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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.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2005
Total Annual:
4500000-5000000
Employee Number:
120~200
Ecer Certification：
Verified Supplier
Riel Chemicals – Leading Enterprise in Basic Chemical Manufacturing
Who we are ?
Established in 2005 and headquartered in Weifang City, Shandong Province—a hub of China’s chemical industry—Riel Chemicals is a national high-tech enterprise specializing in the R&D, product... Riel Chemicals – Leading Enterprise in Basic Chemical Manufacturing
Who we are ?
Established in 2005 and headquartered in Weifang City, Shandong Province—a hub of China’s chemical industry—Riel Chemicals is a national high-tech enterprise specializing in the R&D, product...
