Specifications
Brand Name :
Riel Chemical
Model Number :
99%
Certification :
SGS, ISO9001, CE
Place of Origin :
Weifang
MOQ :
1 ton
Price :
USD 900~1100 FOB
Payment Terms :
T/T , L/C
Supply Ability :
50 tons per day
Delivery Time :
3~5 work day
Packaging Details :
25 kg polyethylene woven bag, moisture-proof, easy to transport
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
Description
CAS 62566 Chemical Materials Thiourea For Electroplating Silver Plating
Product Specifications
CAS62-56-6
EINECS200-543-5
AppearanceWhite glossy crystal
Crystalline hydrateWater-free
Available portQingdao Port, Tianjin Port, Shanghai Port, Lianyungang Port, Fujian Port, Guangzhou Port
Life spanTwo years
Density1.41 g/cm³
Molecular weight76.121
Refractive index1.654
Product Description

Thiourea (99% purity, CS(NH2)2) is classified as a dangerous chemical with the following properties:

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: 349-352°F (NTP, 1992)
Production Standard (GB/8218-2018)
No.Test ItemStandard Value
1Thiourea (CS(NH2)2) % ≥99.0
2Heating interval % ≤0.35
3Chemical moisture % ≤0.01
4Water insoluble % ≤0.02
5Thiocyanate (CNS) % ≤0.02
6Melting point (°C)171
Chemical Materials Thiourea Powder For Electroplating Silver Plating
Detailed Chemical Properties
  • Molecular weight: 76.12 g/mol
  • Appearance: White or light yellow crystalline powder, glossy
  • Odor: Odorless or slight sulphide odor
  • Density: 1.405 g/cm³ (20°C)
  • Melting point: 176-178°C (decomposition)
  • Chemical Safety: Class 6.1 toxic substances
  • Solubility: Water (13.7g/100mL at 20°C), slightly soluble in ethanol
  • Acid-base properties: Weakly basic, forms salts with acids
  • Reducibility: Can be oxidized by oxidants
  • Complexation: Forms complexes with metal ions (Ag+, Au+, Cu²+)
  • Thermal stability: Decomposes above melting point
  • Hydrolysis: Produces urea and hydrogen sulfide under acidic/alkaline conditions
Chemical Materials Thiourea Powder For Electroplating Silver Plating Chemical Materials Thiourea Powder For Electroplating Silver Plating
Industrial Applications of Thiourea
1. Metal Processing and Surface Treatment
  • Electroplating additive for silver, gold, and copper plating
  • Metal surface polishing agent
  • Corrosion inhibitor in metal pickling processes
2. Precious Metals Extraction and Recovery
  • Gold and silver leaching from ores and electronic waste
  • Metal separation and purification through complex formation
3. Chemical Synthesis and Catalysis
  • Pharmaceutical intermediates (anti-thyroid and anticancer drugs)
  • Pesticide synthesis (insecticides, fungicides, herbicides)
  • Dye and pigment production
  • Organic reaction catalyst
4. Rubber and Plastics Industry
  • Rubber vulcanization accelerator
  • Plastic modifier for improved heat resistance and aging properties
5. Textile and Printing Industry
  • Dyeing aid for improved color fastness
  • Printing aid for better fiber adhesion
6. Environmental Protection and Water Treatment
  • Heavy metal removal from industrial wastewater
  • Boiler water deoxidizer
7. Photography and Imaging Industry
  • Photographic developer component
  • Developer stabilizer
8. Laboratory and Scientific Research
  • Analytical reagent for metal detection
  • Masking agent in chemical analysis
9. New Energy and Electronics Industry
  • Battery material for lithium-sulfur batteries
  • Semiconductor processing aid
10. Other Special Applications
  • Synthetic resin modification
  • Antioxidant for chemical protection
Chemical Materials Thiourea Powder For Electroplating Silver Plating Chemical Materials Thiourea Powder For Electroplating Silver Plating
Riel Chemical Product Advantages
1. High Quality and Reliability
  • Strict quality control throughout production
  • ISO, REACH, RoHS certified
  • Consistent batch-to-batch performance
2. Technological Innovation and R&D Capability
  • Experienced R&D team
  • Customized solutions for specific needs
  • Continuous product innovation
3. Environmental Protection and Sustainability
  • Eco-friendly production processes
  • Low-toxicity, biodegradable products
  • Resource recovery and reuse programs
4. Wide Range of Applications
  • Diverse product line for multiple industries
  • Applications in construction, automotive, electronics, textiles, medicine, and agriculture
5. Excellent Customer Service
  • Comprehensive technical support
  • Rapid response customer service
  • Global service network
6. Cost-Effectiveness and Competitiveness
  • Competitive pricing
  • Long-term cooperation benefits
7. Global Supply Chain and Logistics
  • Stable raw material supply
  • Efficient global logistics
  • Worldwide production and distribution
8. Brand Reputation and Market Recognition
  • Strong industry reputation
  • Trusted by global enterprises
  • Market leadership in multiple segments
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 maintain strict delivery schedules while ensuring top quality.

3. Do you provide free samples?

Yes, we provide free samples with the customer responsible for express shipping costs.

4. How about the price? Can you make it cheaper?

We prioritize customer value and offer competitive, negotiable pricing based on order specifics.

5. Can I visit your company and factory in China?

Yes, we welcome visits to our Weifang facility and provide airport transportation assistance.

6. What if there is a quality problem?

Our professional after-sales team promptly addresses all quality concerns.

Send your message to this supplier
Send Now

Chemical Materials Thiourea Powder For Electroplating Silver Plating

Ask Latest Price
Brand Name :
Riel Chemical
Model Number :
99%
Certification :
SGS, ISO9001, CE
Place of Origin :
Weifang
MOQ :
1 ton
Price :
USD 900~1100 FOB
Contact Supplier
Chemical Materials Thiourea Powder For Electroplating Silver Plating
Chemical Materials Thiourea Powder For Electroplating Silver Plating
Chemical Materials Thiourea Powder For Electroplating Silver Plating

Riel Chemical Co., Ltd.

Verified Supplier
1 Years
shandong, weifang
Since 2005
Business Type :
Manufacturer, Exporter
Total Annual :
4500000-5000000
Employee Number :
120~200
Certification Level :
Verified Supplier
Contact Supplier
Submit Requirement