Benzimidazole
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Category：Agrochemicals Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Benzimidazole (CAS No. 51-17-2)
1. Basic Information
- IUPAC Name: 1H-Benzimidazole
- Synonyms:
- Benziminazole
- Azindole
- CAS Number: 51-17-2
- Molecular Formula: C₇H₆N₂
- Molecular Weight: 118.14 g/mol
- Appearance: White to off-white crystalline powder
- Odor: Slight aromatic odor
2. Physical and Chemical Properties
| Property | Value |
|---|---|
| Melting Point | 170–172°C (338–342°F) |
| Boiling Point | >360°C (dec.) |
| Density | 1.24 g/cm³ (20°C) |
| Solubility | – Water: Slightly soluble (1.7 g/L at 25°C) |
| – Organic solvents: Soluble in ethanol, methanol, DMSO | |
| pKa | 5.53 (basic), 12.8 (acidic) |
| Refractive Index | 1.600 (20°C) |
3. Chemical Structure
N
// \\
C C
| |
C---N
\\ //
C=C
(Fused benzene and imidazole rings)
4. Hazards (GHS Classification)
- Health Hazards:
- Harmful if swallowed (H302)
- Causes skin irritation (H315)
- Causes serious eye irritation (H319)
- Environmental: Not classified
- NFPA Rating: Health 2, Flammability 1, Reactivity 0
5. Storage and Handling
- Storage:
- Keep in tightly sealed containers
- Store in a cool, dry, well-ventilated area
- Handling:
- Use nitrile gloves and safety goggles
- Avoid dust formation
6. Applications
- Pharmaceuticals:
- Core structure for anthelmintics (e.g., albendazole)
- Antifungal and antiviral agents
- Agrochemicals:
- Fungicides (e.g., carbendazim)
- Industrial Uses:
- Corrosion inhibitor
- Polymer stabilizer
Disclaimer:
The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.
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