDROXY-4-METHYLQUINOLINE-->3-Methylindole-->1,3,3-Trimethyl-2-methyleneindoline

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