1-Amino-7-naphthol
1-Amino-7-naphthol is a versatile organic compound widely used in dye synthesis, pharmaceutical intermediates, and other industrial applications. This high-purity chemical offers excellent stability and reactivity, making it a preferred choice for researchers and manufacturers.
Product Specifications
Physical & Chemical Properties
- Chemical Name: 1-Amino-7-naphthol
- CAS Number: 118-46-7
- Molecular Formula: C10H9NO
- Appearance: Light brown to gray crystalline powder
- Melting Point: 125-128°C
- Solubility: Soluble in hot water, ethanol, and ether
Technical Parameters
| Parameter | Specification |
|---|---|
| Purity (HPLC) | ≥98.5% |
| Moisture Content | ≤0.5% |
| Residue on Ignition | ≤0.1% |
| Heavy Metals (as Pb) | ≤10 ppm |
| Storage Temperature | 2-8°C |
Applications of 1-Amino-7-naphthol
1-Amino-7-naphthol serves as a crucial intermediate in various industrial processes:
- Manufacturing of azo dyes and pigments
- Pharmaceutical synthesis (antibiotics and antimalarials)
- Production of photographic chemicals
- Research and development in organic chemistry
Handling and Safety
| Aspect | Precaution |
|---|---|
| Personal Protection | Wear gloves, goggles, and lab coat |
| Storage | Keep in airtight container away from light |
| First Aid | Flush eyes/skin with water if contacted |
| Disposal | Follow local hazardous waste regulations |
1-Amino-7-naphthol FAQ
Q: What is the shelf life of 1-Amino-7-naphthol?
A: When stored properly in airtight containers at recommended temperatures (2-8°C), 1-Amino-7-naphthol typically maintains its quality for 24 months from the production date. Always check for discoloration or unusual odor before use in sensitive applications.
Q: Can 1-Amino-7-naphthol be used in pharmaceutical applications?
A: Yes, 1-Amino-7-naphthol serves as an important intermediate in pharmaceutical synthesis, particularly in the production of certain antibiotics and antimalarial drugs. However, pharmaceutical-grade material with higher purity standards (≥99.5%) is recommended for these applications.
Q: What distinguishes 1-Amino-7-naphthol from similar naphthol derivatives?
A: 1-Amino-7-naphthol offers unique reactivity due to the strategic placement of its amino and hydroxyl groups on the naphthalene ring. This molecular structure provides different coupling properties compared to other isomers, making it particularly valuable for creating specific dye molecules and complex organic compounds.
Packaging Options
- 25g glass bottle (laboratory use)
- 100g plastic container (small-scale production)
- 1kg aluminum foil bag (industrial use)
- 5kg, 25kg fiber drums (bulk quantities)
Quality Assurance
Our 1-Amino-7-naphthol undergoes rigorous quality control:
- Batch-to-batch consistency testing
- Third-party analytical verification
- Complete documentation including CoA
- Strict GMP compliance
For specialized requirements, customized purification and packaging options are available upon request to meet specific application needs.