Tetramethylthiourea (CAS 2782-91-4): Comprehensive User Guide
Table of Contents
1. Product Overview & Key Specifications
Basic Chemical Properties
Tetramethylthiourea (C5H12N2S), CAS 2782-91-4, is a sulfur-containing organic compound with molecular weight 132.23 g/mol. Appearance: White to pale yellow crystalline powder.
Technical Parameters Comparison
| Parameter | Industrial Grade | Pharmaceutical Grade |
|---|---|---|
| Purity | ≥98% | ≥99.5% |
| Melting Point | 148-152°C | 150-152°C |
| Solubility | Soluble in ethanol, acetone | Soluble in DMSO, chloroform |
2. Industrial Applications of Tetramethylthiourea
Rubber Industry
Acts as a critical vulcanization accelerator, improving tensile strength by 30-40% in nitrile rubber compounds.
Pharmaceutical Synthesis
Intermediate in production of antifungal agents and CNS-active compounds. Enables selective methylation in API synthesis.
3. Step-by-Step Usage Guidelines
Rubber Vulcanization Process
- Pre-mix with zinc oxide (0.5-1.5 phr ratio)
- Add during compounding phase at 80-100°C
- Maintain curing temperature at 150±5°C
4. Real-World Case Studies
Case 1: ABC Rubber Co., Ltd. (Guangzhou, China)
| Challenge | Inconsistent vulcanization rates in NBR seals |
|---|---|
| Solution | 0.8 phr Tetramethylthiourea + modified accelerator system |
| Result | 25% faster production cycle, 18% improvement in compression set |
Case 2: XYZ Pharma Solutions (Mumbai, India)
| Challenge | Low yield in antifungal drug intermediate synthesis |
|---|---|
| Solution | Used as catalyst (0.3 mol%) in methylation reaction |
| Result | Yield increased from 68% to 89%, reduced by-products |
5. Technical Inquiry & Ordering
Contact our technical team for:
- Custom purity specifications (98%-99.9%)
- Bulk pricing (25kg drum to tonnage quantities)
- MSDS & regulatory compliance documents
Email: info@vivalr.com
Tel: (86) 15866781826
Global shipping available with COA & batch tracking
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