4-BROMO-5-METHYL-2,3-INDOLINEDIONE

4-BROMO-5-METHYL-2,3-INDOLINEDIONE - Names and Identifiers

Name	4-Bromo-5-methylisatin
Synonyms	NOLA-003 AKOS MSC-0104 TIMTEC-BB SBB000790 Bromo-5-methylisatin 4-BROMO-5-METHYLISATIN 4-Bromo-5-methylisatin 4-Bromo-5-methyl-2,3-indolinedione 4-Bromo-5-Methyl-2,3-Indolinedione 4-BROMO-5-METHYL-2,3-INDOLINEDIONE 4-bromo-5-methyl-1H-indole-2,3-dione 1H-indole-2,3-dione, 4-bromo-5-methyl- 1H-Indole-2,3-dione, 4-bromo-5-methyl- 4-Bromo-5-methyl-1H-indole-2,3-dione, 4-Bromo-5-methylindolin-2,3-dione
CAS	147149-84-6
EINECS	687-910-7
InChI	InChI=1/C9H6BrNO2/c1-4-2-3-5-6(7(4)10)8(12)9(13)11-5/h2-3H,1H3,(H,11,12,13)

4-BROMO-5-METHYL-2,3-INDOLINEDIONE - Physico-chemical Properties

Molecular Formula	C9H6BrNO2
Molar Mass	240.05
Density	1.714±0.06 g/cm3(Predicted)
pKa	9.56±0.20(Predicted)
Storage Condition	2-8°C
Refractive Index	1.631
Physical and Chemical Properties	Appearance: Red Crystal Melting Point: 250-254 ℃

4-BROMO-5-METHYL-2,3-INDOLINEDIONE - Risk and Safety

Risk Codes	R22 - Harmful if swallowed R52 - Harmful to aquatic organisms
Hazard Note	Irritant

4-BROMO-5-METHYL-2,3-INDOLINEDIONE - Introduction

4-bromo-5-methyllisatin is an organic synthetic dye with the chemical name bromoisatin. Its chemical formula is C16H10BrN3O2. The following is a description of the nature, use, preparation and safety information of 4-bromo-5-methyllisatin:

Nature:
-Appearance: 4-bromo-5-methyllistatin is a red solid.
-Solubility: insoluble in water, but soluble in organic solvents such as Alcohols, Ketones and esters.
-stability: has good light resistance, heat resistance, resistance to uniform alkali and acid resistance.

Use:
-Dye: 4-bromo-5-methylliamin can be used as a fiber dye, especially suitable for dyeing polyester, polyester and acid fibers.
-Ink: It is often used as a component of dyeing ink and can be used for writing and painting.
-Fluorescent probe: Due to its fluorescent properties, 4-bromo-5-methylliamin can be used as a fluorescent probe for experiments and studies such as fluorescence microscopy.

Method:
The preparation method of 4-bromo-5-methyllistatin is more complicated, and generally needs to be synthesized by organic synthesis reaction. The specific preparation method can use iminophenothiazole to react with methyl bromide, and then carry out other subsequent reactions.

Safety Information:
-4-bromo-5-methyllistatin has limited data on toxicity in humans and should be used with caution.
-Wear personal protective equipment such as chemical protective gloves, goggles and face shields when using.
-Avoid contact with skin and eyes, and avoid inhaling or swallowing the substance.
-In case of contact, rinse immediately with plenty of water and seek medical help.

Last Update：2024-04-10 22:29:15