1128-47-8
6-methyl-1H-indole-2,3-dione
CAS: 1128-47-8
Molecular Formula: C9H7NO2
1128-47-8 - Names and Identifiers
| Name | 6-methyl-1H-indole-2,3-dione |
| Synonyms | 6-Methylindoline-2,3-dione 6-methyl-1H-indole-2,3-dione 1H-Indole-2,3-dione, 6-methyl- 1H-indole-2,3-dione, 6-methyl- |
| CAS | 1128-47-8 |
| InChI | InChI=1/C9H7NO2/c1-5-2-3-6-7(4-5)10-9(12)8(6)11/h2-4H,1H3,(H,10,11,12) |
1128-47-8 - Physico-chemical Properties
| Molecular Formula | C9H7NO2 |
| Molar Mass | 161.16 |
| Density | 1.301±0.06 g/cm3(Predicted) |
| Melting Point | >147 °C |
| pKa | 9.87±0.20(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.598 |
1128-47-8 - Risk and Safety
| Hazard Class | IRRITANT |
1128-47-8 - Introduction
6-Methylisatin is an organic dye with the chemical name C. I. 15850:1. The following is a description of its nature, use, preparation and safety information:
Nature:
- 6-methyl isatin is a red crystalline powder, soluble in water and organic solvents, as an acidic solution.
-It is red under acidic conditions and purple under alkaline conditions.
Use:
- 6-methyl isatin is a commonly used pigment and dye, which is widely used in cosmetics, food, medicine and textiles.
-It is often used to add red to cosmetics such as lipstick, nail polish, eye shadow and blush.
-In the food industry, it is used as a coloring agent for fruit juices and foods such as strawberries, cherries and tomatoes.
- 6-methyl isatin is also used for dyeing and printing textiles, giving it a bright red color.
Preparation Method:
The preparation method of -6-methyl isatin is more complicated and is usually achieved by chemical synthesis. One of the common preparation methods is that the amino group of isatin is reacted with p-toluic anhydride to obtain 6-methylisatin.
Safety Information:
-6-Methylisatin is generally considered safe and complies with food and cosmetic regulations and standards.
-However, sensitive people may be allergic to it, and allergy testing should be performed before use.
-When using cosmetics, care should be taken to avoid contact with eyes and mouth.
-Wear appropriate protective gloves and face mask when handling the substance to avoid inhalation of dust.
Nature:
- 6-methyl isatin is a red crystalline powder, soluble in water and organic solvents, as an acidic solution.
-It is red under acidic conditions and purple under alkaline conditions.
Use:
- 6-methyl isatin is a commonly used pigment and dye, which is widely used in cosmetics, food, medicine and textiles.
-It is often used to add red to cosmetics such as lipstick, nail polish, eye shadow and blush.
-In the food industry, it is used as a coloring agent for fruit juices and foods such as strawberries, cherries and tomatoes.
- 6-methyl isatin is also used for dyeing and printing textiles, giving it a bright red color.
Preparation Method:
The preparation method of -6-methyl isatin is more complicated and is usually achieved by chemical synthesis. One of the common preparation methods is that the amino group of isatin is reacted with p-toluic anhydride to obtain 6-methylisatin.
Safety Information:
-6-Methylisatin is generally considered safe and complies with food and cosmetic regulations and standards.
-However, sensitive people may be allergic to it, and allergy testing should be performed before use.
-When using cosmetics, care should be taken to avoid contact with eyes and mouth.
-Wear appropriate protective gloves and face mask when handling the substance to avoid inhalation of dust.
Last Update：2024-04-09 20:45:29
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CAS: 1128-47-8
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CAS: 1128-47-8
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Email: 3008007409@qq.com
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