2-Methyl-4-nitroaniline CAS 99-52-5
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4-Chloro-2-nitroaniline CAS 89-63-4
4-Chloro-2-nitroaniline is an organic chemical compound used primarily as an intermediate in the synthesis of dyes, pigments, and other chemical products.
4-Chloro-2-nitroaniline CAS 89-63-4
- CAS: 89-63-4
- Molecular Formula: C6H5ClN2O2
- Molecular Weight: 172.57
- EINECS: 201-925-4
- HS Code: 29214210
- Synonyms: fastred2ncsalt; redbase3gl; redbasecibavi; redbaseirgavi; redsaltcibavi; redsaltnbgl; Sanyo Fast Red Salt 3GL; sanyofastredsalt3gl
What is 4-Chloro-2-nitroaniline CAS 89-63-4?
4-Chloro-2-nitroaniline CAS 89-63-4 is a yellow-orange crystalline aromatic amine. It is sparingly soluble in water but dissolves in organic solvents like ethanol and acetone, and is synthesized via nitration and chlorination of aniline derivatives. Due to its toxicity and irritant properties, 4-Chloro-2-nitroaniline requires careful handling with safety precautions in industrial applications.
Specifications
| Property | Value |
|---|---|
| Melting Point | 117-119 °C(lit.) |
| Boiling Point | 200°C (rough estimate)/td> |
| Density | 1.37 |
| Color | Orange |
| Form | Crystalline Powder or Chunks |
| pka | pK1: 1.10(+1) (25°C) |
| PH | 7 (0.5g/l, H2O, 20℃) |
| Storage Temperature | Room temp |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
Features
- Chemical Structure: Contains a benzene ring with a chlorine atom, nitro group, and amino group, making it highly reactive for organic synthesis.
- Physical Properties: Appears as a yellow-orange crystalline solid with a melting point of approximately 115–118°C and low water solubility.
- Reactivity: The nitro and chlorine groups enhance its electrophilicity, facilitating nucleophilic aromatic substitution reactions.
- Stability: Stable under standard conditions but requires careful handling due to potential decomposition under extreme heat or in the presence of strong acids/bases.
- Toxicity: Potentially hazardous, with risks of skin and respiratory irritation, necessitating proper protective equipment during handling.
Applications
- Dye and Pigment Industry: 4-Chloro-2-nitroaniline is widely used as an intermediate in the production of azo dyes and pigments, which are essential for coloring textiles, plastics, and coatings.
- Pharmaceutical Synthesis: It serves as a building block in the synthesis of certain pharmaceutical compounds, particularly those requiring chlorinated nitroaromatic structures.
- Agrochemicals: The compound is used in the production of herbicides, pesticides, and other agrochemical products due to its reactive functional groups.
- Chemical Research: It is employed in laboratories for developing new organic compounds and studying reaction mechanisms involving aromatic amines.
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