Java Red A
Acid Red 142
CAS: 6406-66-2
Molecular Formula: C22H17N4NaO7S2
Java Red A - Names and Identifiers
| Name | Acid Red 142 |
| Synonyms | Red M Red 142 C.I.27000 Java Red A Acid Red M Acid Red 142 C.I.Acid Red 142 6-Hydroxy-5-[[4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt (5Z)-6-oxo-5-({4-[(E)-(4-sulfophenyl)diazenyl]phenyl}hydrazono)-5,6-dihydronaphthalene-2-sulfonic acid |
| CAS | 6406-66-2 |
| InChI | InChI=1/C22H16N4O7S2/c27-21-12-1-14-13-19(35(31,32)33)10-11-20(14)22(21)26-25-16-4-2-15(3-5-16)23-24-17-6-8-18(9-7-17)34(28,29)30/h1-13,25H,(H,28,29,30)(H,31,32,33)/b24-23+,26-22- |
Java Red A - Physico-chemical Properties
| Molecular Formula | C22H17N4NaO7S2 |
| Molar Mass | 536.51 |
| Density | 1.58g/cm3 |
| Refractive Index | 1.721 |
Java Red A - Introduction
Acid Red 142(Acid Red 142), also known as Pisser Red 7B, is a synthetic organic dye. The following is a description of the nature, use, preparation and safety information of this dye:
Nature:
- Acid Red 142 is a red powdery solid with good solubility in water.
-It belongs to acid dyes and can be combined with anionic dyes to form salts.
- Acid Red 142 appears red under weakly acidic or neutral conditions, and yellow under alkaline conditions.
Use:
- Acid Red 142 is widely used in textile, leather, pulp, printing and dyeing industries.
-It can be used for dyeing fibers, silk, wool, cotton textiles, etc.
- Acid Red 142 can also be used as an indicator and food dye.
Preparation Method:
- Acid Red 142 can be prepared by standard methods for the synthesis of organic dyes.
-The specific preparation method involves a complex chemical synthesis process, which usually requires the regulation of affinity and reaction conditions.
Safety Information:
- Acid Red 142 is considered a relatively safe chemical. However, as a dye, it is still necessary to pay attention to safety during operation.
-Avoid direct contact with the dye to the skin and eyes during operation to avoid irritation or damage.
-When using Acid Red 142, care should be taken to comply with relevant safety procedures and avoid inhalation or ingestion of the chemical.
Nature:
- Acid Red 142 is a red powdery solid with good solubility in water.
-It belongs to acid dyes and can be combined with anionic dyes to form salts.
- Acid Red 142 appears red under weakly acidic or neutral conditions, and yellow under alkaline conditions.
Use:
- Acid Red 142 is widely used in textile, leather, pulp, printing and dyeing industries.
-It can be used for dyeing fibers, silk, wool, cotton textiles, etc.
- Acid Red 142 can also be used as an indicator and food dye.
Preparation Method:
- Acid Red 142 can be prepared by standard methods for the synthesis of organic dyes.
-The specific preparation method involves a complex chemical synthesis process, which usually requires the regulation of affinity and reaction conditions.
Safety Information:
- Acid Red 142 is considered a relatively safe chemical. However, as a dye, it is still necessary to pay attention to safety during operation.
-Avoid direct contact with the dye to the skin and eyes during operation to avoid irritation or damage.
-When using Acid Red 142, care should be taken to comply with relevant safety procedures and avoid inhalation or ingestion of the chemical.
Last Update：2024-04-09 02:00:47
