5-Amino-1,2,3-thiadiazole
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Category：Agrochemicals Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
5-Amino-1,2,3-thiadiazole (CAS No. 4005-51-0)
1. Basic Information
- IUPAC Name: 5-Amino-1,2,3-thiadiazole
- Synonyms:
- 5-ATD
- 1,2,3-Thiadiazol-5-amine
- CAS Number: 4005-51-0
- Molecular Formula: C₂H₃N₃S
- Molecular Weight: 101.13 g/mol
- Appearance: White to pale yellow crystalline powder
- Odor: Slight sulfurous odor
2. Physical and Chemical Properties
| Property | Value |
|---|---|
| Melting Point | 90–92°C (194–198°F) |
| Boiling Point | Decomposes before boiling |
| Solubility | – Water: Partially soluble |
| – Organic solvents: Soluble in ethanol, methanol, DMSO | |
| pKa | ~4.5 (amino group) |
| Log Pow | 0.2 (octanol/water) |
3. Chemical Structure
N
// \\
S N
\\ /
C-NH₂
4. Hazards (GHS Classification)
- Health Hazards:
- Harmful if swallowed (H302)
- Causes skin irritation (H315)
- Causes serious eye irritation (H319)
- Environmental: Toxic to aquatic life (H411)
- NFPA Rating: Health 2, Flammability 1, Reactivity 1
5. Storage and Handling
- Storage:
- Keep in tightly sealed amber containers
- Store in a cool, dry, well-ventilated area
- Handling:
- Use nitrile gloves, safety goggles, and a fume hood
- Avoid dust formation
6. Applications
- Pharmaceuticals:
- Intermediate for antiviral and anticancer drugs
- Agrochemicals:
- Building block for fungicides and herbicides
- Organic Synthesis:
- Precursor for heterocyclic compounds (e.g., triazoles)
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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