Ninety Nine Percent 25kg Thiocarbamide For Petrochemical Industry
Product Specifications
CAS | 62-56-6 |
EINECS | 200-543-5 |
Appearance | White glossy crystal |
Crystalline hydrate | Water free |
Available port | Qingdao Port, Tianjin Port, Shanghai Port, Lianyungang Port, Fujian Port, Guangzhou Port |
Life span | Two years |
Density | 1.41 g/cm³ |
Molecular weight | 76.121 |
Refractive index | 1.654 |
Product Description
Thiourea 99% (CS(NH2)2) is a high-purity chemical compound primarily used in the petrochemical industry. This dangerous chemical appears as white crystalline powder with excellent solubility properties.
Physical and Chemical Properties
- Appearance: White or light yellow crystalline powder, glossy
- Molecular weight: 76.12 g/mol
- Density: 1.405 g/cm³ (20°C)
- Melting point: 176-178°C (decomposition)
- Solubility: Soluble in water (13.7g/100mL at 20°C), slightly soluble in ethanol
- Chemical Safety: Class 6.1 toxic substance
Production Standard (GB/8218-2018)
No. | Test Item | Standard Value |
1 | Thiourea content (%) ≥ | 99.0 |
2 | Heating interval (%) ≤ | 0.35 |
3 | Chemical moisture (%) ≤ | 0.01 |
4 | Water insoluble (%) ≤ | 0.02 |
5 | Thiocyanate (CNS) (%) ≤ | 0.02 |
6 | Melting point (°C) | 171 |
Chemical Properties
- Acid-base: Weakly basic, forms salts with acids
- Reducibility: Can be oxidized by strong oxidants
- Complexation: Forms complexes with metal ions (Ag+, Au+, Cu²+)
- Thermal stability: Decomposes above melting point
- Hydrolysis: Forms urea and hydrogen sulfide under acidic/alkaline conditions
Industrial Applications
1. Metal Processing and Surface Treatment
- Electroplating brightener for silver, gold, and copper
- Chemical polishing agent for metal surfaces
- Corrosion inhibitor in metal pickling processes
2. Precious Metals Extraction
- Environmentally friendly alternative to cyanide for gold/silver leaching
- Metal separation and purification through complex formation
3. Chemical Synthesis
- Pharmaceutical intermediate for anti-thyroid and anticancer drugs
- Pesticide and herbicide synthesis
- Dye and pigment production
- Organic reaction catalyst
4. Other Key Applications
- Rubber vulcanization accelerator
- Textile dyeing and printing aid
- Heavy metal removal in wastewater treatment
- Photography developer component
- Battery material and semiconductor processing
Product Advantages
- Technology: Proprietary synthesis technology and R&D focus
- Quality: ISO-certified production with strict quality control
- Customization: Formula adjustments for specific applications
- Sustainability: Green production processes and low-toxicity materials
- Supply: Stable production capacity and technical support
Frequently Asked Questions
What is your payment term?
We accept T/T and L/C at sight payments.
Are you able to deliver on time?
Yes, we guarantee timely delivery while maintaining top product quality.
Do you provide free samples?
Free samples are available; customers only need to cover express fees.
Can you offer competitive pricing?
We provide the most competitive market prices with flexible negotiation options.
Can I visit your factory in China?
Visitors are welcome at our Weifang facility with airport pickup/dropoff service.
What if there are quality issues?
Our professional after-sales team promptly resolves any quality concerns.