Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
1. Basic Product Profile
- Full IUPAC Name: 8-bromonaphthalen-1-amine
- Aliases: 1-Amino-8-bromonaphthalene, 8-Bromo-1-naphthylamine
- CAS Number: 62456-34-2
- EINECS: N/A
- Molecular Formula: C10H8BrN
- Molecular Weight: 222.08
- Chemical Classification: Halogenated naphthalene aromatic amine intermediate, optoelectronic coupling building block
- Core Advantages
Disubstituted naphthalene with reactive amino and aryl bromide groups. Supports Suzuki, Buchwald-Hartwig, Sonogashira cross-coupling reactions for constructing extended conjugated systems. Widely applied in synthesis of organic luminescent materials, fluorescent probes, dye intermediates and pharmaceutical heterocyclic compounds.
2. Physical & Chemical Properties
2.1 Physical Index
- Appearance: Off-white to light tan crystalline powder
- Odor: Mild aromatic amine odor
- Solubility: Soluble in THF, DCM, toluene, ethanol, DMF; slightly soluble in methanol; insoluble in water and aliphatic alkanes
- Melting Point: 72–76 °C
- Hygroscopy: Slightly hygroscopic under high humidity
- Crystal Feature: Fine crystals with good solubility in anhydrous coupling solvents
2.2 Chemical Properties
- Amino (-NH2): Amidation, diazotization, N-arylation, imine condensation
- C-Br bond: Palladium-catalyzed cross-coupling to introduce aryl, alkyl, heteroaryl substituents
- Acid & Alkali Stability: Stable under neutral and weak alkaline conditions; amino protonates in dilute acid to form soluble ammonium salt
- Thermal Stability: Stable below 180 °C; slow sublimation above melting point without severe decomposition
- Photostability: Sensitive to strong UV light; long-term illumination causes darkening
- Compatibility: Compatible with anhydrous organic solvents and palladium catalysts; incompatible with strong oxidants, concentrated mineral acids
3. Main Application Fields
3.1 Organic Optoelectronic Intermediate (Core Usage)
Key raw material for synthesizing naphthalene-based fluorescent dyes, OLED hole transport materials and organic semiconductor small molecules via cross-coupling derivatization.
3.2 Dye & Pigment Precursor
Diazotizable naphthylamine building block for azo dye synthesis with high color fastness.
3.3 Synthetic Chemistry Research Reagent
Standard brominated naphthalene amine substrate for transition metal catalytic coupling research in chemical laboratories.
4. Quality Specification Table
| Test Item | Standard Index |
| CAS No. | 62456-34-2 |
| Molecular Formula | C10H8BrN |
| Molecular Weight | 222.08 |
| Appearance | Off-white to light tan crystalline powder |
| Melting Range | 72–76 °C |
| HPLC Purity | Synthesis Grade ≥98.0%; Electronic Grade ≥99.0% |
| Single Maximum Unknown Impurity | ≤0.10% |
| Total Related Substances | ≤0.50% |
| Moisture Content (KF) | ≤0.20% |
| Heavy Metals (Pb) | ≤10 ppm |
| Residue on Ignition | ≤0.10% |
| Bulk Package | 25kg light-proof aluminum foil lined fiber drum |
| Sample Package | 10g / 100g / 1kg sealed light-proof aluminum foil bag |
| Storage Requirements | Hermetic, light-proof cool dry warehouse ≤25℃; isolate humid air, intense light and oxidants |
| Transportation Rule | Aromatic bromoamine intermediate; light-proof waterproof packaging mandatory during transit |
| Shelf Life | 24 months under intact light-proof sealed packaging |
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