Water Free Cas 62-56-6 99% Thiourea For Chemical Plating Electroplating
Product Specifications
Attribute | Value |
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 |
Acid-basicity | Alkalescence |
Product Description
Thiourea 99% (CS(NH2)2) is a dangerous chemical with various industrial applications, particularly in chemical plating and electroplating processes.
Physical and Chemical Properties
- Appearance: White crystal powder
- Density: 1.405 g/cm³
- Molecular weight: 76.12 g/mol
- Melting point: 171-175°C
- Boiling point: 349 to 352°F (NTP, 1992)
Production Standard (GB/8218-2018)
No. | Items for detecting and analyzing | Standard value |
1 | Thiourea (CS(NH2)2) %≥ | 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 (centigrade) | 171°C |
Applications in Chemical Industry
1. Metal Processing and Surface Treatment
- Plating additive for silver, gold and copper plating to improve gloss and adhesion
- Chemical polishing of metal surfaces to improve finish
- Corrosion inhibitor in metal pickling processes
2. Precious Metals Extraction and Recovery
- Environmentally friendly alternative to cyanide for gold and silver leaching
- Metal separation and purification through complex formation
3. Chemical Synthesis and Catalysis
- Raw material for anti-thyroid and anticancer drugs
- Preparation of pesticides, insecticides, and herbicides
- Catalyst in organic reactions to improve efficiency
4. Rubber and Plastics Industry
- Vulcanization accelerator for improved rubber properties
- Plastic modifier for enhanced heat resistance and aging resistance
Frequently Asked Questions
1. What is your payment term?
We accept T/T and L/C at sight as payment terms.
2. Are you able to deliver on time?
Yes, we specialize in this product line and guarantee timely delivery while maintaining top quality.
3. Do you provide free sample?
Yes, we provide free samples with the customer responsible for express fees.
4. How about the price? Can you make it cheaper?
We offer competitive pricing and are open to negotiation based on order quantity and conditions.
5. Can I visit your company and factory in China?
Yes, we welcome visits to our facility in Weifang, China, with airport pickup service available.
6. What if there is a quality problem?
Our professional after-sales team promptly addresses all quality concerns.