5,7-dibromoindoline-2,3-dione

5,7-dibromoindoline-2,3-dione - Names and Identifiers

Name	1H-Indole-2,3-dione, 5,7-dibromo-
Synonyms	5,7-Dibromoisatin 5,7-dibromoindoline-2,3-dione 5,7-Dibromo-1H-indole-2,3-dione 1H-Indole-2,3-dione, 5,7-dibromo- 5,7-dibroMo-2,3-dihydro-1H-indole-2,3-dione
CAS	6374-91-0
EINECS	695-547-0

5,7-dibromoindoline-2,3-dione - Physico-chemical Properties

Molecular Formula	C8H3Br2NO2
Molar Mass	304.92
Melting Point	250-255°C
Storage Condition	Sealed in dry,Room Temperature

5,7-dibromoindoline-2,3-dione - Risk and Safety

Hazard Symbols	Xn - Harmful
Risk Codes	R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets.
WGK Germany	3

5,7-dibromoindoline-2,3-dione - Introduction

1H-Indole-2,3-dione, 5,7-dibromo-is an organic compound with the chemical formula C8H3Br2NO2. It is a red to dark brown powdery substance. The following is a description of the nature, use, preparation and safety information of 1H-Indole-2,3-dione, 5,7-dibromo:

Nature:
-Appearance: Red to dark brown powder
-Melting point: 270-273°C
-Solubility: Soluble in alcohol and dichloromethane, insoluble in water
-Density: approx. 2.9g/cm³

Use:
- 1H-Indole-2,3-dione, 5,7-dibromo-is often used as an indicator and colorant in chemical laboratories.
-It can also be used for the synthesis of dyes and pigments.

Preparation Method:
- 1H-Indole-2,3-dione, 5,7-dibromo -1H-Indole-2,3-dione, 5,7-dibromo-can be produced by the reaction of 2,3-dichloroindole carboxylic acid with nitrous acid-.
-This reaction is usually carried out under low temperature and acidic conditions.

Safety Information:
- 1H-Indole-2,3-dione, 5,7-dibromo-has no obvious toxicity under general conditions of use, but it is still necessary to pay attention to safe operation and avoid direct contact with skin and eyes.
-When handling or handling the compound, it is recommended to wear protective gloves and glasses.
-When performing laboratory-scale synthesis, it is necessary to operate in a well-ventilated environment.

Please note that this is general information. The specific safety operation and handling should be determined according to the specific situation and experimental requirements. It is strongly recommended to follow relevant safety guidelines when using and handling chemicals.

Last Update：2024-04-10 22:29:15